Date: November 17, 2017 Project No.:

Transcription

1 ate: November, 0 Project No.: -- For: Mr. James Wilson UTRA ENTERPRISES, INC 0 Mission Boulevard, Suite 0 Fremont, California ear Mr. Wilson: Re: Additional Soil Quality Evaluation anville Boulevard Alamo, California 0 We are pleased to present this letter summarizing analytical results of additional soil samples collected at anville Boulevard in Alamo, California (Site) (Figures and ). This work was performed for utra Land & Consulting Services, Inc. (utra) in accordance with our October, 0 Agreement (Agreement). SITE ESCRIPTION A BACKGROU We understand that utra is assisting the owners of the approximately.-acre property with entitlements for residential development. The property is currently occupied by four residential structures and two detached garages/sheds. Based on information reviewed for the preparation of the Phase I Environmental Site Assessment (ESA) (Cornerstone Earth Group [Cornerstone], 0), the property historically was occupied by an orchard. Cornerstone performed a preliminary soil quality evaluation to determine if the historic agricultural use impacted soil quality. Additionally, Cornerstone collected soil samples adjacent to the existing buildings to determine if past termiticide spraying (if applied) and/or weathering of lead paint (if present) impacted the shallow soil quality. Laboratory analyses of soil samples collected from former orchard areas (SS- through SS-; see Figure ) did not detect OCPs, lead or mercury exceeding residential screening criteria. Arsenic was detected in of samples at or above the published background ( milligrams per kilogram [mg/kg]), with a maximum concentration of mg/kg detected. Additional sampling was recommended to evaluate the lateral and vertical extent of arsenic in the former orchard area. Laboratory analyses of soil samples collected adjacent to structures (SS- through SS-) detected lead ( of samples), arsenic ( of samples), chlordane ( of samples) and dieldrin ( of samples) exceeding residential screening levels. Concentrations of total lead detected (up to 0 mg/kg) are less than the California hazardous waste limit of,000 mg/kg, but likely exceed the soluble (STLC) limit for California hazardous waste. Chlordane exceeded the TTLC of. mg/kg in two samples. The OCPs and lead detected may be associated with termiticide spraying around the structures and weathering of lead paint, respectively. Additional soil

2 sampling was recommended to evaluate the lateral and vertical extent of lead contaminated soil around the buildings. PURPOSE The purpose of this investigation is to document the quality of soil in the upper approximately. feet around existing structures and the upper approximately feet within the open field areas. SOIL SAMPLING On October, 0, our staff geologist used hand sampling equipment to collect soil samples from the upper ½ foot of material and between to ½ feet. Eighteen locations (SS- through SS-) were collected from both the upper ½ foot of material, and from the approximate depths of to ½ feet. Ten previous locations (SS- through SS-) were also sampled at an approximate depth of to ½ feet. The samples collected from around the existing structures ( samples) were analyzed at a state-certified laboratory for lead (EPA Test Method 0) and organochlorine pesticides (OCPs) (EPA Test Method 0A). The samples collected from the open field areas were analyzed for a variety of parameters including organochloride pesticides (OCPs) (EPA Test Method 0) and arsenic (EPA Test Method 0). Based on the results from the soil samples collected in the open field areas on October, additional sampling was recommended to evaluate the vertical extent of elevated arsenic concentrations detected. On November, 0, our staff geologist used hand sampling equipment to collect soil samples from between ½ to feet in the open field areas. Five locations (SS-, SS-, SS-, SS-, and SS-) were obtained by manually pushing or filling with decontaminated hand tools a ½- diameter by -inch stainless steel sampling tube into freshly exposed soil. The ends of the liners were covered in Teflon film, fitted with plastic end caps, taped, and labeled with a unique identification number. Samples were then placed in an ice-chilled cooler and transported to a state-certified analytical laboratory (Test America Laboratories, Inc.) with chain of custody documentation. The five samples c were analyzed for arsenic (EPA Test Method 0). ANALYTICAL RESULTS etected compounds are presented in Table (OCPs and Metals). Chain of custody documentation and laboratory analytical reports are presented in Attachment A. The results were compared to the residential screening levels (TSC-SL) recommended in the TSC Office of Human and Ecological Risk (HERO) guidance document Human Health Risk Assessment Note (0). For parameters and compounds where no TSC-SLs are established, the detected compounds were compared to the residential Regional Screening Levels (RSLs) established by the USEPA Region (USEPA, June 0) using a Hazard Quotient (HQ) of. Arsenic concentrations were compared to their published background ranges. The screening levels and background concentrations used are provided in the attached tables. The total concentrations of T and chlordane detected were also compared to the Total Threshold Limit Concentration (TTLC) values for determination of a non-resource Conservation and Recovery Act (RCRA) (California) hazardous waste. anville Boulevard -- Page

3 A summary of the analytical results is provided below. Alpha-chlordane, gamma-chlordane, T, E and Total T were detected in the soil samples below their respective residential screening criteria. Lead was detected in of samples at concentrations ranging from mg/kg to 0 mg/kg. Six of the samples collected in the to ½ interval exceeded the residential TSC-SL for lead 0 mg/kg. Arsenic was detected in of samples at concentrations ranging from. mg/kg to 0 mg/kg. The residential RSL for arsenic is 0. mg/kg. The published background concentration for arsenic is mg/kg (uverge, 0). Laboratory analyses of five soil samples collected from a depth of approximately ½ to feet detected arsenic at a maximum concentration of mg/kg. Concentrations of dieldrin exceeded the residential screening level in samples (SS- and SS-). The RSL value for dieldrin is 0.0 mg/kg. The remaining metal and pesticide concentrations were detected either below screening levels or appear to be generally consistent with published background/ambient conditions. CONCLUSIONS Building Perimeters Soil around structures can become contaminated by lead from deteriorating lead-based paint, and from pesticides as a result of termiticide spraying. Laboratory analyses of samples collected around the buildings detected elevated concentrations of lead in the surface samples, with generally lower concentrations at a depth of approximately to ½ feet. Concentrations were still elevated at a depth of to ½ feet at of the sample locations. Concentrations also appeared to decrease with distance away from the building. Based on the results, the upper approximately to feet of soil around the buildings should be removed for appropriate off-site disposal. Based on the concentrations of total lead detected, some of this soil could require disposal as a California hazardous waste. Former Orchard Areas Based on our review of historical aerial photographs, the property was occupied by an orchard as early as. Laboratory analyses of soil samples collected from the southern portion of the property (south of the garage and residence) (samples SS-, SS-, SS-, SS-, SS-, SS-, SS- and SS-) detected concentrations of arsenic significantly above the typical background levels ( mg/kg). Up to 0 mg/kg arsenic was detected, and concentrations were higher at a depth of approximately to ½ feet at most of the locations sampled. Concentrations of arsenic detected in samples collected from a depth of approximately ½ to feet were below the typical background levels ( mg/kg). Naturally occurring background concentrations of metals, such as arsenic - amongst others, in soil may exceed their respective screening levels. Cal/EPA generally does not require cleanup of soil to below background concentrations. This issue is frequently encountered with arsenic. Thus, for arsenic, these data also were compared to regional background levels (Scott, and uverge, 0). anville Boulevard -- Page

4 We recommend removal of soil exceeding residential screening levels and, for arsenic, background levels prior to developing the Site. We additionally recommend engaging a regulatory agency for oversight of the soil removal activities. LIMITATIONS This letter, an instrument of professional service, was prepared for the sole use of utra Enterprises, Inc. and may not be reproduced or distributed without written authorization from Cornerstone. The chemical data presented in this report may change over time and are only valid for this time and location. utra Enterprises, Inc. understands that Cornerstone reviewed and relied on the information presented in these reports and cannot be responsible for their accuracy. Cornerstone makes no warranty, expressed or implied, except that our services have been performed in accordance with the environmental principles generally accepted at this time and location. CLOSING Should you have any questions regarding this letter, or if we may be of further service, please contact us at your convenience. Sincerely, Cornerstone Earth Group, Inc. Peter Langtry, P.G., C.E.G Senior Principal Geologist Attachments: Copies: Figures ata Summary Table Attachment A. Laboratory ata Sheets Addressee ( by ) anville Boulevard -- Page

5 REFERENCES Cornerstone Earth Group. September, 0. Phase I Environmental Site Assessment, anville Boulevard, Alamo, California uverge, ylan Jacques. ecember 0. Establishing Background Arsenic in Soil of the Urbanized San Francisco Bay Region. U.S. EPA. Revised June 0. Regional Screening Level (RSL) Summary Table. anville Boulevard -- Page

6 SITE N Vicinity Map Project Number -- anville Boulevard Alamo, CA Figure Number Figure ate rawn By October 0 RRN

7 --- Not Medlyn Lane SS- Third Residence SS- SS- Main Residence SS- Shipping containers SS- SS- Garage SS- Second Residence and attached garage SS- //0 epth (ft) Arsenic Lead 0 to ½ -- to ½ -- SS- SS- Sheds and Garage SS- //0 epth (ft) Arsenic Lead 0 to ½ //0 to ½ -- //0 ½ to. --- SS- SS- //0 epth (ft) Arsenic Lead 0 to ½ SS- //0 epth (ft) Arsenic Lead 0 to ½ --.0 to ½ --. SS- //0 epth (ft) Arsenic Lead 0 to ½ -- to ½ -- SS- SS- SS- SS- SS- SS- SS- Iron Horse Regional T rail SS- //0 epth (ft) Arsenic Lead 0 to ½ -- to ½ -- SS- SS- SS- SS- //0 epth (ft) Arsenic Lead 0 to ½ -- to ½ --0 SS- //0 epth (ft) Arsenic Lead 0 to ½ --00 to ½ -- SS- SS- Site Plan SS- anville Boulevard SS- SS- SS- //0 epth (ft) Arsenic Lead 0 to ½ to ½ SS- eodar Lane N Pangburn Lane //0 SS- //0 //0 SS- SS- //0 SS- epth (ft) Arsenic Lead epth (ft) Arsenic Lead epth (ft) Arsenic Lead epth (ft) Arsenic Lead. 0 to ½ --0 to ½ to ½ 0 0 to ½ to ½ --0 //0 to ½ to ½ --0 //0 to ½ -- ½ to --. //0 ½ to. --- SS- //0 SS- //0 //0 SS- epth (ft) Arsenic Lead epth (ft) Arsenic Lead epth (ft) Arsenic Lead 0 to ½ 0 to ½ -- 0 to ½ -- //0 to ½ to ½ to ½ 0 --//0 //0 ½ to --½ to. --- Legend Approximate location of soil sample (SS) Base by Google Earth, dated // APPROXIMATE SCALE (FEET) anville Boulevard Alamo, CA SS-0 Fourth Residence rawn By November 0 TSC - Recommended Screening Level (SL), HERO Note - January 0 ate ² Figure uverge, 0. Establishing Background Arsenic in Soil of the Urbanized San Francisco Bay Region -- ¹ BOL Concentration exceeds selected environmental screening criteria SS- SS- //0 epth (ft) Arsenic Lead 0 to ½. 0 //0 to ½ -- SS- //0 epth (ft) Arsenic Lead 0 to ½. 0 //0 to ½ -- Concentrations measured in mg/kg Approximate Site Boundary SS- //0 epth (ft) Arsenic Lead 0 to ½ -- to ½ -- SS- //0 epth (ft) Arsenic Lead 0 to ½. 0 //0 to ½ --0 SS- //0 epth (ft) Arsenic Lead 0 to ½ -- to ½ -- ¹ 0 ² Project Number SS- //0 epth (ft) Arsenic Lead 0 to ½ -- to ½ -- Arsenic Lead Figure Number SS- //0 SS- //0 SS- //0 //0 epth (ft) Arsenic Lead epth (ft) Arsenic Lead SS- //0 epth (ft) Arsenic Lead SS-0 //0 0 to ½ 0 to ½. SS- 0 epth (ft) Arsenic Lead 0 to ½ --. epth (ft) Arsenic Lead //0 epth (ft) Arsenic Lead 0 to ½ --. //0 0 to ½. to ½ to ½ -- to ½ to ½ -- to ½ to ½ --0 RRN Screening Levels Camille Avenue

