Certificate of Analysis FINAL REPORT

Transcription

1 WECK LABORATORIES, INC. [TOC_1]Cover Letter[TO Certificate of Analysis FINAL REPORT Work Orders: 8F29012 Project: City of Paramount Report Date: Received Date: Turnaround Time: Phones: Fax: 7/30/2018 7/12/ workdays (562) (562) Attn: Client: Charlene King Water Replenishment District 4040 Paramount Blvd. Lakewood, CA P.O. #: Billing Code: DoD-ELAP #L2457 ELAP-CA #1132 EPA-UCMR #CA00211 Guam-EPA #17-008R HW-DOH # ISO #L LACSD #10143 NELAP-CA #04229CA NELAP-OR #4047 NJ-DEP #CA015 This is a complete final report. The information in this report applies to the samples analyzed in accordance with the chain-of-custody document. Weck Laboratories certifies that the test results meet all requirements of TNI unless noted by qualifiers or written in the Case Narrative. This analytical report must be reproduced in its entirety. Dear Charlene King, Enclosed are the results of analyses for samples received 7/12/18 with the Chain-of-Custody document. The samples were received in good condition, at 3.4 C and on ice. All analyses met the method criteria except as noted in the case narrative or in the report with data qualifiers. Reviewed by: Valerie Rejuso Project Manager 8F29012 Page 1 of Clark Avenue,City of Industry CA, Phone: (626) Fax: (626)

2 WECK LABORATORIES, INC. Certificate of Analysis FINAL REPORT Water Replenishment District Project Number: City of Paramount Reported: 4040 Paramount Blvd. 07/30/ :16 Lakewood, CA Project Manager: Charlene King Sample Summary [TOC_1]Samples in Report[TOC] Sample Name Sampled By Lab ID Matrix Sampled Qualifiers /EPTDS from MWD Allan Goldberg (wecklabs) 8F Water 07/02/18 10: /DSMRT for Well 15 Allan Goldberg (wecklabs) 8F Water 07/02/18 10: /DSMRT for MWD Allan Goldberg (wecklabs) 8F Water 07/02/18 10: /DSMRT for Well 13 Allan Goldberg (wecklabs) 8F Water 07/02/18 10: /DSMRT for Well 14 Allan Goldberg (wecklabs) 8F Water 07/02/18 10:10 8F29012 Page 2 of Clark Avenue,City of Industry CA, Phone: (626) Fax: (626)

3 WECK LABORATORIES, INC. Certificate of Analysis FINAL REPORT Water Replenishment District Project Number: City of Paramount Reported: 4040 Paramount Blvd. 07/30/ :16 Lakewood, CA Project Manager: Charlene King Sample Results TestAmerica - Irvine ELAP #2706 [TOC_1]Sample Results (via Subcontracted Labs)[TOC] Sample: W13D/Well 13 Disinfection Station 8F (Water) Sampled: 07/12/18 10:20 by Carlos Navarro (wecklabs) Analyte Result MDL MRL Units Dil Analyzed Qualifier Method: 218.6_Prs_DW_OF Chromium, Hexavalent (Ion Chrom Batch ID: Prepared: 07/12/18 10:20 Analyst: MN Chromium, hexavalent ug/l 1 07/19/18 J 8F29012 Page 3 of Clark Avenue,City of Industry CA, Phone: (626) Fax: (626)

4 WECK LABORATORIES, INC. Certificate of Analysis FINAL REPORT Water Replenishment District Project Number: City of Paramount Reported: 4040 Paramount Blvd. 07/30/ :16 Lakewood, CA Project Manager: Charlene King Sample Results TestAmerica - Irvine ELAP #2706 (Continued) Sample: W14D/Well 14 Disinfection Station 8F (Water) Sampled: 07/12/18 10:08 by Carlos Navarro (wecklabs) Analyte Result MDL MRL Units Dil Analyzed Qualifier Method: 218.6_Prs_DW_OF Chromium, Hexavalent (Ion Chrom Batch ID: Prepared: 07/12/18 10:08 Analyst: MN Chromium, hexavalent ug/l 1 07/19/18 J 8F29012 Page 4 of Clark Avenue,City of Industry CA, Phone: (626) Fax: (626)

