MOLD SCREENING REPORT

MOLD SCREENING REPORT Mount Washington Middle School 269 Water Street Mt. Washington, KY 40047 Project # 115-7358 Prepared for: Mr. Mark Mitchell Director, Buildings and Grounds Bullitt County Board of Education 1040 HWY 44 East Shepherdsville, KY 40165 Prepared By: Douglas W. Peters, CIH, CSP Report Date: May 6, 2015

MOLD SCREENING REPORT Section 1 General: Subject: Mold Screening Report Date: 5/01/2015 Time: 9:00 AM Location: 269 Water Street, Mt. Washington, KY 40047 Inspection Contact: Mark Mitchell (Director of Facilities) Inspector: Tony Ritenour, CMI (Council-certified Microbial Investigator) Inspector s Company Address: 3701 Taylorsville Road, Suite 1 Section 2 Method: A visual inspection of classrooms 214, 218, 308, 306, 305, and 303 was completed in the student occupied areas and above the ceilings. One air sample was collected in each classroom and two outdoor control samples. (note: This building indoor air quality survey was limited to the specific rooms listed above). Air sample medium: Micro 5 spore trap cassettes

Section 3 Findings: Surface mold was detected as follows: Location and list of all spore types detected on sample: No surface mold was observed in any student occupied areas in classrooms 214, 218, 308, 306, 305, and 303. Amplified indoor mold spore counts detected as follows: location and list of amplified spore types detected on sample. Amplification means higher than outdoor baseline or background levels (1-6 spores); unless inspector/analyst renders opinion to the contrary. No amplified airborne mold spores were detected in classrooms 214, 218, 308, 306, 305, and 303. Section 4 Discussion: This scope of work included the inspection of classrooms 214, 218, 308, 306, 305, and 303 where students would usually be occupying the space. This inspection excluded each room s small mechanical closet that are usually locked and under negative pressure. Previous mold air testing took place in room 307 and 304. Those results indicate those rooms did not contain amplified mold spore levels in the air. Many rooms contained some sort of water damage, whether it was drywall walls or ceiling tiles. Though water damage or stains were visible, there was no visible suspect mold growth observed on the finished side of drywall or either side of stained ceiling tiles. The roof was undergoing corrective repairs during this inspection. All walls were scanned with a thermal imaging camera (Testo 865) and cross checked with a moisture meter (GE Surveymaster Protimeter). All walls and ceiling tiles in the student occupied areas were dry.

Section 5 Conclusions/Recommendations: The following recommendations are made: It is recommended that the water damaged paint on drywall walls be properly prepped and painted. If new paint begins to fail due to water damage, then the roof repair in that area was not sufficient or there is another source of water intrusion. It is recommended that water stained ceiling tiles be replaced. If new ceiling tiles become water stained, then the roof repair in that area was not sufficient or there is another source of water intrusion. Since the roof was undergoing repairs and no visible or amplified mold spores were detected in the occupied portions of classrooms 214, 218, 308, 306, 305, and 303, then no further air testing of those rooms is recommended at this time. If conditions should change or leaks continue, then further testing may be needed.

Section 6 References: 1 - The American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE) has determined that acceptable ranges of temperature and relative humidity for the summer and winter are: Relative Humidity Winter Temperature Summer Temperature 30 % 69.0 o F - 78.0 o F 76.0 o F - 82.0 o F 60 % 68.0 o F - 75.0 o F 74.0 o F - 78.0 o F These standards apply for persons clothed in typical summer and winter clothing, at light, mainly sedentary activity. Source: Adapted from the ANSI/ASHRAE Standard 55-2010, Thermal Environmental Conditions forhuman Occupancy. 2 - ANSI/ASHRAE Standard 62.1-2013, Ventilation for Acceptable Indoor Air Quality, suggests that carbon dioxide levels be maintained at or below 700 ppm above the outside level to keep bioeffluents (body odor) within an acceptable level. The OSHA Permissible Exposure Limit for carbon dioxide is 5000 ppm. 3-2014 Threshold Limit Value (TLV) of the American Conference of Governmental Industrial Hygienists for carbon monoxide is 25 ppm. The OSHA Permissible Exposure Limit for carbon monoxide is 50 ppm. 4 - Investigating Fungal Contamination in Buildings, EMLab P & K, 2003, states that in general, indoor concentrations of fungi and bacteria should be lower than outdoor levels. 5 - In the OSHA Technical Manual, OSHA considers indoor surface samples of 1,000,000 CFU/in 2 or indoor air sample results of 1,000 CFU/m 3 as an indication of contamination. OSHA Technical Manual, Chapter 2.