8 ATA SUMMARY TABLE

9 Table. Analytical Results of Selected Soil Samples (Concentrations in mg/kg) Sample I ate epth (feet) Arsenic Lead Mercury, -, -E, -T T Total alpha-chlordane gamma-chlordane Chlordane ieldrin Heptachlor Heptachlor epoxide Methoxychlor SS- (0-0.) //0 0-½. 0.0 < <0.00 <0.00 <0.00 <0.00 SS- (0-0.) //0 0-½ 0. <0.00 <0.00 <0.00 < <0.00 <0.00 <0.00 <0.00 SS- (0-0.) //0 0-½ <0.00 <0.00 <0.0 <0.00 <0.00 <0.00 <0.00 SS- (-.) //0 -½ <0.00 <0.00 <0.00 SS- (.-) //0 ½ SS- (0-0.) //0 0-½ <0.00 <0.00 <0.00 <0.00 SS- (-.) //0 -½ <0.00 < <0.00 <0.00 <0.00 SS- (.-) //0 ½ SS- (0-0.) //0 0-½ <0.00 <0.00 <0.0 <0.00 <0.00 <0.00 <0.00 SS- (-.) //0 -½ <0.0 <0.00 <0.00 <0.00 <0.00 SS- (.-) //0 ½ SS- (0-0.) //0 0-½ < <0.00 < <0.00 SS- (-.) //0 -½ < <0.00 <0.00 SS- (0-0.) //0 0-½ <0.0 < <0.0 SS- (-.) //0 -½ <0.0 <0.00 <0.00 <0.00 <0.00 SS- (0-0.) //0 0-½ < < <0.0 <0.0 <0.0 <0.0 SS- (-.) //0 -½ <0.00 <0.00 <0.00 <0.00 <0.00 <0.00 <0.0 <0.00 <0.00 <0.00 <0.00 SS- (0-0.) //0 0-½ < <0.00 <0.00 <0.00 SS- (-.) //0 -½ < <0.00 <0.00 <0.00 SS- (0-0.) //0 0-½ < <0.0 <0.0 <0.0 <0.0 SS- (-.) //0 -½ < <0.00 <0.00 <0.00 <0.00 SS- (0-0.) //0 0-½ <0.00 <0.00 <0.0 <0.00 <0.00 <0.00 <0.00 SS- (-.) //0 -½ <0.0 <0.00 <0.00 <0.00 <0.00 SS- (0-0.) //0 0-½ <0.00 <0.0 <0.00 <0.00 <0.00 <0.00 SS- (-.) //0 -½ <0.00 <0.00 <0.00 <0.00 SS- (.-) //0 ½ SS- (0-0.) //0 0-½ <0.00 <0.00 <0.00 <0.00 <0.00 <0.00 <0.0 <0.00 <0.00 <0.00 <0.00 SS- (-.) //0 -½ < <0.00 <0.00 <0.00 <0.00 SS- (.-) //0 ½ SS- (0-0.) //0 0-½ <0.0 <0.00 <0.00 <0.00 <0.00 SS- (-.) //0 -½ < <0.00 <0.00 <0.0 <0.00 <0.00 <0.00 <0.00 SS- (0-0.) //0 0-½ <0.00 <0.00 <0.00 SS- (-.) //0 -½ < < <0.0 <0.00 <0.00 <0.00 <0.00 SS- (0-0.) //0 0-½ <0.00 < <0.0 <0.00 <0.00 <0.00 <0.00 SS- (-.) //0 -½ <0.00 < <0.00 <0.00 <0.0 <0.00 <0.00 <0.00 <0.00 SS- (0-0.) //0 0-½ <0.00 <0.00 <0.0 <0.00 <0.00 <0.00 <0.00 SS- (-.) //0 -½ <0.00 <0.00 <0.0 <0.00 <0.00 <0.00 <0.00 SS- (0-0.) //0 0-½ <0.00 <0.00 < <0.00 <0.00 <0.00 SS- (-.) //0 -½ < <0.00 <0.00 <0.0 <0.00 <0.00 <0.00 <0.00 SS- (0-0.) //0 0-½ <0.00 <0.00 <0.00 SS- (-.) //0 -½ < < < < <0.00 <0.00 <0.00 SS-0 (0-0.) //0 0-½ <0.00 <0.00 <0.00 SS-0 (-.) //0 -½ <0.00 <0.00 <0.00 <0.00 <0.00 <0.00 <0.0 <0.00 <0.00 <0.00 <0.00 SS- (0-0.) //0 0-½ < < <0.00 <0.00 <0.0 <0.00 <0.00 <0.00 <0.00 SS- (-.) //0 -½ < <0.00 SS- (0-0.) //0 0-½ <0.00 < <0.00 SS- (-.) //0 -½ < <0.00 <0.00 <0.0 <0.00 <0.00 <0.00 <0.00 SS- (0-0.) //0 0-½ < <0.00 SS- (-.) //0 -½ <0.0 <0.00 <0.00 <0.00 <0.00 SS- (0-0.) //0 0-½ <0.00 <0.00 <0.00 <0.00 SS- (-.) //0 -½ <0.00 <0.00 <0.0 <0.00 <0.00 <0.00 <0.00 SS- (0-0.) //0 0-½ < <0.00 <0.00 <0.00 <0.00 SS- (-.) //0 -½ <0.00 <0.00 <0.00 <0.00 SS- (0-0.) //0 0-½ < <0.00 SS- (-.) //0 -½ <0.00 <0.0 <0.00 <0.00 <0.00 <0.00 SS- (0-0.) //0 0-½ < SS- (-.) //0 -½ < <0.00 < <0.00 SS- (0-0.) //0 0-½ <0.00 <0.00 <0.00 <0.00 SS- (-.) //0 -½ <0.0 <0.00 <0.00 <0.00 <0.00 Screening Criteria 0.. NE NE. / Basis BG TSC - SL TSC - SL RSL RSL RSL TTLC NE NE RSL / TTLC RSL RSL RSL RSL < NE --- BOL uverge, 0. Establishing Background Arsenic in Soil of the Urbanized San Francisco Bay Region. TSC - Recommended Screening Level (SL), HERO Note - June 0. Regional Screening Level (RSL), USEPA Region - June 0. Total Threshold Limit Concentration - California Code of Regualtions, Title. Not detected at or above laboratory reporting limit Not Established Not Concentration exceeds selected environmental screening criteria anville Blvd -- ata Tables Page

10 ATTACHMENT A SOIL ANALYTICAL ATASHEETS

11 ANALYTICAL REPORT TestAmerica Laboratories, Inc. 0 Quarry Lane Pleasanton, CA Tel: ()- TestAmerica Job I: 0-0- Client Project/Site: anville Blvd, Alamo For: Cornerstone Earth Group 0 Springbrook Road, Suite Walnut Creek, California Attn: Peter Langtry Authorized for release by: //0 :: PM Afsaneh Salimpour, Senior Project Manager ()- afsaneh.salimpour@testamericainc.com This report has been electronically signed and authorized by the signatory. Electronic signature is intended to be the legally binding equivalent of a traditionally handwritten signature. Results relate only to the items tested and the sample(s) as received by the laboratory.

12 Project/Site: anville Blvd, Alamo Table of Contents TestAmerica Job I: 0-0- Cover Page Table of Contents efinitions/glossary Case Narrative etection Summary Client Sample Results Surrogate Summary QC Sample Results QC Association Summary Lab Chronicle Certification Summary Method Summary Sample Summary Chain of Custody Receipt Checklists Page of //0

13 Project/Site: anville Blvd, Alamo efinitions/glossary TestAmerica Job I: 0-0- s GC Semi VOA p F F escription The %RP between the primary and confirmation column/detector is >0%. The lower value has been reported. MS/MS RP exceeds control limits MS and/or MS Recovery is outside acceptance limits. MS, MS: The analyte present in the original sample is greater than times the matrix spike concentration; therefore, control limits are not applicable. * LCS or LCS is outside acceptance limits. X Metals F Glossary Abbreviation Surrogate is outside control limits escription MS and/or MS Recovery is outside acceptance limits. These commonly used abbreviations may or may not be present in this report. Listed under the "" column to designate that the result is reported on a dry weight basis %R Percent Recovery CFL CNF ER L L, RA, RE, IN LC EL LO LOQ MA MC ML ML NC PQL QC RER RP TEF TEQ Contains Free Liquid Contains No Free Liquid uplicate Error Ratio (normalized absolute difference) ilution Factor etection Limit (o/oe) Indicates a ilution, Re-analysis, Re-extraction, or additional Initial metals/anion analysis of the sample ecision Level Concentration (Radiochemistry) Estimated etection Limit (ioxin) Limit of etection (o/oe) Limit of Quantitation (o/oe) Minimum etectable Activity (Radiochemistry) Minimum etectable Concentration (Radiochemistry) Method etection Limit Minimum Level (ioxin) Not Calculated Not etected at the reporting limit (or ML or EL if shown) Practical Quantitation Limit Quality Control Relative Error Ratio (Radiochemistry) Reporting Limit or Requested Limit (Radiochemistry) Relative Percent ifference, a measure of the relative difference between two points Toxicity Equivalent Factor (ioxin) Toxicity Equivalent Quotient (ioxin) Page of //0

14 Case Narrative Client: Cornerstone Earth Group TestAmerica Job I: 0-0- Project/Site: anville Blvd, Alamo Job I: 0-0- Laboratory: Narrative Comments No additional comments. Job Narrative 0-0- Receipt The samples were received on //0 : PM; the samples arrived in good condition, properly preserved and, where required, on ice. The temperatures of the coolers at receipt time were 0.º C and.º C. GC Semi VOA Method(s) 0A: The following analyte(s) recovered outside control limits for the LCS associated with preparation batch 0- and analytical batch 0-: Aldrin. This is not indicative of a systematic control problem because these were random marginal exceedances. Qualified results have been reported. Method(s) 0A: Surrogate recovery for the following samples was outside control limits: SS- (-.) (0-0-0) and SS- (-.) (0-0-). Evidence of matrix interference is present; therefore, re-extraction and/or re-analysis was not performed. Method(s) 0A: The %RP between the primary and confirmation column / detector exceeded 0% for alpha-chlordane and gamma-chlordane for the following samples: SS- (-.) (0-0-) and SS- (0-0.) (0-0-). The lower value(s) has been reported and qualified in accordance with the laboratory's SOP. Method(s) 0A: The %RP between the primary and confirmation column / detector exceeded 0% for,'-, Heptachlor epoxide, alpha-chlordane and gamma-chlordane for the following sample: SS- (-.) (0-0-0). The lower value(s) has been reported and qualified in accordance with the laboratory's SOP. Method(s) 0A: The %RP between the primary and confirmation column / detector exceeded 0% for,'-, alpha-chlordane and gamma-chlordane for the following sample: SS- (0-0.) (0-0-). The lower value(s) has been reported and qualified in accordance with the laboratory's SOP. Method(s) 0A: The %RP between the primary and confirmation column / detector exceeded 0% for,'-t for the following sample: SS- (-.) (0-0-). The lower value(s) has been reported and qualified in accordance with the laboratory's SOP. Method(s) 0A: The %RP between the primary and confirmation column / detector exceeded 0% for Heptachlor epoxide, alpha-chlordane and gamma-chlordane for the following sample: SS- (0-0.) (0-0-). The lower value(s) has been reported and qualified in accordance with the laboratory's SOP. Method(s) 0A: The %RP between the primary and confirmation column / detector exceeded 0% for alpha-chlordane and gamma-chlordane for the following samples: SS- (-.) (0-0-) and SS- (0-0.) (0-0-). The lower value(s) has been reported and qualified in accordance with the laboratory's SOP. Method(s) 0A: The %RP between the primary and confirmation column / detector exceeded 0% for gamma-chlordane for the following sample: SS- (-.) (0-0-). The lower value(s) has been reported and qualified in accordance with the laboratory's SOP. Method(s) 0A: The %RP between the primary and confirmation column / detector exceeded 0% for alpha-chlordane for the following sample: SS- (0-0.) (0-0-). The lower value(s) has been reported and qualified in accordance with the laboratory's SOP. Method(s) 0A: The %RP between the primary and confirmation column / detector exceeded 0% for,'-t for the following sample: SS- (-.) (0-0-0). The lower value(s) has been reported and qualified in accordance with the laboratory's SOP. Method(s) 0A: The %RP between the primary and confirmation column / detector exceeded 0% for,'-, alpha-chlordane and gamma-chlordane for the following sample: SS-0 (0-0.) (0-0-). The lower value(s) has been reported and qualified in accordance with the laboratory's SOP. Page of //0

15 Case Narrative Client: Cornerstone Earth Group TestAmerica Job I: 0-0- Project/Site: anville Blvd, Alamo Job I: 0-0- (Continued) Laboratory: (Continued) Method(s) 0A: Surrogate recovery for the following samples was outside control limits: SS- (-.) (0-0-) and SS- (-.) (0-0-). Evidence of matrix interference is present; therefore, re-extraction and/or re-analysis was not performed. Method(s) 0A: The %RP between the primary and confirmation column / detector exceeded 0% for alpha-chlordane and gamma-chlordane for the following samples: SS- (-.) (0-0-), SS- (0-0.) (0-0-) and SS- (-.) (0-0-). The lower value(s) has been reported and qualified in accordance with the laboratory's SOP. Method(s) 0A: The %RP between the primary and confirmation column / detector exceeded 0% for,'-, alpha-chlordane and gamma-chlordane for the following sample: SS- (-.) (0-0-). The lower value(s) has been reported and qualified in accordance with the laboratory's SOP. Method(s) 0A: The %RP between the primary and confirmation column / detector exceeded 0% for Chlordane (technical), alpha-chlordane and gamma-chlordane for the following sample: SS- (0-0.) (0-0-). The lower higher value(s) has been reported and qualified in accordance with the laboratory's SOP. Method(s) 0A: The %RP between the primary and confirmation column / detector exceeded 0% for alpha-chlordane for the following samples: SS- (-.) (0-0-0) and SS- (-.) (0-0-). The lower value(s) has been reported and qualified in accordance with the laboratory's SOP. Method(s) 0A: The %RP between the primary and confirmation column / detector exceeded 0% for ieldrin,,'- and gamma-chlordane for the following sample: SS- (0-0.) (0-0-). The lower value(s) has been reported and qualified in accordance with the laboratory's SOP. Method(s) 0A: The %RP between the primary and confirmation column / detector exceeded 0% for ieldrin and alpha-chlordane for the following sample: SS- (-.) (0-0-). The lower value(s) has been reported and qualified in accordance with the laboratory's SOP. Method(s) 0A: The %RP between the primary and confirmation column / detector exceeded 0% for ieldrin,,'- and alpha-chlordane for the following sample: SS- (-.) (0-0-). The lower value(s) has been reported and qualified in accordance with the laboratory's SOP. Method(s) 0A: The %RP between the primary and confirmation column / detector exceeded 0% for,'-t,,'- and alpha-chlordane for the following sample: SS- (-.) (0-0-). The lower value(s) has been reported and qualified in accordance with the laboratory's SOP. Method(s) 0A: The %RP between the primary and confirmation column / detector exceeded 0% for,'-t, alpha-chlordane and gamma-chlordane for the following sample: SS- (-.) (0-0-). The lower value(s) has been reported and qualified in accordance with the laboratory's SOP. Method(s) 0A: The matrix spike / matrix spike duplicate (MS/MS) recoveries and precision for preparation batch 0- and analytical batch 0- were outside control limits. Sample matrix interference and/or non-homogeneity are suspected because the associated laboratory control sample (LCS ) was within acceptance limits. Method(s) 0A: Surrogate recovery for the following sample was outside control limits: SS- (0-0.) (0-0-). Evidence of matrix interference is present; therefore, re-extraction and/or re-analysis was not performed. Method(s) 0A: The %RP between the primary and confirmation column / detector exceeded 0% for,'-e, alpha-chlordane and gamma-chlordane for the following sample: SS- (-.) (0-0-). The lower value(s) has been reported and qualified in accordance with the laboratory's SOP. Method(s) 0A: The %RP between the primary and confirmation column / detector exceeded 0% for alpha-chlordane and gamma-chlordane for the following samples: SS- (-.) (0-0-) and SS- (0-0.) (0-0-). The lower value(s) has been reported and qualified in accordance with the laboratory's SOP. Page of //0

16 Case Narrative Client: Cornerstone Earth Group TestAmerica Job I: 0-0- Project/Site: anville Blvd, Alamo Job I: 0-0- (Continued) Laboratory: (Continued) Method(s) 0A: The %RP between the primary and confirmation column / detector exceeded 0% for,'-, alpha-chlordane and gamma-chlordane for the following samples: SS- (-.) (0-0-) and SS- (-.) (0-0-). The lower value(s) has been reported and qualified in accordance with the laboratory's SOP. Method(s) 0A: The %RP between the primary and confirmation column / detector exceeded 0% for,'- for the following sample: SS- (0-0.) (0-0-). The lower value(s) has been reported and qualified in accordance with the laboratory's SOP. Method(s) 0A: The %RP between the primary and confirmation column / detector exceeded 0% for Chlordane (technical), alpha-chlordane and gamma-chlordane for the following sample: SS- (0-0.) (0-0-). The lower value(s) has been reported and qualified in accordance with the laboratory's SOP. Method(s) 0A: The %RP between the primary and confirmation column / detector exceeded 0% for,'- and alpha-chlordane for the following sample: SS- (0-0.) (0-0-). The lower value(s) has been reported and qualified in accordance with the laboratory's SOP. Method(s) 0A: The following sample was diluted due to the abundance of non-target analytes: SS- (0-0.) (0-0-). Elevated reporting limits (s) are provided. No additional analytical or quality issues were noted, other than those described above or in the efinitions/glossary page. Metals. No additional analytical or quality issues were noted, other than those described above or in the efinitions/glossary page. Organic Prep No analytical or quality issues were noted, other than those described in the efinitions/glossary page. Page of //0