5 WECK LABORATORIES, INC. Certificate of Analysis FINAL REPORT Water Replenishment District Project Number: City of Paramount Reported: 4040 Paramount Blvd. 07/30/ :16 Lakewood, CA Project Manager: Charlene King Sample Results TestAmerica - Irvine ELAP #2706 (Continued) Sample: W15D/Well 15 Disinfection Station 8F (Water) Sampled: 07/12/18 10:39 by Carlos Navarro (wecklabs) Analyte Result MDL MRL Units Dil Analyzed Qualifier Method: 218.6_Prs_DW_OF Chromium, Hexavalent (Ion Chrom Batch ID: Prepared: 07/12/18 10:39 Chromium, hexavalent ND ug/l 1 07/19/18 Analyst: MN 8F29012 Page 5 of Clark Avenue,City of Industry CA, Phone: (626) Fax: (626)

6 WECK LABORATORIES, INC. Certificate of Analysis FINAL REPORT Water Replenishment District Project Number: City of Paramount Reported: 4040 Paramount Blvd. 07/30/ :16 Lakewood, CA Project Manager: Charlene King Sample Results NELAP #4035, ELAP #2698 (Continued) Sample: /EPTDS from MWD 8F (Water) Sampled: 07/02/18 10:58 by Allan Goldberg (wecklabs) Analyte Result MRL Units Dil Analyzed Qualifier Hexavalent Chromium by IC Method: EPA Batch ID: W8G0996 Prepared: 07/13/18 16:46 Analyst: _sub Chromium 6+ ND 1.0 ug/l 1 07/13/18 A-01 8F29012 Page 6 of Clark Avenue,City of Industry CA, Phone: (626) Fax: (626)

7 WECK LABORATORIES, INC. Certificate of Analysis FINAL REPORT Water Replenishment District Project Number: City of Paramount Reported: 4040 Paramount Blvd. 07/30/ :16 Lakewood, CA Project Manager: Charlene King Sample Results NELAP #4035, ELAP #2698 (Continued) Sample: /DSMRT for Well 15 8F (Water) Sampled: 07/02/18 10:45 by Allan Goldberg (wecklabs) Analyte Result MRL Units Dil Analyzed Qualifier Hexavalent Chromium by IC Method: EPA Batch ID: W8G0996 Prepared: 07/13/18 16:58 Analyst: _sub Chromium 6+ ND 1.0 ug/l 1 07/13/18 A-01 8F29012 Page 7 of Clark Avenue,City of Industry CA, Phone: (626) Fax: (626)

8 WECK LABORATORIES, INC. Certificate of Analysis FINAL REPORT Water Replenishment District Project Number: City of Paramount Reported: 4040 Paramount Blvd. 07/30/ :16 Lakewood, CA Project Manager: Charlene King Sample Results NELAP #4035, ELAP #2698 (Continued) Sample: /DSMRT for MWD 8F (Water) Sampled: 07/02/18 10:37 by Allan Goldberg (wecklabs) Analyte Result MRL Units Dil Analyzed Qualifier Hexavalent Chromium by IC Method: EPA Batch ID: W8G0996 Prepared: 07/13/18 17:11 Analyst: _sub Chromium 6+ ND 1.0 ug/l 1 07/13/18 A-01 8F29012 Page 8 of Clark Avenue,City of Industry CA, Phone: (626) Fax: (626)

9 WECK LABORATORIES, INC. Certificate of Analysis FINAL REPORT Water Replenishment District Project Number: City of Paramount Reported: 4040 Paramount Blvd. 07/30/ :16 Lakewood, CA Project Manager: Charlene King Sample Results NELAP #4035, ELAP #2698 (Continued) Sample: /DSMRT for Well 13 8F (Water) Sampled: 07/02/18 10:22 by Allan Goldberg (wecklabs) Analyte Result MRL Units Dil Analyzed Qualifier Hexavalent Chromium by IC Method: EPA Batch ID: W8G0996 Prepared: 07/13/18 17:24 Analyst: _sub Chromium 6+ ND 1.0 ug/l 1 07/13/18 A-01 8F29012 Page 9 of Clark Avenue,City of Industry CA, Phone: (626) Fax: (626)

10 WECK LABORATORIES, INC. Certificate of Analysis FINAL REPORT Water Replenishment District Project Number: City of Paramount Reported: 4040 Paramount Blvd. 07/30/ :16 Lakewood, CA Project Manager: Charlene King Sample Results NELAP #4035, ELAP #2698 (Continued) Sample: /DSMRT for Well 14 8F (Water) Sampled: 07/02/18 10:10 by Allan Goldberg (wecklabs) Analyte Result MRL Units Dil Analyzed Qualifier Hexavalent Chromium by IC Method: EPA Batch ID: W8G0996 Prepared: 07/13/18 17:37 Analyst: _sub Chromium 6+ ND 1.0 ug/l 1 07/13/18 A-01 8F29012 Page 10 of Clark Avenue,City of Industry CA, Phone: (626) Fax: (626)

11 WECK LABORATORIES, INC. Water Replenishment District 4040 Paramount Blvd. Lakewood, CA Quality Control Results Project Number: Project Manager: City of Paramount Charlene King Certificate of Analysis FINAL REPORT [TOC_1]Quality Assurance Results[TOC] Reported: 07/30/ :16 Spike Source %REC RPD Analyte Result MDL MRL Units Level Result %REC Limits RPD Limit Qualifier Batch: _Prs_DW_OF Chromium, Hexavalent (Ion Chromato MS ( G-2 MS) Source: G-2 Prepared: Analyzed: 07/18/18 Chromium, hexavalent ug/l MSD ( G-2 MSD) Source: G-2 Prepared: Analyzed: 07/18/18 Chromium, hexavalent ug/l LCS (LCS /5) Chromium, hexavalent Prepared: Analyzed: 07/18/ ug/l MB (MB /6) Chromium, hexavalent ND 0.25 Prepared: Analyzed: 07/18/ ug/l - 8F29012 Page 11 of Clark Avenue,City of Industry CA, Phone: (626) Fax: (626)

12 WECK LABORATORIES, INC. Certificate of Analysis FINAL REPORT Water Replenishment District Project Number: City of Paramount Reported: 4040 Paramount Blvd. 07/30/ :16 Lakewood, CA Project Manager: Charlene King Notes and Definitions [TOC_1]Qualifiers and Definitions[TOC] Item A-01 J ND Dil dry RPD % Rec Source MDL MRL MDA NR TIC Definition Analysis subcontracted to Babcock Laboratories, Inc. CA ELAP No Result is less than the RL but greater than or equal to the MDL and the concentration is an approximate value. NOT DETECTED at or above the Method Reporting Limit (MRL). If Method Detection Limit (MDL) is reported, then ND means not detected at or above the MDL. Dilution Sample results reported on a dry weight basis Relative Percent Difference Percent Recovery Sample that was matrix spiked or duplicated. Method Detection Limit The minimum levels, concentrations, or quantities of a target variable (e.g., target analyte) that can be reported with a specified degree of confidence. The MRL is also known as Limit of Quantitation (LOQ) and Detection Limit for Reporting (DLR) Minimum Detectable Activity Not Reportable Tentatively Identified Compound (TIC) using mass spectrometry. The reported concentration is relative concentration based on the nearest internal standard. If the library search produces no matches at, or above 85%, the compound is reported as unknown. Any remaining sample(s) will be disposed of one month from the final report date unless other arrangements are made in advance. An Absence of Total Coliform meets the drinking water standards as established by the California State Water Resources Control Board (SWRCB) All results are expressed on wet weight basis unless otherwise specified. All samples collected by Weck Laboratories have been sampled in accordance to laboratory SOP Number MIS F29012 Page 12 of Clark Avenue,City of Industry CA, Phone: (626) Fax: (626)