17 Project/Site: anville Blvd, Alamo etection Summary TestAmerica Job I: 0-0- Client Sample I: SS- (-.) Lab Sample I: 0-0- ML Method Prep Type ieldrin p.0 ug/kg 0A,'-T F F.0 ug/kg 0A,'-E 0.0 ug/kg 0A,'- F.0 ug/kg 0A Chlordane (technical) ug/kg 0A alpha-chlordane. p.0 ug/kg 0A gamma-chlordane..0 ug/kg 0A Arsenic 0. mg/kg 0B Client Sample I: SS- (-.) Lab Sample I: 0-0- ML Method Prep Type ieldrin.0 p.0 ug/kg 0A,'-T..0 ug/kg 0A,'-E.0 ug/kg 0A,'-. p.0 ug/kg 0A alpha-chlordane. p.0 ug/kg 0A Arsenic. mg/kg 0B Client Sample I: SS- (-.) Lab Sample I: 0-0- ML Method Prep Type,'-T. p.0 ug/kg 0A,'-E.0 ug/kg 0A,'-.0 p.0 ug/kg 0A alpha-chlordane. p.0 ug/kg 0A gamma-chlordane..0 ug/kg 0A Arsenic. mg/kg 0B Client Sample I: SS- (-.) Lab Sample I: 0-0- ML Method Prep Type Heptachlor.. ug/kg 0A,'-T. ug/kg 0A,'-E. ug/kg 0A,'- p. ug/kg 0A Chlordane (technical) 00 ug/kg 0A alpha-chlordane 0 p. ug/kg 0A gamma-chlordane 0 p. ug/kg 0A Lead. mg/kg 0B Client Sample I: SS- (-.) Lab Sample I: 0-0- ML Method Prep Type,'-T. p.0 ug/kg 0A,'-E.0 ug/kg 0A,'-..0 ug/kg 0A alpha-chlordane. p.0 ug/kg 0A gamma-chlordane. p.0 ug/kg 0A Lead. mg/kg 0B This etection Summary does not include radiochemical test results. Page of //0

18 Project/Site: anville Blvd, Alamo etection Summary TestAmerica Job I: 0-0- Client Sample I: SS- (-.) Lab Sample I: 0-0- ML Method Prep Type Lead. mg/kg 0B Client Sample I: SS- (-.) Lab Sample I: 0-0- ML Method Prep Type ieldrin. ug/kg 0A,'-T 0. ug/kg 0A,'-E p. ug/kg 0A Chlordane (technical) 0 0 ug/kg 0A alpha-chlordane 0 p. ug/kg 0A gamma-chlordane 0 p. ug/kg 0A Lead 0. mg/kg 0B Client Sample I: SS- (-.) Lab Sample I: 0-0- ML Method Prep Type,'-T..0 ug/kg 0A,'-E..0 ug/kg 0A Chlordane (technical) 0 ug/kg 0A alpha-chlordane p.0 ug/kg 0A gamma-chlordane. p.0 ug/kg 0A Lead. mg/kg 0B Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ML Method Prep Type,'-T.. ug/kg 0A,'-E.. ug/kg 0A,'-. p. ug/kg 0A Arsenic. mg/kg 0B Client Sample I: SS- (-.) Lab Sample I: 0-0- ML Method Prep Type,'-T.0 ug/kg 0A,'-E 00.0 ug/kg 0A,'-.0 ug/kg 0A alpha-chlordane.0 p.0 ug/kg 0A gamma-chlordane. p.0 ug/kg 0A Arsenic. mg/kg 0B Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ML Method Prep Type,'-T..0 ug/kg 0A,'-E..0 ug/kg 0A,'-. p.0 ug/kg 0A alpha-chlordane. p.0 ug/kg 0A Arsenic. mg/kg 0B This etection Summary does not include radiochemical test results. Page of //0

19 Project/Site: anville Blvd, Alamo etection Summary TestAmerica Job I: 0-0- Client Sample I: SS- (-.) Lab Sample I: 0-0- ML Method Prep Type,'-T.0 ug/kg 0A,'-E.0 ug/kg 0A,'-.0 ug/kg 0A Chlordane (technical) 0 0 ug/kg 0A alpha-chlordane. p.0 ug/kg 0A gamma-chlordane. p.0 ug/kg 0A Arsenic 0. mg/kg 0B Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ML Method Prep Type Arsenic.. mg/kg 0B Client Sample I: SS- (-.) Lab Sample I: 0-0- ML Method Prep Type,'-T 0.0 ug/kg 0A,'-E.0 ug/kg 0A Chlordane (technical) 0 ug/kg 0A alpha-chlordane.0 p.0 ug/kg 0A gamma-chlordane. p.0 ug/kg 0A Arsenic 0 F. mg/kg 0B Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ML Method Prep Type,'-T F.0 ug/kg 0A,'-E F.0 ug/kg 0A,'-. F.0 ug/kg 0A alpha-chlordane.0 F F p.0 ug/kg 0A gamma-chlordane. F p.0 ug/kg 0A Arsenic.0. mg/kg 0B Client Sample I: SS- (-.) Lab Sample I: 0-0- ML Method Prep Type,'-T.0 ug/kg 0A,'-E.0 ug/kg 0A Arsenic.. mg/kg 0B Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ML Method Prep Type ieldrin..0 ug/kg 0A,'-T.0 ug/kg 0A,'-E.0 ug/kg 0A,'-..0 ug/kg 0A Chlordane (technical) 0 ug/kg 0A alpha-chlordane p.0 ug/kg 0A gamma-chlordane p.0 ug/kg 0A This etection Summary does not include radiochemical test results. Page of //0

20 Project/Site: anville Blvd, Alamo etection Summary TestAmerica Job I: 0-0- Client Sample I: SS- (0-0.) (Continued) Lab Sample I: 0-0- ML Method Prep Type Arsenic..0 mg/kg 0B Client Sample I: SS- (-.) Lab Sample I: 0-0- ML Method Prep Type,'-T.. ug/kg 0A,'-E.. ug/kg 0A gamma-chlordane. p. ug/kg 0A Arsenic.. mg/kg 0B Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ML Method Prep Type,'-T..0 ug/kg 0A alpha-chlordane. p.0 ug/kg 0A gamma-chlordane..0 ug/kg 0A Arsenic.. mg/kg 0B Client Sample I: SS- (-.) Lab Sample I: ML Method Prep Type,'-T. p.0 ug/kg 0A Arsenic. mg/kg 0B Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ML Method Prep Type,'-T. ug/kg 0A,'-E. ug/kg 0A,'-.. ug/kg 0A Arsenic 0. mg/kg 0B Client Sample I: SS- (-.) Lab Sample I: 0-0- ML Method Prep Type,'-T.0 ug/kg 0A,'-E.0 ug/kg 0A,'-.0 ug/kg 0A Arsenic 0. mg/kg 0B Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ML Method Prep Type ieldrin..0 ug/kg 0A,'-T.0 ug/kg 0A,'-E.0 ug/kg 0A,'-..0 ug/kg 0A Arsenic.. mg/kg 0B Client Sample I: SS- (-.) Lab Sample I: 0-0- This etection Summary does not include radiochemical test results. Page of //0

21 Project/Site: anville Blvd, Alamo etection Summary TestAmerica Job I: 0-0- Client Sample I: SS- (-.) (Continued) Lab Sample I: 0-0- ML Method Prep Type,'-T..0 ug/kg 0A,'-E..0 ug/kg 0A Arsenic.. mg/kg 0B Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ML Method Prep Type ieldrin. ug/kg 0A,'-T 0. ug/kg 0A,'-E. ug/kg 0A,'-. ug/kg 0A Chlordane (technical) 0 ug/kg 0A alpha-chlordane. ug/kg 0A gamma-chlordane. ug/kg 0A Lead. mg/kg 0B Client Sample I: SS- (-.) Lab Sample I: 0-0- ML Method Prep Type ieldrin..0 ug/kg 0A,'-E..0 ug/kg 0A gamma-chlordane..0 ug/kg 0A Lead. mg/kg 0B Client Sample I: SS-0 (0-0.) Lab Sample I: 0-0- ML Method Prep Type ieldrin.0 ug/kg 0A,'-T.0 ug/kg 0A,'-E..0 ug/kg 0A,'-. p.0 ug/kg 0A Chlordane (technical) 0 ug/kg 0A alpha-chlordane p.0 ug/kg 0A gamma-chlordane p.0 ug/kg 0A Lead. mg/kg 0B Client Sample I: SS-0 (-.) Lab Sample I: 0-0- ML Method Prep Type Lead 0. mg/kg 0B Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ML Method Prep Type,'-E..0 ug/kg 0A Lead. mg/kg 0B Client Sample I: SS- (-.) Lab Sample I: This etection Summary does not include radiochemical test results. Page of //0

22 Project/Site: anville Blvd, Alamo etection Summary TestAmerica Job I: 0-0- Client Sample I: SS- (-.) (Continued) Lab Sample I: ML Method Prep Type ieldrin.. ug/kg 0A Heptachlor epoxide.0 p. ug/kg 0A,'-T. ug/kg 0A,'-E. ug/kg 0A,'-. p. ug/kg 0A Chlordane (technical) 0 ug/kg 0A alpha-chlordane 0 p. ug/kg 0A gamma-chlordane p. ug/kg 0A Lead 0. mg/kg 0B Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ML Method Prep Type Heptachlor epoxide..0 ug/kg 0A,'-T.0 ug/kg 0A,'-E..0 ug/kg 0A,'-. p.0 ug/kg 0A Chlordane (technical) 0 ug/kg 0A alpha-chlordane p.0 ug/kg 0A gamma-chlordane. p.0 ug/kg 0A Lead. mg/kg 0B Client Sample I: SS- (-.) Lab Sample I: 0-0- ML Method Prep Type,'-T. p.0 ug/kg 0A,'-E..0 ug/kg 0A Lead. mg/kg 0B Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ML Method Prep Type ieldrin.0.0 ug/kg 0A Heptachlor epoxide. p.0 ug/kg 0A,'-T 00.0 ug/kg 0A,'-E.0 ug/kg 0A,'-.0 ug/kg 0A Chlordane (technical) 0 0 ug/kg 0A alpha-chlordane p.0 ug/kg 0A gamma-chlordane p.0 ug/kg 0A Lead 00. mg/kg 0B Client Sample I: SS- (-.) Lab Sample I: 0-0- ML Method Prep Type,'-T.0 ug/kg 0A,'-E.0 ug/kg 0A,'-. p.0 ug/kg 0A alpha-chlordane. p.0 ug/kg 0A gamma-chlordane. p.0 ug/kg 0A This etection Summary does not include radiochemical test results. Page of //0

23 Project/Site: anville Blvd, Alamo etection Summary TestAmerica Job I: 0-0- Client Sample I: SS- (-.) (Continued) Lab Sample I: 0-0- ML Method Prep Type Lead. mg/kg 0B Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ML Method Prep Type,'-T 0.0 ug/kg 0A,'-E.0 ug/kg 0A,'-..0 ug/kg 0A Chlordane (technical) p 0 ug/kg 0A alpha-chlordane. p.0 ug/kg 0A gamma-chlordane. p.0 ug/kg 0A Lead. mg/kg 0B Client Sample I: SS- (-.) Lab Sample I: 0-0- ML Method Prep Type,'-T.0 ug/kg 0A,'-E.0 ug/kg 0A,'-..0 ug/kg 0A Lead. mg/kg 0B Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ML Method Prep Type,'-T 0. ug/kg 0A,'-E. ug/kg 0A Chlordane (technical) ug/kg 0A alpha-chlordane 00 p. ug/kg 0A gamma-chlordane 0 p. ug/kg 0A Lead. mg/kg 0B Client Sample I: SS- (-.) Lab Sample I: 0-0- ML Method Prep Type,'-T. ug/kg 0A,'-E. ug/kg 0A,'-. p. ug/kg 0A Chlordane (technical) 0 ug/kg 0A alpha-chlordane 0 p. ug/kg 0A gamma-chlordane 0 p. ug/kg 0A Lead. mg/kg 0B Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ML Method Prep Type ieldrin.. ug/kg 0A Heptachlor epoxide.. ug/kg 0A,'-T 0. ug/kg 0A,'-E 0. ug/kg 0A,'-. ug/kg 0A This etection Summary does not include radiochemical test results. Page of //0

24 Project/Site: anville Blvd, Alamo etection Summary TestAmerica Job I: 0-0- Client Sample I: SS- (0-0.) (Continued) Lab Sample I: 0-0- ML Method Prep Type Chlordane (technical) 0 ug/kg 0A alpha-chlordane p. ug/kg 0A gamma-chlordane p. ug/kg 0A Lead. mg/kg 0B Client Sample I: SS- (-.) Lab Sample I: ML Method Prep Type,'-T. ug/kg 0A,'-E 0. ug/kg 0A,'-. ug/kg 0A alpha-chlordane. p. ug/kg 0A Lead. mg/kg 0B Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ML Method Prep Type ieldrin. p.0 ug/kg 0A Heptachlor epoxide..0 ug/kg 0A,'-T.0 ug/kg 0A,'-E.0 ug/kg 0A,'-. p.0 ug/kg 0A Methoxychlor..0 ug/kg 0A Chlordane (technical) ug/kg 0A alpha-chlordane 0.0 ug/kg 0A gamma-chlordane p.0 ug/kg 0A Lead. mg/kg 0B Client Sample I: SS- (-.) Lab Sample I: 0-0- ML Method Prep Type Heptachlor epoxide..0 ug/kg 0A,'-T.0 ug/kg 0A,'-E.0 ug/kg 0A,'-.0 ug/kg 0A Chlordane (technical) 0 ug/kg 0A alpha-chlordane p.0 ug/kg 0A Lead. mg/kg 0B Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ML Method Prep Type,'-T.0 ug/kg 0A,'-E..0 ug/kg 0A,'-.0 ug/kg 0A Chlordane (technical) 0 p ug/kg 0A alpha-chlordane p.0 ug/kg 0A gamma-chlordane p.0 ug/kg 0A Lead. mg/kg 0B This etection Summary does not include radiochemical test results. Page of //0