13 Client Name: Weck Laboratories, Inc. Contact: Valerie Rejuso Address: East Clark Avenue Industry, CA Report Date: 17-Jul-2018 Analytical Report: Page 1 of 4 Project Name: No Project Project Number: 8F29012 Work Order Number: B8G1563 Received on Ice (Y/N): Yes Temp: 3 C Attached is the analytical report for the sample(s) received for your project. Below is a list of the individual sample descriptions with the corresponding laboratory number(s). Also, enclosed is a copy of the Chain of Custody document (if received with your sample(s)). Please note any unused portion of the sample(s) may be responsibly discarded after 30 days from the above report date, unless you have requested otherwise. Thank you for the opportunity to serve your analytical needs. If you have any questions or concerns regarding this report please contact our client service department. Sample Identification Lab Sample # Client Sample ID Matrix Date Sampled By Date Submitted B8G F / /EPTD Water 07/02/18 10:58 Allan 07/12/18 17:10 S from MWD 020 Goldberg B8G F / /DSM Water 07/02/18 10:45 Allan 07/12/18 17:10 RT for well Goldberg B8G F / /DSM Water 07/02/18 10:37 Allan 07/12/18 17:10 ET for MWD 991 Goldberg B8G F / /DSM Water 07/02/18 10:22 Allan 07/12/18 17:10 RT for well Goldberg B8G F / /DSM Water 07/02/18 10:10 Allan 07/12/18 17:10 RT for well Goldberg By Christopher Romero Christopher Romero Christopher Romero Christopher Romero Christopher Romero mailing P.O Box 432 Riverside, CA location 6100 Quail Valley Court Riverside, CA P F CA ELAP No EPA No. CA00102 NELAP No. OR4035 LACSD No

14 Client Name: Weck Laboratories, Inc. Contact: Valerie Rejuso Address: East Clark Avenue Industry, CA Report Date: 17-Jul-2018 Analytical Report: Page 2 of 4 Project Name: No Project Project Number: 8F29012 Work Order Number: B8G1563 Received on Ice (Y/N): Yes Temp: 3 C Result RDL Units Method Analysis Date Analyst Flag B8G Sampled: 07/02/18 10:58 8F / /EPTDS from MWD020 Hexavalent Chromium ND 1.0 ug/l EPA /13/18 16:46 KRV B8G Sampled: 07/02/18 10:45 8F / /DSMRT for well Hexavalent Chromium ND 1.0 ug/l EPA /13/18 16:58 KRV B8G Sampled: 07/02/18 10:37 8F / /DSMET for MWD991 Hexavalent Chromium ND 1.0 ug/l EPA /13/18 17:11 KRV B8G Sampled: 07/02/18 10:22 8F / /DSMRT for well Hexavalent Chromium ND 1.0 ug/l EPA /13/18 17:24 KRV B8G Sampled: 07/02/18 10:10 8F / /DSMRT for well Hexavalent Chromium ND 1.0 ug/l EPA /13/18 17:37 KRV mailing P.O Box 432 Riverside, CA location 6100 Quail Valley Court Riverside, CA P F CA ELAP No EPA No. CA00102 NELAP No. OR4035 LACSD No

15 Client Name: Weck Laboratories, Inc. Contact: Valerie Rejuso Address: East Clark Avenue Industry, CA Report Date: 17-Jul-2018 Analytical Report: Page 3 of 4 Project Name: No Project Project Number: 8F29012 Work Order Number: B8G1563 Received on Ice (Y/N): Yes Temp: 3 C Metals and Metalloids - Batch Quality Control Analyte(s) Spike Result RDL Units Level Source Result %REC %REC Limits RPD RPD Limit Flag Batch 8G Filter if turbid.-ic Blank (8G13057-BLK1) Prepared & Analyzed: 07/13/18 Hexavalent Chromium ND 1.0 ug/l LCS (8G13057-BS1) Prepared & Analyzed: 07/13/18 Hexavalent Chromium ug/l Duplicate (8G13057-DUP1) Source: B8G Prepared & Analyzed: 07/13/18 Hexavalent Chromium ug/l Matrix Spike (8G13057-MS1) Source: B8G Prepared & Analyzed: 07/13/18 Hexavalent Chromium ug/l Matrix Spike Dup (8G13057-MSD1) Source: B8G Prepared & Analyzed: 07/13/18 Hexavalent Chromium ug/l mailing P.O Box 432 Riverside, CA location 6100 Quail Valley Court Riverside, CA P F CA ELAP No EPA No. CA00102 NELAP No. OR4035 LACSD No

16 Client Name: Weck Laboratories, Inc. Contact: Valerie Rejuso Address: East Clark Avenue Industry, CA Report Date: 17-Jul-2018 Analytical Report: Page 4 of 4 Project Name: No Project Project Number: 8F29012 Work Order Number: B8G1563 Received on Ice (Y/N): Yes Temp: 3 C Notes and Definitions ND: NR: RDL: MDL: Analyte NOT DETECTED at or above the Method Detection Limit (if MDL is reported), otherwise at or above the Reportable Detection Limit (RDL) Not Reported Reportable Detection Limit Method Detection Limit * / ''' : NELAP does not offer accreditation for this analyte/method/matrix combination Approval Enclosed are the analytical results for the submitted sample(s). Babcock Laboratories certify the data presented as part of this report meet the minimum quality standards in the referenced analytical methods. Any exceptions have been noted. KayeLani A. Deener cc: This report applies only to the sample(s) analyzed. As a mutual protection to clients, the public, and Babcock Laboratories, Inc., this report is submitted and accepted for the exclusive use of the Client to whom it is addressed. Interpretation and use of the information contained within this report are the sole responsibility of the Client. Babcock Laboratories, Inc. is not responsible for any misinformation or consequences that may result from misinterpretation or improper use of this report. This report is not to be modified or abbreviated in any way. Additionally, this report is not to be used, in whole or in part, in any advertising or publicity matter without written authorization from Babcock Laboratories, Inc. The liability of Babcock Laboratories, Inc. is limited to the actual cost of the requested analyses, unless otherwise agreed upon in writing. There is no other warranty expressed or implied. e-tab_ Summary+QC.rpt mailing P.O Box 432 Riverside, CA location 6100 Quail Valley Court Riverside, CA P F CA ELAP No EPA No. CA00102 NELAP No. OR4035 LACSD No

17 Client Name: Weck Laboratories, Inc. Contact: Valerie Rejuso Address: East Clark Avenue Industry, CA Report Date: 17-Jul-2018 Analytical Report: Page 1 of 1 Project Name: No Project Project Number: 8F29012 Work Order Number: B8G1563 Received on Ice (Y/N): Yes Temp: 3 C mailing P.O Box 432 Riverside, CA location 6100 Quail Valley Court Riverside, CA P F CA ELAP No EPA No. CA00102 NELAP No. OR4035 LACSD No

18 ANALYTICAL REPORT TestAmerica Laboratories, Inc. TestAmerica Irvine Derian Ave Suite 100 Irvine, CA Tel: (949) TestAmerica Job ID: TestAmerica Sample Delivery Group: City of Paramount Client Project/Site: Paramount, City of-ucmr3 For: Weck Laboratories, Inc E. Clark Avenue City of Industry, California Attn: Valerie Rejuso Authorized for release by: 7/28/2018 5:47:43 AM Danielle Roberts, Senior Project Manager (949) danielle.roberts@testamericainc.com The test results in this report meet all 2003 NELAC and 2009 TNI requirements for accredited parameters, exceptions are noted in this report. This report may not be reproduced except in full, and with written approval from the laboratory. For questions please contact the Project Manager at the address or telephone number listed on this page. 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.