25 Project/Site: anville Blvd, Alamo etection Summary TestAmerica Job I: 0-0- Client Sample I: SS- (-.) Lab Sample I: 0-0- ML Method Prep Type,'-T.0 ug/kg 0A,'-E.0 ug/kg 0A,'-..0 ug/kg 0A alpha-chlordane.0 p.0 ug/kg 0A gamma-chlordane. p.0 ug/kg 0A Lead. mg/kg 0B This etection Summary does not include radiochemical test results. Page of //0

26 Project/Site: anville Blvd, Alamo Client Sample I: SS- (-.) ate Collected: // :0 ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin.0 ug/kg // 0:0 // : ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide p,'-t F F,'-E 0,'- F Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene F Chlordane (technical) alpha-chlordane. p gamma-chlordane..0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // : ug/kg // 0:0 // : ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // : Surrogate %Recovery Tetrachloro-m-xylene - // 0:0 // : CB ecachlorobiphenyl p - // 0:0 // : Method: 0B - Metals (ICP) Arsenic 0. mg/kg // : // 0: ML Page of //0

27 Project/Site: anville Blvd, Alamo Client Sample I: SS- (-.) ate Collected: // :0 ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin.0 ug/kg // 0:0 // 0: ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide.0 p,'-t.,'-e,'-. p Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) alpha-chlordane gamma-chlordane. p.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0: 0 ug/kg // 0:0 // 0: 0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0: Surrogate %Recovery Tetrachloro-m-xylene - // 0:0 // 0: CB ecachlorobiphenyl p - // 0:0 // 0: Method: 0B - Metals (ICP) Arsenic. mg/kg // : // 0: ML Page of //0

28 Project/Site: anville Blvd, Alamo Client Sample I: SS- (-.) ate Collected: // :00 ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin.0 ug/kg // 0:0 // 0: ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t. p,'-e,'-.0 p Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) alpha-chlordane. p gamma-chlordane..0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0: ug/kg // 0:0 // 0: ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0: Surrogate %Recovery Tetrachloro-m-xylene - // 0:0 // 0: CB ecachlorobiphenyl p X - // 0:0 // 0: Method: 0B - Metals (ICP) Arsenic. mg/kg // : // :0 ML Page of //0

29 Project/Site: anville Blvd, Alamo Client Sample I: SS- (-.) ate Collected: // : ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin. ug/kg // 0:0 // :0 ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor. Heptachlor epoxide,'-t,'-e,'- p Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) 00 alpha-chlordane 0 p gamma-chlordane 0 p. ug/kg // 0:0 // :0. ug/kg // 0:0 // :0. ug/kg // 0:0 // :0. ug/kg // 0:0 // :0. ug/kg // 0:0 // :0. ug/kg // 0:0 // :0. ug/kg // 0:0 // :0. ug/kg // 0:0 // :0. ug/kg // 0:0 // :0. ug/kg // 0:0 // :0. ug/kg // 0:0 // :0. ug/kg // 0:0 // :0. ug/kg // 0:0 // :0. ug/kg // 0:0 // :0. ug/kg // 0:0 // :0. ug/kg // 0:0 // :0. ug/kg // 0:0 // :0 ug/kg // 0:0 // :0 ug/kg // 0:0 // :0. ug/kg // 0:0 // :0. ug/kg // 0:0 // :0 Surrogate %Recovery Tetrachloro-m-xylene 0 - // 0:0 // :0 CB ecachlorobiphenyl - // 0:0 // :0 Method: 0B - Metals (ICP) Lead. mg/kg // : // : ML Page of //0

30 Project/Site: anville Blvd, Alamo Client Sample I: SS- (-.) ate Collected: // : ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin.0 ug/kg // 0:0 // : ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t. p,'-e,'-. Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) alpha-chlordane gamma-chlordane. p. p.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // : 0 ug/kg // 0:0 // : 0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // : Surrogate %Recovery Tetrachloro-m-xylene 0 - // 0:0 // : CB ecachlorobiphenyl - // 0:0 // : Method: 0B - Metals (ICP) Lead. mg/kg // : // : ML Page 0 of //0

31 Project/Site: anville Blvd, Alamo Client Sample I: SS- (-.) ate Collected: // : ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin *. ug/kg // : // : ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t,'-e,'- Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) alpha-chlordane gamma-chlordane. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // : ug/kg // : // : ug/kg // : // :. ug/kg // : // :. ug/kg // : // : Surrogate %Recovery Tetrachloro-m-xylene - // : // : CB ecachlorobiphenyl 0 - // : // : Method: 0B - Metals (ICP) Lead. mg/kg // : // :0 ML Page of //0

32 Project/Site: anville Blvd, Alamo Client Sample I: SS- (-.) ate Collected: // :0 ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin *. ug/kg // : // 0: ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t 0,'-E p,'- Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) 0 alpha-chlordane 0 p gamma-chlordane 0 p. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0: 0 ug/kg // : // 0: 0 ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0: Surrogate %Recovery Tetrachloro-m-xylene - // : // 0: CB ecachlorobiphenyl p - // : // 0: Method: 0B - Metals (ICP) Lead 0. mg/kg // : // : ML Page of //0

33 Project/Site: anville Blvd, Alamo Client Sample I: SS- (-.) ate Collected: // : ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin *.0 ug/kg // : // : ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t.,'-e.,'- Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) alpha-chlordane p gamma-chlordane. p.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // : 0 ug/kg // : // : 0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // : Surrogate %Recovery Tetrachloro-m-xylene - // : // : CB ecachlorobiphenyl 0 - // : // : Method: 0B - Metals (ICP) Lead. mg/kg // : // : ML Page of //0

34 Project/Site: anville Blvd, Alamo Client Sample I: SS- (0-0.) ate Collected: // 0:00 ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin *. ug/kg // : // :0 ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t.,'-e.,'-. p Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) alpha-chlordane gamma-chlordane. ug/kg // : // :0. ug/kg // : // :0. ug/kg // : // :0. ug/kg // : // :0. ug/kg // : // :0. ug/kg // : // :0. ug/kg // : // :0. ug/kg // : // :0. ug/kg // : // :0. ug/kg // : // :0. ug/kg // : // :0. ug/kg // : // :0. ug/kg // : // :0. ug/kg // : // :0. ug/kg // : // :0. ug/kg // : // :0. ug/kg // : // :0 ug/kg // : // :0 ug/kg // : // :0. ug/kg // : // :0. ug/kg // : // :0 Surrogate %Recovery Tetrachloro-m-xylene - // : // :0 CB ecachlorobiphenyl - // : // :0 Method: 0B - Metals (ICP) Arsenic. mg/kg // : // : ML Page of //0

35 Project/Site: anville Blvd, Alamo Client Sample I: SS- (-.) ate Collected: // 0: ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin *.0 ug/kg // : // 0: ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide F F F,'-T,'-E 00,'- Endosulfan I F Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) alpha-chlordane gamma-chlordane F F.0 p. p.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0: ug/kg // : // 0: ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0: Surrogate %Recovery Tetrachloro-m-xylene - // : // 0: CB ecachlorobiphenyl - // : // 0: Method: 0B - Metals (ICP) Arsenic. mg/kg // : // : ML Page of //0

36 Project/Site: anville Blvd, Alamo Client Sample I: SS- (0-0.) ate Collected: // 0: ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin.0 ug/kg // 0:0 // : ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t.,'-e.,'-. p Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) alpha-chlordane gamma-chlordane. p.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // : 0 ug/kg // 0:0 // : 0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // : Surrogate %Recovery Tetrachloro-m-xylene - // 0:0 // : CB ecachlorobiphenyl - // 0:0 // : Method: 0B - Metals (ICP) Arsenic. mg/kg // : // : ML Page of //0

37 Project/Site: anville Blvd, Alamo Client Sample I: SS- (-.) ate Collected: // 0:0 ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin.0 ug/kg // 0:0 // : ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t,'-e,'- Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) 0 alpha-chlordane. p gamma-chlordane. p.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // : 0 ug/kg // 0:0 // : 0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // :.0 ug/kg // 0:0 // : Surrogate %Recovery Tetrachloro-m-xylene - // 0:0 // : CB ecachlorobiphenyl p - // 0:0 // : Method: 0B - Metals (ICP) Arsenic 0. mg/kg // : // :0 ML Page of //0

38 Project/Site: anville Blvd, Alamo Client Sample I: SS- (0-0.) ate Collected: // :0 ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin. ug/kg // 0:0 // : ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t,'-e,'- Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) alpha-chlordane gamma-chlordane. ug/kg // 0:0 // :. ug/kg // 0:0 // :. ug/kg // 0:0 // :. ug/kg // 0:0 // :. ug/kg // 0:0 // :. ug/kg // 0:0 // :. ug/kg // 0:0 // :. ug/kg // 0:0 // :. ug/kg // 0:0 // :. ug/kg // 0:0 // :. ug/kg // 0:0 // :. ug/kg // 0:0 // :. ug/kg // 0:0 // :. ug/kg // 0:0 // :. ug/kg // 0:0 // :. ug/kg // 0:0 // :. ug/kg // 0:0 // : ug/kg // 0:0 // : ug/kg // 0:0 // :. ug/kg // 0:0 // :. ug/kg // 0:0 // : Surrogate %Recovery Tetrachloro-m-xylene - // 0:0 // : CB ecachlorobiphenyl X - // 0:0 // : Method: 0B - Metals (ICP) Arsenic.. mg/kg // : // :0 ML Page of //0

39 Project/Site: anville Blvd, Alamo Client Sample I: SS- (-.) ate Collected: // :0 ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin.0 ug/kg // : // : ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t 0,'-E,'- Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) alpha-chlordane.0 p gamma-chlordane. p.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // : 0 ug/kg // : // : 0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // : Surrogate %Recovery Tetrachloro-m-xylene - // : // : CB ecachlorobiphenyl p - // : // : Method: 0B - Metals (ICP) Arsenic 0 F. mg/kg // :0 // : ML Page of //0

40 Project/Site: anville Blvd, Alamo Client Sample I: SS- (0-0.) ate Collected: // :0 ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin F.0 ug/kg // : // 0:00 ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t,'-e,'- Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) alpha-chlordane gamma-chlordane F F F F F. F F F F F F.0 F F p. F p.0 ug/kg // : // 0:00.0 ug/kg // : // 0:00.0 ug/kg // : // 0:00.0 ug/kg // : // 0:00.0 ug/kg // : // 0:00.0 ug/kg // : // 0:00.0 ug/kg // : // 0:00.0 ug/kg // : // 0:00.0 ug/kg // : // 0:00.0 ug/kg // : // 0:00.0 ug/kg // : // 0:00.0 ug/kg // : // 0:00.0 ug/kg // : // 0:00.0 ug/kg // : // 0:00.0 ug/kg // : // 0:00.0 ug/kg // : // 0:00.0 ug/kg // : // 0:00 0 ug/kg // : // 0:00 0 ug/kg // : // 0:00.0 ug/kg // : // 0:00.0 ug/kg // : // 0:00 Surrogate %Recovery Tetrachloro-m-xylene - // : // 0:00 CB ecachlorobiphenyl - // : // 0:00 Method: 0B - Metals (ICP) Arsenic.0. mg/kg // :0 // : ML Page 0 of //0

41 Project/Site: anville Blvd, Alamo Client Sample I: SS- (-.) ate Collected: // : ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin.0 ug/kg // : // : ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t,'-e,'- Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) alpha-chlordane gamma-chlordane.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // : 0 ug/kg // : // : 0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // : Surrogate %Recovery Tetrachloro-m-xylene - // : // : CB ecachlorobiphenyl p - // : // : Method: 0B - Metals (ICP) Arsenic.. mg/kg // :0 // :00 ML Page of //0

42 Project/Site: anville Blvd, Alamo Client Sample I: SS- (0-0.) ate Collected: // : ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin.0 ug/kg // : // : ieldrin. Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t,'-e,'-. Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) 0 alpha-chlordane p gamma-chlordane p.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // : ug/kg // : // : ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // : Surrogate %Recovery Tetrachloro-m-xylene - // : // : CB ecachlorobiphenyl - // : // : Method: 0B - Metals (ICP) Arsenic..0 mg/kg // :0 // :0 ML Page of //0

43 Project/Site: anville Blvd, Alamo Client Sample I: SS- (-.) ate Collected: // : ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin. ug/kg // : // : ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t.,'-e.,'- Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) alpha-chlordane gamma-chlordane. p. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // : ug/kg // : // : ug/kg // : // :. ug/kg // : // :. ug/kg // : // : Surrogate %Recovery Tetrachloro-m-xylene - // : // : CB ecachlorobiphenyl - // : // : Method: 0B - Metals (ICP) Arsenic.. mg/kg // :0 // :0 ML Page of //0

44 Project/Site: anville Blvd, Alamo Client Sample I: SS- (0-0.) ate Collected: // : ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin.0 ug/kg // : // : ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t.,'-e,'- Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) alpha-chlordane. p gamma-chlordane..0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // : 0 ug/kg // : // : 0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // : Surrogate %Recovery Tetrachloro-m-xylene - // : // : CB ecachlorobiphenyl p - // : // : Method: 0B - Metals (ICP) Arsenic.. mg/kg // :0 // : ML Page of //0

45 Project/Site: anville Blvd, Alamo Client Sample I: SS- (-.) ate Collected: // : ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: Aldrin.0 ug/kg // : // :0 ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t,'-e,'- Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) alpha-chlordane gamma-chlordane. p.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0 ug/kg // : // :0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0 Surrogate %Recovery Tetrachloro-m-xylene - // : // :0 CB ecachlorobiphenyl p - // : // :0 Method: 0B - Metals (ICP) Arsenic. mg/kg // :0 // : ML Page of //0

46 Project/Site: anville Blvd, Alamo Client Sample I: SS- (0-0.) ate Collected: // :00 ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin. ug/kg // : // : ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t,'-e,'-. Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) alpha-chlordane gamma-chlordane. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // : ug/kg // : // : ug/kg // : // :. ug/kg // : // :. ug/kg // : // : Surrogate %Recovery Tetrachloro-m-xylene p - // : // : CB ecachlorobiphenyl - // : // : Method: 0B - Metals (ICP) Arsenic 0. mg/kg // :0 // :0 ML Page of //0

47 Project/Site: anville Blvd, Alamo Client Sample I: SS- (-.) ate Collected: // : ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin.0 ug/kg // : // : ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t,'-e,'- Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) alpha-chlordane gamma-chlordane.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // : ug/kg // : // : ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // : Surrogate %Recovery Tetrachloro-m-xylene p - // : // : CB ecachlorobiphenyl - // : // : Method: 0B - Metals (ICP) Arsenic 0. mg/kg // :0 // : ML Page of //0