19 Client: Weck Laboratories, Inc. Project/Site: Paramount, City of-ucmr3 Table of Contents TestAmerica Job ID: SDG: City of Paramount Cover Page Table of Contents Sample Summary Case Narrative Detection Summary Client Sample Results Method Summary Lab Chronicle QC Sample Results QC Association Summary Definitions/Glossary Certification Summary Chain of Custody Receipt Checklists Page 2 of 14 TestAmerica Irvine 7/28/2018

20 Sample Summary Client: Weck Laboratories, Inc. TestAmerica Job ID: Project/Site: Paramount, City of-ucmr3 SDG: City of Paramount Lab Sample ID Client Sample ID Matrix Collected Received F / W13D/Well 13 Disinfection Station Water 07/12/18 10:20 07/18/18 10: F / W14D/Well 14 Disinfection Station Water 07/12/18 10:08 07/18/18 10: F / W15D/Well 15 Disinfection Station Water 07/12/18 10:39 07/18/18 10: TestAmerica Irvine Page 3 of 14 7/28/2018

21 Case Narrative Client: Weck Laboratories, Inc. TestAmerica Job ID: Project/Site: Paramount, City of-ucmr3 SDG: City of Paramount Job ID: Laboratory: TestAmerica Irvine Narrative Comments No additional comments. Job Narrative Receipt The samples were received on 7/18/ :25 AM; the samples arrived in good condition, properly preserved and, where required, on ice. The temperature of the cooler at receipt was 4.3º C. HPLC/IC No additional analytical or quality issues were noted, other than those described above or in the Definitions/Glossary page TestAmerica Irvine Page 4 of 14 7/28/2018

22 Client: Weck Laboratories, Inc. Project/Site: Paramount, City of-ucmr3 Detection Summary Client Sample ID: 8F / W13D/Well 13 Disinfection Station Chromium, hexavalent TestAmerica Job ID: SDG: City of Paramount Lab Sample ID: Analyte Result Qualifier RL MDL Unit Dil Fac D Method Prep Type Client Sample ID: 8F / W14D/Well 14 Disinfection Station Chromium, hexavalent 0.35 J ug/l Total/NA Lab Sample ID: Analyte Result Qualifier RL MDL Unit Dil Fac D Method Prep Type Client Sample ID: 8F / W15D/Well 15 Disinfection Station No Detections J ug/l Total/NA Lab Sample ID: This Detection Summary does not include radiochemical test results. TestAmerica Irvine Page 5 of 14 7/28/2018

23 Client: Weck Laboratories, Inc. Project/Site: Paramount, City of-ucmr3 Client Sample Results Client Sample ID: 8F / W13D/Well 13 Disinfection Station Date Collected: 07/12/18 10:20 Date Received: 07/18/18 10:25 Method: Chromium, Hexavalent (Ion Chromatography) Analyte Result Qualifier RL MDL TestAmerica Job ID: SDG: City of Paramount Lab Sample ID: Prepared Matrix: Water Analyzed Chromium, hexavalent 0.35 J ug/l 07/19/18 00:34 1 Client Sample ID: 8F / W14D/Well 14 Disinfection Station Date Collected: 07/12/18 10:08 Date Received: 07/18/18 10:25 Method: Chromium, Hexavalent (Ion Chromatography) Analyte Result Qualifier RL MDL Unit D Dil Fac Lab Sample ID: Prepared Matrix: Water Analyzed Chromium, hexavalent 0.29 J ug/l 07/19/18 00:46 1 Client Sample ID: 8F / W15D/Well 15 Disinfection Station Date Collected: 07/12/18 10:39 Date Received: 07/18/18 10:25 Method: Chromium, Hexavalent (Ion Chromatography) Analyte Result Qualifier RL MDL Unit D Dil Fac Lab Sample ID: Prepared Matrix: Water Analyzed Chromium, hexavalent ND ug/l 07/19/18 00:58 1 Unit D Dil Fac TestAmerica Irvine Page 6 of 14 7/28/2018