48 Project/Site: anville Blvd, Alamo Client Sample I: SS- (0-0.) ate Collected: // :0 ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin.0 ug/kg // : // :0 ieldrin. Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t,'-e,'-. Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) alpha-chlordane gamma-chlordane.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0 ug/kg // : // :0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0 Surrogate %Recovery Tetrachloro-m-xylene - // : // :0 CB ecachlorobiphenyl - // : // :0 Method: 0B - Metals (ICP) Arsenic.. mg/kg // :0 // : ML Page of //0

49 Project/Site: anville Blvd, Alamo Client Sample I: SS- (-.) ate Collected: // : ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin.0 ug/kg // : // :0 ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t.,'-e.,'- Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) alpha-chlordane gamma-chlordane.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0 ug/kg // : // :0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0 Surrogate %Recovery Tetrachloro-m-xylene - // : // :0 CB ecachlorobiphenyl - // : // :0 Method: 0B - Metals (ICP) Arsenic.. mg/kg // :0 // : ML Page of //0

50 Project/Site: anville Blvd, Alamo Client Sample I: SS- (0-0.) ate Collected: // : ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin. ug/kg // : // : ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t 0,'-E,'- Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) 0 alpha-chlordane gamma-chlordane. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // : ug/kg // : // : ug/kg // : // :. ug/kg // : // :. ug/kg // : // : Surrogate %Recovery Tetrachloro-m-xylene - // : // : CB ecachlorobiphenyl 0 - // : // : Method: 0B - Metals (ICP) Lead. mg/kg // :0 // : ML Page 0 of //0

51 Project/Site: anville Blvd, Alamo Client Sample I: SS- (-.) ate Collected: // : ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin.0 ug/kg // : // : ieldrin. Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t,'-e.,'- Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) alpha-chlordane gamma-chlordane..0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // : 0 ug/kg // : // : 0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // : Surrogate %Recovery Tetrachloro-m-xylene - // : // : CB ecachlorobiphenyl - // : // : Method: 0B - Metals (ICP) Lead. mg/kg // :0 // : ML Page of //0

52 Project/Site: anville Blvd, Alamo Client Sample I: SS-0 (0-0.) ate Collected: // :0 ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin.0 ug/kg // : // 0: ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t,'-e.,'-. p Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) alpha-chlordane p gamma-chlordane p.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0: 0 ug/kg // : // 0: 0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0: Surrogate %Recovery Tetrachloro-m-xylene - // : // 0: CB ecachlorobiphenyl - // : // 0: Method: 0B - Metals (ICP) Lead. mg/kg // :0 // : ML Page of //0

53 Project/Site: anville Blvd, Alamo Client Sample I: SS-0 (-.) ate Collected: // :0 ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin.0 ug/kg // : // 0:0 ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t,'-e,'- Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) alpha-chlordane gamma-chlordane.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0 0 ug/kg // : // 0:0 0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0 Surrogate %Recovery Tetrachloro-m-xylene - // : // 0:0 CB ecachlorobiphenyl - // : // 0:0 Method: 0B - Metals (ICP) Lead 0. mg/kg // :0 // : ML Page of //0

54 Project/Site: anville Blvd, Alamo Client Sample I: SS- (0-0.) ate Collected: // :0 ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin.0 ug/kg // : // 0: ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t,'-e.,'- Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) alpha-chlordane gamma-chlordane.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0: 0 ug/kg // : // 0: 0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0: Surrogate %Recovery Tetrachloro-m-xylene - // : // 0: CB ecachlorobiphenyl - // : // 0: Method: 0B - Metals (ICP) Lead. mg/kg // :0 // : ML Page of //0

55 Project/Site: anville Blvd, Alamo Client Sample I: SS- (-.) ate Collected: // :0 ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: Aldrin. ug/kg // : // 0: ieldrin. Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide.0 p,'-t,'-e,'-. p Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) 0 alpha-chlordane 0 p gamma-chlordane p. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0: ug/kg // : // 0: ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0: Surrogate %Recovery Tetrachloro-m-xylene - // : // 0: CB ecachlorobiphenyl X - // : // 0: Method: 0B - Metals (ICP) Lead 0. mg/kg // :0 // :0 ML Page of //0

56 Project/Site: anville Blvd, Alamo Client Sample I: SS- (0-0.) ate Collected: // : ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin.0 ug/kg // : // 0: ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide.,'-t,'-e.,'-. p Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) alpha-chlordane p gamma-chlordane. p.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0: 0 ug/kg // : // 0: 0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0: Surrogate %Recovery Tetrachloro-m-xylene p - // : // 0: CB ecachlorobiphenyl - // : // 0: Method: 0B - Metals (ICP) Lead. mg/kg // :0 // :0 ML Page of //0

57 Project/Site: anville Blvd, Alamo Client Sample I: SS- (-.) ate Collected: // : ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin.0 ug/kg // : // 0:0 ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t. p,'-e.,'- Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) alpha-chlordane gamma-chlordane.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0 0 ug/kg // : // 0:0 0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0 Surrogate %Recovery Tetrachloro-m-xylene - // : // 0:0 CB ecachlorobiphenyl X - // : // 0:0 Method: 0B - Metals (ICP) Lead. mg/kg // :0 // : ML Page of //0

58 Project/Site: anville Blvd, Alamo Client Sample I: SS- (0-0.) ate Collected: // : ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin.0 ug/kg // : // 0:0 ieldrin.0 Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide. p,'-t 00,'-E,'- Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) 0 alpha-chlordane p gamma-chlordane p.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0 0 ug/kg // : // 0:0 0 ug/kg // : // 0:0.0 ug/kg // : // 0:0.0 ug/kg // : // 0:0 Surrogate %Recovery Tetrachloro-m-xylene - // : // 0:0 CB ecachlorobiphenyl - // : // 0:0 Method: 0B - Metals (ICP) Lead 00. mg/kg // :0 // : ML Page of //0

59 Project/Site: anville Blvd, Alamo Client Sample I: SS- (-.) ate Collected: // : ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin *.0 ug/kg // : // : ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t,'-e,'-. p Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) alpha-chlordane gamma-chlordane. p. p.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // : ug/kg // : // : ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // : Surrogate %Recovery Tetrachloro-m-xylene - // : // : CB ecachlorobiphenyl - // : // : Method: 0B - Metals (ICP) Lead. mg/kg // : // 0:0 ML Page of //0

60 Project/Site: anville Blvd, Alamo Client Sample I: SS- (0-0.) ate Collected: // : ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin *.0 ug/kg // : // : ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t 0,'-E,'-. Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) alpha-chlordane gamma-chlordane p. p. p.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // : 0 ug/kg // : // : 0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // : Surrogate %Recovery Tetrachloro-m-xylene - // : // : CB ecachlorobiphenyl - // : // : Method: 0B - Metals (ICP) Lead. mg/kg // : // 0:0 ML Page 0 of //0

61 Project/Site: anville Blvd, Alamo Client Sample I: SS- (-.) ate Collected: // : ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin *.0 ug/kg // : // :0 ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t,'-e,'-. Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) alpha-chlordane gamma-chlordane.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0 0 ug/kg // : // :0 0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0 Surrogate %Recovery Tetrachloro-m-xylene - // : // :0 CB ecachlorobiphenyl p X - // : // :0 Method: 0B - Metals (ICP) Lead. mg/kg // : // 0: ML Page of //0

62 Project/Site: anville Blvd, Alamo Client Sample I: SS- (0-0.) ate Collected: // : ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin *. ug/kg // : // 0:0 ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t 0,'-E,'- Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) 000 alpha-chlordane 00 p gamma-chlordane 0 p. ug/kg // : // 0:0. ug/kg // : // 0:0. ug/kg // : // 0:0. ug/kg // : // 0:0. ug/kg // : // 0:0. ug/kg // : // 0:0. ug/kg // : // 0:0. ug/kg // : // 0:0. ug/kg // : // 0:0. ug/kg // : // 0:0. ug/kg // : // 0:0. ug/kg // : // 0:0. ug/kg // : // 0:0. ug/kg // : // 0:0. ug/kg // : // 0:0. ug/kg // : // 0:0. ug/kg // : // 0:0 0 ug/kg // : // 0:0 0 ug/kg // : // 0:0. ug/kg // : // 0:0. ug/kg // : // 0:0 Surrogate %Recovery Tetrachloro-m-xylene - // : // 0:0 CB ecachlorobiphenyl - // : // 0:0 Method: 0B - Metals (ICP) Lead. mg/kg // : // 0: ML Page of //0

63 Project/Site: anville Blvd, Alamo Client Sample I: SS- (-.) ate Collected: // :0 ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin *. ug/kg // : // 0: ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t,'-e,'-. p Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) 0 alpha-chlordane 0 p gamma-chlordane 0 p. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0: ug/kg // : // 0: ug/kg // : // 0:. ug/kg // : // 0:. ug/kg // : // 0: Surrogate %Recovery Tetrachloro-m-xylene - // : // 0: CB ecachlorobiphenyl - // : // 0: Method: 0B - Metals (ICP) Lead. mg/kg // : // 0: ML Page of //0

64 Project/Site: anville Blvd, Alamo Client Sample I: SS- (0-0.) ate Collected: // : ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin *. ug/kg // : // : ieldrin. Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide.,'-t 0,'-E 0,'- Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) 0 alpha-chlordane p gamma-chlordane p. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // : ug/kg // : // : ug/kg // : // :. ug/kg // : // :. ug/kg // : // : Surrogate %Recovery Tetrachloro-m-xylene - // : // : CB ecachlorobiphenyl - // : // : Method: 0B - Metals (ICP) Lead. mg/kg // : // 0: ML Page of //0

65 Project/Site: anville Blvd, Alamo Client Sample I: SS- (-.) ate Collected: // : ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: Aldrin *. ug/kg // : // : ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t,'-e 0,'- Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) alpha-chlordane gamma-chlordane. p. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // :. ug/kg // : // : ug/kg // : // : ug/kg // : // :. ug/kg // : // :. ug/kg // : // : Surrogate %Recovery Tetrachloro-m-xylene 0 - // : // : CB ecachlorobiphenyl - // : // : Method: 0B - Metals (ICP) Lead. mg/kg // : // 0: ML Page of //0

66 Project/Site: anville Blvd, Alamo Client Sample I: SS- (0-0.) ate Collected: // : ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin *.0 ug/kg // : // : ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor. p Heptachlor epoxide.,'-t,'-e,'-. p Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor. Toxaphene Chlordane (technical) alpha-chlordane 0 gamma-chlordane p.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // : ug/kg // : // : ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // : Surrogate %Recovery Tetrachloro-m-xylene 0 - // : // : CB ecachlorobiphenyl p - // : // : Method: 0B - Metals (ICP) Lead. mg/kg // : // 0: ML Page of //0

67 Project/Site: anville Blvd, Alamo Client Sample I: SS- (-.) ate Collected: // : ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin *.0 ug/kg // : // : ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide.,'-t,'-e,'- Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) 0 alpha-chlordane p gamma-chlordane.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // : ug/kg // : // : ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // : Surrogate %Recovery Tetrachloro-m-xylene - // : // : CB ecachlorobiphenyl p - // : // : Method: 0B - Metals (ICP) Lead. mg/kg // : // 0: ML Page of //0

68 Project/Site: anville Blvd, Alamo Client Sample I: SS- (0-0.) ate Collected: // :00 ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin *.0 ug/kg // : // : ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t,'-e.,'- Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) alpha-chlordane gamma-chlordane 0 p p p.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // : ug/kg // : // : ug/kg // : // :.0 ug/kg // : // :.0 ug/kg // : // : Surrogate %Recovery Tetrachloro-m-xylene - // : // : CB ecachlorobiphenyl p - // : // : Method: 0B - Metals (ICP) Lead. mg/kg // : // 0: ML Page of //0

69 Project/Site: anville Blvd, Alamo Client Sample I: SS- (-.) ate Collected: // : ate Received: // : Method: 0A - Organochlorine Pesticides (GC) Client Sample Results ML TestAmerica Job I: 0-0- Lab Sample I: 0-0- Aldrin *.0 ug/kg // : // :0 ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t,'-e,'-. Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) alpha-chlordane gamma-chlordane.0 p. p.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0 0 ug/kg // : // :0 0 ug/kg // : // :0.0 ug/kg // : // :0.0 ug/kg // : // :0 Surrogate %Recovery Tetrachloro-m-xylene - // : // :0 CB ecachlorobiphenyl - // : // :0 Method: 0B - Metals (ICP) Lead. mg/kg // : // 0:0 ML Page of //0

70 Project/Site: anville Blvd, Alamo Method: 0A - Organochlorine Pesticides (GC) Surrogate Summary TCX CB Lab Sample I Client Sample I (-) (-) 0-0- SS- (-.) p 0-0- MS SS- (-.) 0-0- MS SS- (-.) 0-0- SS- (-.) 0-0- SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- MS SS- (-.) 0-0- MS SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) SS- (-.) 0-0- SS- (-.) Surrogate Legend TCX = Tetrachloro-m-xylene CB = CB ecachlorobiphenyl p p p X p p X p p 0 X X Method: 0A - Organochlorine Pesticides (GC) TestAmerica Job I: 0-0- Percent Surrogate Recovery (Acceptance ) Prep Type: Prep Type: Percent Surrogate Recovery (Acceptance ) TCX CB Lab Sample I Client Sample I (-) (-) 0-0- SS- (-.) SS- (-.) SS- (0-0.) 0-0- SS- (-.) p 0-0- SS- (0-0.) p 0-0- SS- (-.) p 0-0- SS- (0-0.) p 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (0-0.) p 0-0- SS- (-.) Surrogate Legend TCX = Tetrachloro-m-xylene CB = CB ecachlorobiphenyl Page 0 of //0

71 Project/Site: anville Blvd, Alamo Method: 0A - Organochlorine Pesticides (GC) Surrogate Summary TCX CB Lab Sample I Client Sample I (-) (-) 0-0- SS- (-.) SS- (-.) 0-0- SS- (0-0.) 0-0- MS SS- (0-0.) 0-0- MS SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS-0 (0-0.) 0-0- SS-0 (-.) 0-0- SS- (0-0.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) LCS 0-0/-A LCS 0-/-A LCS 0-/-A MB 0-0/-A MB 0-/-A MB 0-/-A Lab Control Sample Lab Control Sample Lab Control Sample Method Blank Method Blank Method Blank p p p p X 0 p p 0 0 TestAmerica Job I: 0-0- Percent Surrogate Recovery (Acceptance ) Prep Type: Surrogate Legend TCX = Tetrachloro-m-xylene CB = CB ecachlorobiphenyl Method: 0A - Organochlorine Pesticides (GC) Prep Type: Percent Surrogate Recovery (Acceptance ) TCX CB Lab Sample I Client Sample I (-) (-) 0-0- SS- (-.) SS- (0-0.) SS- (-.) 0 Surrogate Legend TCX = Tetrachloro-m-xylene CB = CB ecachlorobiphenyl Page of //0

72 Project/Site: anville Blvd, Alamo Method: 0A - Organochlorine Pesticides (GC) QC Sample Results TestAmerica Job I: 0-0- Lab Sample I: MB 0-0/-A Client Sample I: Method Blank Prep Type: Analysis : Prep : 0 MB MB Aldrin.0 ug/kg // : // 0: ieldrin Endrin aldehyde Endrin Endrin ketone Heptachlor Heptachlor epoxide,'-t,'-e,'- Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) alpha-chlordane gamma-chlordane ML.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0: 0 ug/kg // : // 0: 0 ug/kg // : // 0:.0 ug/kg // : // 0:.0 ug/kg // : // 0: Surrogate %Recovery MB MB Tetrachloro-m-xylene 0 - // : // 0: CB ecachlorobiphenyl - // : // 0: Lab Sample I: LCS 0-0/-A Client Sample I: Lab Control Sample Prep Type: Analysis : Prep : 0 Spike LCS LCS %Rec. Added Aldrin.. ug/kg - 0 ieldrin.. ug/kg - 0 Endrin aldehyde.. ug/kg - 0 Endrin.. ug/kg - 0 Endrin ketone.. ug/kg - Heptachlor.. ug/kg - 0 Heptachlor epoxide.. ug/kg - 0,'-T.. ug/kg -,'-E.. ug/kg -,'-.. ug/kg - Endosulfan I.. ug/kg - 0 Endosulfan II.. ug/kg - 0 alpha-bhc.. ug/kg - beta-bhc.. ug/kg 0 - gamma-bhc (Lindane).. ug/kg - 0 delta-bhc.. ug/kg - %Rec Page of //0

73 Project/Site: anville Blvd, Alamo QC Sample Results Method: 0A - Organochlorine Pesticides (GC) (Continued) TestAmerica Job I: 0-0- Lab Sample I: LCS 0-0/-A Client Sample I: Lab Control Sample Prep Type: Analysis : Prep : 0 Spike LCS LCS %Rec. Added Endosulfan sulfate.. ug/kg - Methoxychlor.. ug/kg - alpha-chlordane.. ug/kg 0-0 gamma-chlordane.. ug/kg - 0 Surrogate %Recovery LCS LCS Tetrachloro-m-xylene - CB ecachlorobiphenyl - Lab Sample I: 0-0- MS Client Sample I: SS- (0-0.) Prep Type: Analysis : Prep : 0 Sample Sample Spike MS MS %Rec. Result Added Aldrin F.. ug/kg - 0 ieldrin.. ug/kg 0-0 Endrin aldehyde.. ug/kg Endrin F.. p ug/kg - Endrin ketone F F.. ug/kg 0-0 Heptachlor.. ug/kg - 0 Heptachlor epoxide.. ug/kg 0-0,'-T F. ug/kg - -,'-E F.. ug/kg ,'-. F.. ug/kg Endosulfan I F.. ug/kg 0-0 Endosulfan II.. ug/kg 0-0 alpha-bhc.. ug/kg 0-0 beta-bhc.. ug/kg gamma-bhc (Lindane).. ug/kg - 0 delta-bhc F.. ug/kg 0-0 Endosulfan sulfate F F.. ug/kg 0-0 Methoxychlor F.. ug/kg 0-0 alpha-chlordane.0 F F p.. ug/kg 0-0 gamma-chlordane. F p.. ug/kg 0-0 %Rec %Rec Surrogate %Recovery MS MS Tetrachloro-m-xylene - CB ecachlorobiphenyl - Lab Sample I: 0-0- MS Client Sample I: SS- (0-0.) Prep Type: Analysis : Prep : 0 Sample Sample Spike MS MS %Rec. RP Result Added Aldrin F.. ug/kg ieldrin.. F ug/kg Endrin aldehyde.. F ug/kg Endrin F.. p F ug/kg - 0 %Rec RP Limit Page of //0

74 Project/Site: anville Blvd, Alamo QC Sample Results Method: 0A - Organochlorine Pesticides (GC) (Continued) TestAmerica Job I: 0-0- Lab Sample I: 0-0- MS Client Sample I: SS- (0-0.) Prep Type: Analysis : Prep : 0 Sample Sample Spike MS MS %Rec. RP Result Added Endrin ketone F F.. F F ug/kg Heptachlor.. ug/kg Heptachlor epoxide.. ug/kg 0-0 0,'-T F. F ug/kg - 0,'-E F. F ug/kg 0-0 0,'-. F.. F ug/kg Endosulfan I F.. F ug/kg Endosulfan II.. ug/kg alpha-bhc.. ug/kg beta-bhc.. F ug/kg gamma-bhc (Lindane).. ug/kg delta-bhc F.. ug/kg Endosulfan sulfate F F.. F F ug/kg Methoxychlor F.. F ug/kg alpha-chlordane.0 F F p..0 F ug/kg gamma-chlordane. F p.. ug/kg Surrogate %Recovery MS MS Tetrachloro-m-xylene - CB ecachlorobiphenyl - %Rec RP Limit Lab Sample I: MB 0-/-A Client Sample I: Method Blank Prep Type: Analysis : Prep : MB MB ML Aldrin.0 ug/kg // : // 0: ieldrin.0 ug/kg // : // 0: Endrin aldehyde.0 ug/kg // : // 0: Endrin.0 ug/kg // : // 0: Endrin ketone.0 ug/kg // : // 0: Heptachlor.0 ug/kg // : // 0: Heptachlor epoxide.0 ug/kg // : // 0:,'-T.0 ug/kg // : // 0:,'-E.0 ug/kg // : // 0:,'-.0 ug/kg // : // 0: Endosulfan I.0 ug/kg // : // 0: Endosulfan II.0 ug/kg // : // 0: alpha-bhc.0 ug/kg // : // 0: beta-bhc.0 ug/kg // : // 0: gamma-bhc (Lindane).0 ug/kg // : // 0: delta-bhc.0 ug/kg // : // 0: Endosulfan sulfate.0 ug/kg // : // 0: Methoxychlor.0 ug/kg // : // 0: Toxaphene 0 ug/kg // : // 0: Chlordane (technical) 0 ug/kg // : // 0: alpha-chlordane.0 ug/kg // : // 0: gamma-chlordane.0 ug/kg // : // 0: Page of //0

75 Project/Site: anville Blvd, Alamo Surrogate %Recovery MB MB QC Sample Results TestAmerica Job I: 0-0- Tetrachloro-m-xylene 0 - // : // 0: CB ecachlorobiphenyl - // : // 0: Lab Sample I: LCS 0-/-A Client Sample I: Lab Control Sample Prep Type: Analysis : Prep : Spike LCS LCS %Rec. Added Aldrin.. * ug/kg - 0 ieldrin.. ug/kg - 0 Endrin aldehyde.. ug/kg - 0 Endrin.. ug/kg - 0 Endrin ketone.. ug/kg - Heptachlor.. ug/kg 0-0 Heptachlor epoxide..0 ug/kg - 0,'-T..0 ug/kg 0 -,'-E.. ug/kg -,'-..0 ug/kg - Endosulfan I.. ug/kg - 0 Endosulfan II.. ug/kg - 0 alpha-bhc.. ug/kg 0 - beta-bhc.. ug/kg - gamma-bhc (Lindane).. ug/kg - 0 delta-bhc.. ug/kg - Endosulfan sulfate..0 ug/kg - Methoxychlor.. ug/kg - alpha-chlordane.. ug/kg 0-0 gamma-chlordane.. ug/kg - 0 %Rec Surrogate %Recovery LCS LCS Tetrachloro-m-xylene - CB ecachlorobiphenyl - Lab Sample I: 0-0- MS Client Sample I: SS- (-.) Prep Type: Analysis : Prep : Sample Sample Spike MS MS %Rec. Result Added Aldrin *.. F ug/kg - 0 ieldrin F.. F ug/kg 0-0 Endrin aldehyde.. ug/kg Endrin. 0. p ug/kg - Endrin ketone F.. ug/kg 0-0 Heptachlor.. ug/kg - 0 Heptachlor epoxide F.. F ug/kg 0-0,'-T.. ug/kg -,'-E ug/kg 0-0,'-. ug/kg Endosulfan I F.. F ug/kg 0-0 Endosulfan II.. F ug/kg 0-0 alpha-bhc.. ug/kg 0-0 beta-bhc.. ug/kg 0-0 gamma-bhc (Lindane) F. 0. F ug/kg - 0 %Rec Page of //0

76 Project/Site: anville Blvd, Alamo QC Sample Results Method: 0A - Organochlorine Pesticides (GC) (Continued) TestAmerica Job I: 0-0- Lab Sample I: 0-0- MS Client Sample I: SS- (-.) Prep Type: Analysis : Prep : Sample Sample Spike MS MS %Rec. Result Added delta-bhc.. ug/kg 0-0 Endosulfan sulfate F.. F ug/kg 0-0 Methoxychlor.. ug/kg 0-0 alpha-chlordane.0 p. 0.0 F ug/kg 0-0 gamma-chlordane. p.. F ug/kg 0-0 Surrogate %Recovery MS MS Tetrachloro-m-xylene - CB ecachlorobiphenyl p - Lab Sample I: 0-0- MS Client Sample I: SS- (-.) Prep Type: Analysis : Prep : Sample Sample Spike MS MS %Rec. RP Result Added Aldrin *. 0. F ug/kg ieldrin F. 0. F ug/kg Endrin aldehyde.. ug/kg Endrin. 0. p ug/kg - 0 Endrin ketone F.. F ug/kg Heptachlor.. ug/kg Heptachlor epoxide F.. F ug/kg 0-0 0,'-T.. ug/kg - 0,'-E 00. ug/kg 0-0 0,'-. ug/kg Endosulfan I F.. F ug/kg Endosulfan II.. F ug/kg alpha-bhc.. ug/kg beta-bhc.. ug/kg gamma-bhc (Lindane) F.. ug/kg delta-bhc.. ug/kg Endosulfan sulfate F..0 F ug/kg Methoxychlor..0 ug/kg alpha-chlordane.0 p.. F ug/kg gamma-chlordane. p.. F ug/kg %Rec %Rec RP Limit Surrogate %Recovery MS MS Tetrachloro-m-xylene - CB ecachlorobiphenyl p - Lab Sample I: MB 0-/-A Client Sample I: Method Blank Prep Type: Analysis : Prep : MB MB Aldrin.0 ug/kg // 0:0 // 0: ieldrin Endrin aldehyde ML.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0: Page of //0

77 Project/Site: anville Blvd, Alamo QC Sample Results Method: 0A - Organochlorine Pesticides (GC) (Continued) TestAmerica Job I: 0-0- Lab Sample I: MB 0-/-A Client Sample I: Method Blank Prep Type: Analysis : Prep : MB MB Endrin.0 ug/kg // 0:0 // 0: Endrin ketone Heptachlor Heptachlor epoxide,'-t,'-e,'- Endosulfan I Endosulfan II alpha-bhc beta-bhc gamma-bhc (Lindane) delta-bhc Endosulfan sulfate Methoxychlor Toxaphene Chlordane (technical) alpha-chlordane gamma-chlordane Surrogate %Recovery ML.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0: 0 ug/kg // 0:0 // 0: 0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0:.0 ug/kg // 0:0 // 0: MB MB Tetrachloro-m-xylene - // 0:0 // 0: CB ecachlorobiphenyl - // 0:0 // 0: Lab Sample I: LCS 0-/-A Client Sample I: Lab Control Sample Prep Type: Analysis : Prep : Spike LCS LCS %Rec. Added %Rec Aldrin.. ug/kg - 0 ieldrin..0 ug/kg - 0 Endrin aldehyde.. ug/kg - 0 Endrin.. ug/kg - 0 Endrin ketone..0 ug/kg - Heptachlor.. ug/kg - 0 Heptachlor epoxide.. ug/kg - 0,'-T.. ug/kg -,'-E..0 ug/kg -,'-.. ug/kg - Endosulfan I.. ug/kg - 0 Endosulfan II.. ug/kg - 0 alpha-bhc.. ug/kg - beta-bhc.. ug/kg - gamma-bhc (Lindane)..0 ug/kg - 0 delta-bhc.. ug/kg - Endosulfan sulfate..0 ug/kg - Methoxychlor.. ug/kg - alpha-chlordane.. ug/kg 0-0 Page of //0

78 Project/Site: anville Blvd, Alamo QC Sample Results Method: 0A - Organochlorine Pesticides (GC) (Continued) TestAmerica Job I: 0-0- Lab Sample I: LCS 0-/-A Client Sample I: Lab Control Sample Prep Type: Analysis : Prep : Spike LCS LCS %Rec. Added gamma-chlordane.. ug/kg - 0 Surrogate %Recovery LCS LCS Tetrachloro-m-xylene - CB ecachlorobiphenyl - Lab Sample I: 0-0- MS Client Sample I: SS- (-.) Prep Type: Analysis : Prep : Sample Sample Spike MS MS %Rec. Result Added Aldrin.. ug/kg - 0 ieldrin p.. p ug/kg - 0 Endrin aldehyde.. ug/kg 0-0 Endrin.. ug/kg - Endrin ketone..0 ug/kg 0-0 Heptachlor.. ug/kg - 0 Heptachlor epoxide..0 ug/kg 0-0,'-T F F.. F ug/kg -,'-E 0. 0 ug/kg 0-0,'- F..0 F ug/kg 0-0 Endosulfan I.. ug/kg Endosulfan II.. ug/kg 0-0 alpha-bhc.. ug/kg 0-0 beta-bhc.. ug/kg 0-0 gamma-bhc (Lindane).. ug/kg - 0 delta-bhc..0 ug/kg 0-0 Endosulfan sulfate F. 0. F ug/kg 0-0 Methoxychlor.. p ug/kg 0-0 alpha-chlordane. p.. F ug/kg 0-0 gamma-chlordane.. 0. F ug/kg 0-0 %Rec %Rec Surrogate %Recovery MS MS Tetrachloro-m-xylene - CB ecachlorobiphenyl p - Lab Sample I: 0-0- MS Client Sample I: SS- (-.) Prep Type: Analysis : Prep : Sample Sample Spike MS MS %Rec. RP Result Added Aldrin.. ug/kg ieldrin p.. p ug/kg Endrin aldehyde.. F F ug/kg Endrin.. ug/kg - 0 Endrin ketone.. F ug/kg Heptachlor.. ug/kg Heptachlor epoxide.. ug/kg %Rec RP Limit Page of //0