24 Method Summary Client: Weck Laboratories, Inc. TestAmerica Job ID: Project/Site: Paramount, City of-ucmr3 SDG: City of Paramount Method Method Description Protocol Laboratory Chromium, Hexavalent (Ion Chromatography) EPA TAL IRV Protocol References: EPA = US Environmental Protection Agency Laboratory References: TAL IRV = TestAmerica Irvine, Derian Ave, Suite 100, Irvine, CA , TEL (949) TestAmerica Irvine Page 7 of 14 7/28/2018

25 Lab Chronicle Client: Weck Laboratories, Inc. TestAmerica Job ID: Project/Site: Paramount, City of-ucmr3 SDG: City of Paramount Client Sample ID: 8F / W13D/Well 13 Disinfection Station Date Collected: 07/12/18 10:20 Date Received: 07/18/18 10:25 Prep Type Total/NA Batch Type Batch Method Run Dil Factor Initial Amount Amount Lab Sample ID: Prepared or Analyzed Analyst Matrix: Water Analysis /19/18 00:34 MN TAL IRV Client Sample ID: 8F / W14D/Well 14 Disinfection Station Date Collected: 07/12/18 10:08 Date Received: 07/18/18 10:25 Prep Type Total/NA Batch Type Batch Method Run Dil Factor Initial Amount Final Amount Batch Number Lab Lab Sample ID: Prepared or Analyzed Analyst Matrix: Water Analysis /19/18 00:46 MN TAL IRV Client Sample ID: 8F / W15D/Well 15 Disinfection Station Date Collected: 07/12/18 10:39 Date Received: 07/18/18 10:25 Prep Type Total/NA Batch Type Batch Method Run Dil Factor Initial Amount Final Amount Batch Number Lab Lab Sample ID: Prepared or Analyzed Analyst Matrix: Water Analysis /19/18 00:58 MN TAL IRV Final Batch Number Lab Laboratory References: TAL IRV = TestAmerica Irvine, Derian Ave, Suite 100, Irvine, CA , TEL (949) TestAmerica Irvine Page 8 of 14 7/28/2018

26 QC Sample Results Client: Weck Laboratories, Inc. TestAmerica Job ID: Project/Site: Paramount, City of-ucmr3 SDG: City of Paramount Method: Chromium, Hexavalent (Ion Chromatography) Lab Sample ID: MB /6 Client Sample ID: Method Blank Matrix: Water Prep Type: Total/NA Analysis Batch: MB MB Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac Chromium, hexavalent ND ug/l 07/18/18 13:28 1 Lab Sample ID: LCS /5 Client Sample ID: Lab Control Sample Matrix: Water Prep Type: Total/NA Analysis Batch: Spike LCS LCS %Rec. Analyte Added Result Qualifier Unit D %Rec Limits Chromium, hexavalent ug/l Lab Sample ID: MRL /4 Client Sample ID: Lab Control Sample Matrix: Water Prep Type: Total/NA Analysis Batch: Spike MRL MRL %Rec. Analyte Added Result Qualifier Unit D %Rec Limits Chromium, hexavalent ug/l Lab Sample ID: G-2 MS Matrix: Water Analysis Batch: Sample Client Sample ID: Matrix Spike Prep Type: Total/NA Sample Spike MS MS %Rec. Analyte Result Qualifier Added Result Qualifier Unit D %Rec Limits Chromium, hexavalent 0.49 J ug/l Lab Sample ID: G-2 MSD Client Sample ID: Matrix Spike Duplicate Matrix: Water Prep Type: Total/NA Analysis Batch: Sample Sample Spike MSD MSD %Rec. RPD Analyte Result Qualifier Added Result Qualifier Unit D %Rec Limits RPD Limit Chromium, hexavalent 0.49 J ug/l TestAmerica Irvine Page 9 of 14 7/28/2018