79 Project/Site: anville Blvd, Alamo QC Sample Results Method: 0A - Organochlorine Pesticides (GC) (Continued) TestAmerica Job I: 0-0- Lab Sample I: 0-0- MS Client Sample I: SS- (-.) Prep Type: Analysis : Prep : Sample Sample Spike MS MS %Rec. RP Result Added,'-T F F.. p F ug/kg - 0,'-E 0. ug/kg 0-0 0,'- F.. ug/kg Endosulfan I.. ug/kg Endosulfan II.. p ug/kg alpha-bhc.. ug/kg beta-bhc.. ug/kg gamma-bhc (Lindane).. ug/kg delta-bhc.. ug/kg Endosulfan sulfate F.. p F ug/kg Methoxychlor.. p ug/kg alpha-chlordane. p.. ug/kg gamma-chlordane... ug/kg Surrogate %Recovery MS MS Tetrachloro-m-xylene - CB ecachlorobiphenyl - Method: 0B - Metals (ICP) Lab Sample I: MB 0-/-A Client Sample I: Method Blank Prep Type: Analysis : Prep : MB MB Lead 0.0 mg/kg // :0 // : Arsenic ML %Rec RP Limit.0 mg/kg // :0 // : Lab Sample I: LCS 0-/-A Client Sample I: Lab Control Sample Prep Type: Analysis : Prep : Spike LCS LCS %Rec. Added %Rec Lead 0.0. mg/kg 0-0 Arsenic 0.0. mg/kg 0-0 Lab Sample I: 0-0- MS Client Sample I: SS- (-.) Prep Type: Analysis : Prep : Sample Sample Spike MS MS %Rec. Added %Rec Lead.. mg/kg - Arsenic 0 F. 0 F mg/kg - Page of //0

80 Project/Site: anville Blvd, Alamo Method: 0B - Metals (ICP) (Continued) QC Sample Results TestAmerica Job I: 0-0- Lab Sample I: 0-0- MS Client Sample I: SS- (-.) Prep Type: Analysis : Prep : Sample Sample Spike MS MS %Rec. RP Result Added Lead.. mg/kg - 0 Arsenic 0 F. F mg/kg - 0 Lab Sample I: MB 0-/-A Client Sample I: Method Blank Prep Type: Analysis : Prep : MB MB Lead 0.0 mg/kg // : // : Arsenic ML %Rec RP Limit.0 mg/kg // : // : Lab Sample I: LCS 0-/-A Client Sample I: Lab Control Sample Prep Type: Analysis : Prep : Spike LCS LCS %Rec. Added Lead 0.0. mg/kg 0-0 Arsenic 0.0. mg/kg 0-0 Lab Sample I: 0--A--A MS Client Sample I: Matrix Spike Prep Type: Analysis : Prep : Sample Sample Spike MS MS %Rec. Result Added Lead... mg/kg - Arsenic..0 mg/kg 0 - %Rec %Rec Lab Sample I: 0--A--B MS Client Sample I: Matrix Spike uplicate Prep Type: Analysis : Prep : Sample Sample Spike MS MS %Rec. RP Added %Rec RP Limit Lead... mg/kg - 0 Arsenic.. mg/kg - 0 Lab Sample I: MB 0-/-A Client Sample I: Method Blank Prep Type: Analysis : Prep : MB MB ML Lead 0.0 mg/kg // : // : Lab Sample I: LCS 0-/-A Client Sample I: Lab Control Sample Prep Type: Analysis : Prep : Spike LCS LCS %Rec. Added %Rec Lead mg/kg 0-0 Page 0 of //0

81 Project/Site: anville Blvd, Alamo Method: 0B - Metals (ICP) (Continued) QC Sample Results TestAmerica Job I: 0-0- Lab Sample I: 0--A--A MS Client Sample I: Matrix Spike Prep Type: Analysis : Prep : Sample Sample Spike MS MS %Rec. Result Added Lead.. mg/kg - Lab Sample I: 0--A--B MS Client Sample I: Matrix Spike uplicate Prep Type: Analysis : Prep : Sample Sample Spike MS MS %Rec. RP Result Added Lead.. mg/kg - 0 %Rec %Rec RP Limit Page of //0

82 Project/Site: anville Blvd, Alamo QC Association Summary TestAmerica Job I: 0-0- GC Semi VOA Prep : 0 Lab Sample I Client Sample I Prep Type Matrix Method Prep 0-0- SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS-0 (0-0.) 0-0- SS-0 (-.) 0-0- SS- (0-0.) SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) MB 0-0/-A Method Blank LCS 0-0/-A Lab Control Sample 0-0- MS SS- (0-0.) 0-0- MS SS- (0-0.) Prep : Lab Sample I Client Sample I Prep Type Matrix Method Prep 0-0- SS- (-.) 0-0- SS- (-.) 0-0- SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) MB 0-/-A Method Blank LCS 0-/-A Lab Control Sample 0-0- MS SS- (-.) 0-0- MS SS- (-.) Analysis : Lab Sample I Client Sample I Prep Type Matrix Method Prep 0-0- SS- (-.) 0A 0 Page of //0

83 Project/Site: anville Blvd, Alamo QC Association Summary TestAmerica Job I: 0-0- GC Semi VOA (Continued) Analysis : (Continued) Lab Sample I Client Sample I Prep Type Matrix Method Prep 0-0- SS- (-.) 0A SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS-0 (0-0.) 0-0- SS-0 (-.) 0-0- SS- (0-0.) Prep : 0A 0 0A 0 0A 0 0A 0 0A 0 0A 0 0A 0 0A 0 0A 0 0A 0 0A 0 0A 0 0A 0 Lab Sample I Client Sample I Prep Type Matrix Method Prep 0-0- SS- (-.) 0-0- SS- (-.) 0-0- SS- (-.) 0-0- SS- (-.) 0-0- SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) MB 0-/-A Method Blank LCS 0-/-A Lab Control Sample 0-0- MS SS- (-.) 0-0- MS SS- (-.) Analysis : Lab Sample I Client Sample I Prep Type Matrix Method Prep 0-0- SS- (-.) 0A 0-0- SS- (0-0.) SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) MB 0-0/-A Method Blank MB 0-/-A Method Blank MB 0-/-A Method Blank LCS 0-0/-A Lab Control Sample LCS 0-/-A Lab Control Sample LCS 0-/-A Lab Control Sample 0-0- MS SS- (-.) 0-0- MS SS- (-.) 0-0- MS SS- (0-0.) 0-0- MS SS- (0-0.) 0A 0 0A 0 0A 0 0A 0 0A 0 0A 0 0A 0A 0A 0 0A 0A 0A 0A 0A 0 0A 0 Page of //0

84 Project/Site: anville Blvd, Alamo GC Semi VOA (Continued) Analysis : QC Association Summary TestAmerica Job I: 0-0- Lab Sample I Client Sample I Prep Type Matrix Method Prep 0-0- SS- (-.) 0A 0-0- SS- (-.) 0-0- SS- (-.) 0-0- SS- (-.) 0-0- SS- (-.) 0-0- SS- (-.) 0-0- SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (-.) 0-0- MS SS- (-.) 0-0- MS SS- (-.) Analysis : 0A 0A 0A 0A 0A 0A 0A 0A 0A 0A 0A 0A 0A 0A 0A Lab Sample I Client Sample I Prep Type Matrix Method Prep 0-0- SS- (-.) 0A 0-0- SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) 0A 0A 0A 0A 0A 0A 0A 0A Metals Prep : Lab Sample I Client Sample I Prep Type Matrix Method Prep 0-0- SS- (-.) 00B 0-0- SS- (0-0.) 00B 0-0- SS- (-.) 00B 0-0- SS- (0-0.) 00B 0-0- SS- (-.) 00B 0-0- SS- (0-0.) 00B SS- (-.) 00B 0-0- SS- (0-0.) 00B 0-0- SS- (-.) 00B 0-0- SS- (0-0.) 00B 0-0- SS- (-.) 00B 0-0- SS- (0-0.) 00B 0-0- SS- (-.) 00B 0-0- SS-0 (0-0.) 00B 0-0- SS-0 (-.) 00B 0-0- SS- (0-0.) 00B SS- (-.) 00B Page of //0

85 Project/Site: anville Blvd, Alamo Metals (Continued) Prep : (Continued) QC Association Summary TestAmerica Job I: 0-0- Lab Sample I Client Sample I Prep Type Matrix Method Prep 0-0- SS- (0-0.) 00B 0-0- SS- (-.) 0-0- SS- (0-0.) MB 0-/-A Method Blank LCS 0-/-A Lab Control Sample 0-0- MS SS- (-.) 0-0- MS SS- (-.) Prep : Lab Sample I Client Sample I Prep Type Matrix Method Prep 0-0- SS- (-.) 00B 0-0- SS- (-.) 0-0- SS- (-.) 0-0- SS- (-.) 0-0- SS- (-.) 0-0- SS- (-.) 0-0- SS- (-.) 0-0- SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) MB 0-/-A Method Blank LCS 0-/-A Lab Control Sample 0--A--A MS Matrix Spike 0--A--B MS Matrix Spike uplicate 00B 00B 00B 00B 00B 00B 00B 00B 00B 00B 00B 00B 00B 00B 00B 00B 00B 00B 00B 00B 00B 00B Prep : Lab Sample I Client Sample I Prep Type Matrix Method Prep 0-0- SS- (-.) 00B 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) MB 0-/-A Method Blank LCS 0-/-A Lab Control Sample 0--A--A MS Matrix Spike 0--A--B MS Matrix Spike uplicate Analysis : Lab Sample I Client Sample I Prep Type Matrix Method Prep 0-0- SS- (-.) 0B 0-0- SS- (-.) 0-0- SS- (-.) 00B 00B 00B 00B 00B 00B 00B 00B 00B 00B 00B 00B 00B 00B 0B 0B Page of //0

86 Project/Site: anville Blvd, Alamo QC Association Summary TestAmerica Job I: 0-0- Metals (Continued) Analysis : (Continued) Lab Sample I Client Sample I Prep Type Matrix Method Prep 0-0- SS- (-.) 0B 0-0- SS- (-.) 0-0- SS- (-.) 0-0- SS- (-.) 0-0- SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) MB 0-/-A Method Blank LCS 0-/-A Lab Control Sample 0--A--A MS Matrix Spike 0--A--B MS Matrix Spike uplicate Analysis : 0B 0B 0B 0B 0B 0B 0B 0B 0B 0B 0B 0B 0B Lab Sample I Client Sample I Prep Type Matrix Method Prep 0-0- SS- (-.) 0B 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) MB 0-/-A Method Blank LCS 0-/-A Lab Control Sample 0--A--A MS Matrix Spike 0--A--B MS Matrix Spike uplicate 0B 0B 0B 0B 0B 0B 0B 0B 0B 0B 0B 0B 0B 0B Analysis : Lab Sample I Client Sample I Prep Type Matrix Method Prep 0-0- SS- (-.) 0B 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS-0 (0-0.) 0-0- SS-0 (-.) 0-0- SS- (0-0.) 0B 0B 0B 0B 0B 0B 0B 0B 0B 0B 0B 0B 0B 0B 0B Page of //0

87 Project/Site: anville Blvd, Alamo QC Association Summary TestAmerica Job I: 0-0- Metals (Continued) Analysis : (Continued) Lab Sample I Client Sample I Prep Type Matrix Method Prep SS- (-.) 0B 0-0- SS- (0-0.) 0-0- SS- (-.) 0-0- SS- (0-0.) MB 0-/-A Method Blank LCS 0-/-A Lab Control Sample 0-0- MS SS- (-.) 0-0- MS SS- (-.) 0B 0B 0B 0B 0B 0B 0B Page of //0

88 Lab Chronicle Client: Cornerstone Earth Group TestAmerica Job I: 0-0- Project/Site: anville Blvd, Alamo Client Sample I: SS- (-.) Lab Sample I: 0-0- ate Collected: // :0 ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep // 0:0 GAC TAL PLS Analysis 0A // : MQL TAL PLS Prep 00B // : AAP TAL PLS Analysis 0B // 0: CAM TAL PLS Client Sample I: SS- (-.) Lab Sample I: 0-0- ate Collected: // :0 ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep // 0:0 GAC TAL PLS Analysis 0A // 0: MQL TAL PLS Prep 00B // : AAP TAL PLS Analysis 0B // 0: CAM TAL PLS Client Sample I: SS- (-.) Lab Sample I: 0-0- ate Collected: // :00 ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep // 0:0 GAC TAL PLS Analysis 0A // 0: MQL TAL PLS Prep 00B // : AAP TAL PLS Analysis 0B // :0 CAM TAL PLS Lab Lab Lab Client Sample I: SS- (-.) Lab Sample I: 0-0- ate Collected: // : ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep // 0:0 GAC TAL PLS Analysis 0A // :0 MQL TAL PLS Prep 00B // : AAP TAL PLS Analysis 0B // : CAM TAL PLS Lab Client Sample I: SS- (-.) Lab Sample I: 0-0- ate Collected: // : ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep // 0:0 GAC TAL PLS Analysis 0A // : MQL TAL PLS Prep 00B // : AAP TAL PLS Lab Page of //0

89 Lab Chronicle Client: Cornerstone Earth Group TestAmerica Job I: 0-0- Project/Site: anville Blvd, Alamo Client Sample I: SS- (-.) Lab Sample I: 0-0- ate Collected: // : ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Analysis 0B // : CAM TAL PLS Client Sample I: SS- (-.) Lab Sample I: 0-0- ate Collected: // : ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep // : U TAL PLS Analysis 0A // : MQL TAL PLS Prep 00B // : AAP TAL PLS Analysis 0B // :0 CAM TAL PLS Client Sample I: SS- (-.) Lab Sample I: 0-0- ate Collected: // :0 ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep // : U TAL PLS Analysis 0A // 0: MQL TAL PLS Prep 00B // : AAP TAL PLS Analysis 0B // : CAM TAL PLS Lab Lab Lab Client Sample I: SS- (-.) Lab Sample I: 0-0- ate Collected: // : ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep // : U TAL PLS Analysis 0A // : MQL TAL PLS Prep 00B // : AAP TAL PLS Analysis 0B // : CAM TAL PLS Lab Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ate Collected: // 0:00 ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep // : U TAL PLS Analysis 0A // :0 MQL TAL PLS Prep 00B // : AAP TAL PLS Analysis 0B // : CAM TAL PLS Lab Page of //0