27 Client: Weck Laboratories, Inc. Project/Site: Paramount, City of-ucmr3 HPLC/IC Analysis Batch: QC Association Summary TestAmerica Job ID: SDG: City of Paramount Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch F / W13D/Well 13 Disinfecti Total/NA Water F / W14D/Well 14 Disinfecti Total/NA F / W15D/Well 15 Disinfecti Total/NA MB /6 Method Blank Total/NA LCS /5 Lab Control Sample Total/NA MRL /4 Lab Control Sample Total/NA G-2 MS Matrix Spike Total/NA G-2 MSD Matrix Spike Duplicate Total/NA Water Water Water Water Water Water Water TestAmerica Irvine Page 10 of 14 7/28/2018

28 Definitions/Glossary Client: Weck Laboratories, Inc. TestAmerica Job ID: Project/Site: Paramount, City of-ucmr3 SDG: City of Paramount Qualifiers HPLC/IC Qualifier J Glossary Abbreviation Qualifier Description Result is less than the RL but greater than or equal to the MDL and the concentration is an approximate value. These commonly used abbreviations may or may not be present in this report. Listed under the "D" column to designate that the result is reported on a dry weight basis %R Percent Recovery CFL Contains Free Liquid CNF Contains No Free Liquid DER Duplicate Error Ratio (normalized absolute difference) Dil Fac Dilution Factor DL Detection Limit (DoD/DOE) DL, RA, RE, IN Indicates a Dilution, Re-analysis, Re-extraction, or additional Initial metals/anion analysis of the sample DLC Decision Level Concentration (Radiochemistry) EDL Estimated Detection Limit (Dioxin) LOD Limit of Detection (DoD/DOE) LOQ Limit of Quantitation (DoD/DOE) MDA Minimum Detectable Activity (Radiochemistry) MDC Minimum Detectable Concentration (Radiochemistry) MDL Method Detection Limit ML Minimum Level (Dioxin) NC Not Calculated ND Not Detected at the reporting limit (or MDL or EDL if shown) PQL Practical Quantitation Limit QC Quality Control RER Relative Error Ratio (Radiochemistry) RL Reporting Limit or Requested Limit (Radiochemistry) RPD Relative Percent Difference, a measure of the relative difference between two points TEF Toxicity Equivalent Factor (Dioxin) TEQ Toxicity Equivalent Quotient (Dioxin) TestAmerica Irvine Page 11 of 14 7/28/2018

29 Accreditation/Certification Summary Client: Weck Laboratories, Inc. TestAmerica Job ID: Project/Site: Paramount, City of-ucmr3 SDG: City of Paramount Laboratory: TestAmerica Irvine The accreditations/certifications listed below are applicable to this report. Authority Program EPA Region Identification Number Expiration Date California LA Cty Sanitation Districts * California State Program 9 CA ELAP * Accreditation/Certification renewal pending - accreditation/certification considered valid. TestAmerica Irvine Page 12 of 14 7/28/2018

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31 Login Sample Receipt Checklist Client: Weck Laboratories, Inc. Job Number: SDG Number: City of Paramount Login Number: List Number: 1 Creator: Escalante, Maria I 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/MSDs Containers requiring zero headspace have no headspace or bubble is <6mm (1/4"). Multiphasic samples are not present. Samples do not require splitting or compositing. Residual Chlorine Checked. N/A N/A N/A False Not present Not Present List Source: TestAmerica Irvine TestAmerica Irvine Page 14 of 14 7/28/2018

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