90 Lab Chronicle Client: Cornerstone Earth Group TestAmerica Job I: 0-0- Project/Site: anville Blvd, Alamo Client Sample I: SS- (-.) Lab Sample I: 0-0- ate Collected: // 0: ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep // : U TAL PLS Analysis 0A // 0: MQL TAL PLS Prep 00B // : AAP TAL PLS Analysis 0B // : CAM TAL PLS Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ate Collected: // 0: ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep // 0:0 GAC TAL PLS Analysis 0A // : MQL TAL PLS Prep 00B // : AAP TAL PLS Analysis 0B // : CAM TAL PLS Client Sample I: SS- (-.) Lab Sample I: 0-0- ate Collected: // 0:0 ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep // 0:0 GAC TAL PLS Analysis 0A // : MQL TAL PLS Prep 00B // : AAP TAL PLS Analysis 0B // :0 CAM TAL PLS Lab Lab Lab Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ate Collected: // :0 ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep // 0:0 GAC TAL PLS Analysis 0A // : MQL TAL PLS Prep 00B // : AAP TAL PLS Analysis 0B // :0 CAM TAL PLS Lab Client Sample I: SS- (-.) Lab Sample I: 0-0- ate Collected: // :0 ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep 0 // : U TAL PLS Analysis 0A // : JZT TAL PLS Prep 00B // :0 JNG TAL PLS Lab Page 0 of //0

91 Lab Chronicle Client: Cornerstone Earth Group TestAmerica Job I: 0-0- Project/Site: anville Blvd, Alamo Client Sample I: SS- (-.) Lab Sample I: 0-0- ate Collected: // :0 ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Analysis 0B // : CAM TAL PLS Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ate Collected: // :0 ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep 0 // : U TAL PLS Analysis 0A // 0:00 MQL TAL PLS Prep 00B // :0 JNG TAL PLS Analysis 0B // : CAM TAL PLS Client Sample I: SS- (-.) Lab Sample I: 0-0- ate Collected: // : ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep 0 // : U TAL PLS Analysis 0A // : JZT TAL PLS Prep 00B // :0 JNG TAL PLS Analysis 0B // :00 CAM TAL PLS Lab Lab Lab Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ate Collected: // : ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep 0 // : U TAL PLS Analysis 0A // : JZT TAL PLS Prep 00B // :0 JNG TAL PLS Analysis 0B // :0 CAM TAL PLS Lab Client Sample I: SS- (-.) Lab Sample I: 0-0- ate Collected: // : ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep 0 // : U TAL PLS Analysis 0A // : JZT TAL PLS Prep 00B // :0 JNG TAL PLS Analysis 0B // :0 CAM TAL PLS Lab Page of //0

92 Lab Chronicle Client: Cornerstone Earth Group TestAmerica Job I: 0-0- Project/Site: anville Blvd, Alamo Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ate Collected: // : ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep 0 // : U TAL PLS Analysis 0A // : JZT TAL PLS Prep 00B // :0 JNG TAL PLS Analysis 0B // : CAM TAL PLS Client Sample I: SS- (-.) Lab Sample I: ate Collected: // : ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep 0 // : U TAL PLS Analysis 0A // :0 JZT TAL PLS Prep 00B // :0 JNG TAL PLS Analysis 0B // : CAM TAL PLS Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ate Collected: // :00 ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep 0 // : U TAL PLS Analysis 0A // : JZT TAL PLS Prep 00B // :0 JNG TAL PLS Analysis 0B // :0 CAM TAL PLS Lab Lab Lab Client Sample I: SS- (-.) Lab Sample I: 0-0- ate Collected: // : ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep 0 // : U TAL PLS Analysis 0A // : JZT TAL PLS Prep 00B // :0 JNG TAL PLS Analysis 0B // : CAM TAL PLS Lab Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ate Collected: // :0 ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep 0 // : U TAL PLS Analysis 0A // :0 JZT TAL PLS Prep 00B // :0 JNG TAL PLS Lab Page of //0

93 Lab Chronicle Client: Cornerstone Earth Group TestAmerica Job I: 0-0- Project/Site: anville Blvd, Alamo Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ate Collected: // :0 ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Analysis 0B // : CAM TAL PLS Client Sample I: SS- (-.) Lab Sample I: 0-0- ate Collected: // : ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep 0 // : U TAL PLS Analysis 0A // :0 JZT TAL PLS Prep 00B // :0 JNG TAL PLS Analysis 0B // : CAM TAL PLS Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ate Collected: // : ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep 0 // : U TAL PLS Analysis 0A // : JZT TAL PLS Prep 00B // :0 JNG TAL PLS Analysis 0B // : CAM TAL PLS Lab Lab Lab Client Sample I: SS- (-.) Lab Sample I: 0-0- ate Collected: // : ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep 0 // : U TAL PLS Analysis 0A // : JZT TAL PLS Prep 00B // :0 JNG TAL PLS Analysis 0B // : CAM TAL PLS Lab Client Sample I: SS-0 (0-0.) Lab Sample I: 0-0- ate Collected: // :0 ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep 0 // : U TAL PLS Analysis 0A // 0: JZT TAL PLS Prep 00B // :0 JNG TAL PLS Analysis 0B // : CAM TAL PLS Lab Page of //0

94 Lab Chronicle Client: Cornerstone Earth Group TestAmerica Job I: 0-0- Project/Site: anville Blvd, Alamo Client Sample I: SS-0 (-.) Lab Sample I: 0-0- ate Collected: // :0 ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep 0 // : U TAL PLS Analysis 0A // 0:0 JZT TAL PLS Prep 00B // :0 JNG TAL PLS Analysis 0B // : CAM TAL PLS Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ate Collected: // :0 ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep 0 // : U TAL PLS Analysis 0A // 0: JZT TAL PLS Prep 00B // :0 JNG TAL PLS Analysis 0B // : CAM TAL PLS Client Sample I: SS- (-.) Lab Sample I: ate Collected: // :0 ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep 0 // : U TAL PLS Analysis 0A // 0: MQL TAL PLS Prep 00B // :0 JNG TAL PLS Analysis 0B // :0 CAM TAL PLS Lab Lab Lab Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ate Collected: // : ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep 0 // : U TAL PLS Analysis 0A // 0: MQL TAL PLS Prep 00B // :0 JNG TAL PLS Analysis 0B // :0 CAM TAL PLS Lab Client Sample I: SS- (-.) Lab Sample I: 0-0- ate Collected: // : ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep 0 // : U TAL PLS Analysis 0A // 0:0 MQL TAL PLS Prep 00B // :0 JNG TAL PLS Lab Page of //0

95 Lab Chronicle Client: Cornerstone Earth Group TestAmerica Job I: 0-0- Project/Site: anville Blvd, Alamo Client Sample I: SS- (-.) Lab Sample I: 0-0- ate Collected: // : ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Analysis 0B // : CAM TAL PLS Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ate Collected: // : ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep 0 // : U TAL PLS Analysis 0A // 0:0 MQL TAL PLS Prep 00B // :0 JNG TAL PLS Analysis 0B // : CAM TAL PLS Client Sample I: SS- (-.) Lab Sample I: 0-0- ate Collected: // : ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep // : U TAL PLS Analysis 0A // : MQL TAL PLS Prep 00B // : JNG TAL PLS Analysis 0B // 0:0 CAM TAL PLS Lab Lab Lab Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ate Collected: // : ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep // : U TAL PLS Analysis 0A // : MQL TAL PLS Prep 00B // : JNG TAL PLS Analysis 0B // 0:0 CAM TAL PLS Lab Client Sample I: SS- (-.) Lab Sample I: 0-0- ate Collected: // : ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep // : U TAL PLS Analysis 0A // :0 MQL TAL PLS Prep 00B // : JNG TAL PLS Analysis 0B // 0: CAM TAL PLS Lab Page of //0

96 Lab Chronicle Client: Cornerstone Earth Group TestAmerica Job I: 0-0- Project/Site: anville Blvd, Alamo Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ate Collected: // : ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep // : U TAL PLS Analysis 0A // 0:0 MQL TAL PLS Prep 00B // : JNG TAL PLS Analysis 0B // 0: CAM TAL PLS Client Sample I: SS- (-.) Lab Sample I: 0-0- ate Collected: // :0 ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep // : U TAL PLS Analysis 0A // 0: MQL TAL PLS Prep 00B // : JNG TAL PLS Analysis 0B // 0: CAM TAL PLS Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ate Collected: // : ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep // : U TAL PLS Analysis 0A // : MQL TAL PLS Prep 00B // : JNG TAL PLS Analysis 0B // 0: CAM TAL PLS Lab Lab Lab Client Sample I: SS- (-.) Lab Sample I: ate Collected: // : ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep // : U TAL PLS Analysis 0A // : MQL TAL PLS Prep 00B // : JNG TAL PLS Analysis 0B // 0: CAM TAL PLS Lab Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ate Collected: // : ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep // : U TAL PLS Analysis 0A // : MQL TAL PLS Prep 00B // : JNG TAL PLS Lab Page of //0

97 Lab Chronicle Client: Cornerstone Earth Group TestAmerica Job I: 0-0- Project/Site: anville Blvd, Alamo Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ate Collected: // : ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Analysis 0B // 0: CAM TAL PLS Client Sample I: SS- (-.) Lab Sample I: 0-0- ate Collected: // : ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep // : U TAL PLS Analysis 0A // : MQL TAL PLS Prep 00B // : JNG TAL PLS Analysis 0B // 0: CAM TAL PLS Client Sample I: SS- (0-0.) Lab Sample I: 0-0- ate Collected: // :00 ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep // : U TAL PLS Analysis 0A // : MQL TAL PLS Prep 00B // : JNG TAL PLS Analysis 0B // 0: CAM TAL PLS Lab Lab Lab Client Sample I: SS- (-.) Lab Sample I: 0-0- ate Collected: // : ate Received: // : Prep Type Type Method Run ilution Factor Number or Analyst Prep // : U TAL PLS Analysis 0A // :0 MQL TAL PLS Prep 00B // : JNG TAL PLS Analysis 0B // 0:0 CAM TAL PLS Lab Laboratory References: TAL PLS =, 0 Quarry Lane, Pleasanton, CA, TEL ()- Page of //0

98 Accreditation/Certification Summary Client: Cornerstone Earth Group TestAmerica Job I: 0-0- Project/Site: anville Blvd, Alamo Laboratory: Unless otherwise noted, all analytes for this laboratory were covered under each accreditation/certification below. Authority Program EPA Region Identification Number Expiration ate California State Program 0-- Analysis Method Prep Method Matrix Page of //0

99 Project/Site: anville Blvd, Alamo Method Summary TestAmerica Job I: 0-0- Method Method escription Protocol Laboratory 0A Organochlorine Pesticides (GC) SW TAL PLS 0B Metals (ICP) SW TAL PLS Protocol References: SW = "Test Methods For Evaluating Waste, Physical/Chemical Methods", Third Edition, November And Its Updates. Laboratory References: TAL PLS =, 0 Quarry Lane, Pleasanton, CA, TEL ()- Page of //0

100 Project/Site: anville Blvd, Alamo Sample Summary TestAmerica Job I: 0-0- Lab Sample I Client Sample I Matrix Collected Received 0-0- SS- (-.) // :0 // : 0-0- SS- (-.) // :0 // : 0-0- SS- (-.) // :00 // : 0-0- SS- (-.) // : // : 0-0- SS- (-.) // : // : 0-0- SS- (-.) // : // : 0-0- SS- (-.) // :0 // : 0-0- SS- (-.) // : // : 0-0- SS- (0-0.) // 0:00 // : 0-0- SS- (-.) // 0: // : 0-0- SS- (0-0.) // 0: // : 0-0- SS- (-.) // 0:0 // : 0-0- SS- (0-0.) // :0 // : 0-0- SS- (-.) // :0 // : 0-0- SS- (0-0.) // :0 // : 0-0- SS- (-.) // : // : 0-0- SS- (0-0.) // : // : 0-0- SS- (-.) // : // : 0-0- SS- (0-0.) // : // : SS- (-.) // : // : 0-0- SS- (0-0.) // :00 // : 0-0- SS- (-.) // : // : 0-0- SS- (0-0.) // :0 // : 0-0- SS- (-.) // : // : 0-0- SS- (0-0.) // : // : 0-0- SS- (-.) // : // : 0-0- SS-0 (0-0.) // :0 // : 0-0- SS-0 (-.) // :0 // : 0-0- SS- (0-0.) // :0 // : SS- (-.) // :0 // : 0-0- SS- (0-0.) // : // : 0-0- SS- (-.) // : // : 0-0- SS- (0-0.) // : // : 0-0- SS- (-.) // : // : 0-0- SS- (0-0.) // : // : 0-0- SS- (-.) // : // : 0-0- SS- (0-0.) // : // : 0-0- SS- (-.) // :0 // : 0-0- SS- (0-0.) // : // : SS- (-.) // : // : 0-0- SS- (0-0.) // : // : 0-0- SS- (-.) // : // : 0-0- SS- (0-0.) // :00 // : 0-0- SS- (-.) // : // : Page 0 of //0

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105 Login Sample Receipt Checklist Client: Cornerstone Earth Group Job Number: 0-0- SG Number: Login Number: 0 List Number: Creator: Alcantara, Michael A Question Answer Comment Radioactivity wasn't checked or is </= background as measured by a survey meter. The cooler's custody seal, if present, is intact. Sample custody seals, if present, are intact. The cooler or samples do not appear to have been compromised or tampered with. Samples were received on ice. Cooler Temperature is acceptable. Cooler Temperature is recorded. COC is present. COC is filled out in ink and legible. COC is filled out with all pertinent information. Is the Field Sampler's name present on COC? There are no discrepancies between the containers received and the COC. Samples are received within Holding Time (excluding tests with immediate HTs) Sample containers have legible labels. Containers are not broken or leaking. Sample collection date/times are provided. Appropriate sample containers are used. Sample bottles are completely filled. Sample Preservation Verified. There is sufficient vol. for all requested analyses, incl. any requested MS/MSs Containers requiring zero headspace have no headspace or bubble is <mm (/"). Multiphasic samples are not present. Samples do not require splitting or compositing. Residual Chlorine Checked. N/A N/A N/A True True True True True True True True True True True True True True True N/A True True True True N/A List Source: Page of //0

106 ANALYTICAL REPORT TestAmerica Laboratories, Inc. 0 Quarry Lane Pleasanton, CA Tel: ()- TestAmerica Job I: 0-0- Client Project/Site: anville Blvd For: Cornerstone Earth Group 0 Springbrook Road, Suite Walnut Creek, California Attn: Peter Langtry Authorized for release by: //0 :: AM Afsaneh Salimpour, Senior Project Manager ()- afsaneh.salimpour@testamericainc.com This report has been electronically signed and authorized by the signatory. Electronic signature is intended to be the legally binding equivalent of a traditionally handwritten signature. Results relate only to the items tested and the sample(s) as received by the laboratory.