Limitations The information contained in this report has been obtained through conversations, sampling and survey. The evaluation, conclusions and recommendations of this report are based solely upon the conditions present at the facility during the sampling period. Although great care has been taken by Douglas W. Peters and Associates, Inc., d.b.a. in compiling and checking the information contained in this report to ensure that it is current and accurate, Douglas W. Peters and Associates, Inc., d.b.a. disclaims any and all liability for any errors, omissions or inaccuracies in such information and data, whether attributable to inadvertence or otherwise, and for any consequence arising therefrom. The data provided hereunder neither purports to be nor constitutes legal or medical advice. Douglas W. Peters and Associates, Inc., d.b.a. shall not be liable for any special, consequential or exemplary damages resulting, in whole or in part, from customer s use of the data. Liability on the part of the Douglas W. Peters and Associates, Inc., d.b.a. is limited to the monetary value paid for this report. Respectfully, Douglas W. Peters, CIH, CSP Certified Industrial Hygienist / Project Manager

Tables Attachment 1

Table 1. Summary of Results of Microscopic Analysis of Air Samples 269 Water Street, Mt. Washington, KY 40047 May 1, 2015 Room/Area Description Outdoors (Front of Building) Room 214 (Center of Room) Room 218 (Left Side of Room) Room 308 (Center of Room) Room 306 (Center of Room) Room 305 (Center of Room) Room 303 (Center of Room) Outdoors (Front of Building) MICRO 5 CASSETTE AIR SAMPLES Sample Number MC5-001 MC5-002 Results Spore Density or Concentration/Predominant Genus 780 spores/m3 240 spores/m3 Ascospores (800) Basidiospores (200) Alternaria (80) Basidiospores (80) Ganoderma (80) MC5-003 No Trace No Fungal Structures Detected MC5-004 MC5-005 MC5-006 MC5-007 MC5-008 160 spores/m3 160 spores/m3 280 spores/m3 240 spores/m3 900 spores/m3 Basidiospores (80) Epicoccum (80) Basidiospores (80) Cladosporium (80) Basidiospores (200) Rust (80) Ascospores (80) Basidiospores (80) Ascospores (700) Cladosporium (200) Quality Control Blank MC5-009 No Trace No Fungal Structures Detected * Bold Genus represents fungal levels at an elevated level when compared to the outdoor sample.

Tables 2 & 3. Summary of Results of Air Parameter Readings 269 Water Street, Mt. Washington, KY 40047 May 1, 2015 Location Outdoors (Front of Building) Room 214 (Center of Room) Room 218 (Left Side of Room) Room 308 (Center of Room) Room 306 (Center of Room) Room 305 (Center of Room) Room 303 (Center of Room) Outdoors (Front of Building) Temperature (deg F) * Building was not occupied as school was not in session. Humidity (rh%) CO 2 (ppm) CO (ppm) 49.9 59.3 256 0.0 63.1 54.2 398 0.0 67.8 45.5 469 0.0 72.0 38.1 487 0.0 73.7 37.1 498 0.0 73.8 36.4 539 0.0 74.1 36.8 561 0.0 55.4 47.9 373 0.0 EHM used direct reading instrumentation to measure airborne particle concentrations for 6 differing size criteria. Listed in the table below are the readings collected on-site: Location Outdoors, Front of Building Particulate Concentrations* 0.3 um 0.5 um 1.0 um 2.5 um 5.0 um 10.0 um 38,118 2,295 256 81 13 11 Classroom 214 11,608 583 65 38 5 8 Classroom 218 11,836 589 81 22 1 1

Location Particulate Concentrations* 0.3 um 0.5 um 1.0 um 2.5 um 5.0 um 10.0 um Classroom 308 12,706 1,451 843 597 151 132 Classroom 306 26,607 7,021 2,607 670 25 10 Classroom 305 17,111 2,937 955 312 37 24 Classroom 303 17,748 2,379 578 171 29 24 Outdoors (Front of Building) 41,756 2,637 199 88 8 10 * um = means particle size in microns (1000 microns = 1 millimeter). ** Bold number indicates elevated levels of particles when compared to the outdoor readings. Though some particulate levels between 0.5 um and 10 um were elevated when compared to outdoors, it is important to note that there was some foot traffic in the hallways as workers removed furniture from classroom 307 prior to the inspection. Air testing showed that no amplified mold spores were detected in the classrooms listed in the tables.

Laboratory Report Attachment 2

OrderID: 161506873 Page 1 Of 1

EMSL Analytical, Inc. 2001 East 52nd St. Indianapolis, IN 46205 Phone/Fax: (317) 803-2997 / (317) 803-3047 http://www.emsl.com / indianapolislab@emsl.com Order ID: Customer ID: Customer PO: Project ID: 161506873 ENMG50 115-7358 Attn: Proj: Joe Christy 3701 Taylorsville Road Suite 1 BCBOE MWMS Phone: (502) 454-8530 Fax: (502) 454-8528 Collected: 05/01/2015 Received: 05/04/2015 Analyzed: 05/05/2015 Test Report: Micro-5( ) Analysis of Fungal Spores & Particulates by Optical Microscopy (Methods EMSL 05-TP-003, ASTM D7391) Lab Sample Number: Client Sample ID: Volume (L): Sample Location: 161506873-0001 MC5-001 26.4 OUTDOORS FRONT OF BLDG. 161506873-0002 MC5-002 26.4 CLASSROOM 214 161506873-0003 MC5-003 26.4 CLASSROOM 218 Spore Types Raw Count Count/m³ % of Total Raw Count Count/m³ % of Total Raw Count Count/m³ % of Total Alternaria - - - 1 80 33.3 - - - Ascospores 6 500 64.1 - - - - - - Aspergillus/Penicillium - - - - - - - - - Basidiospores 3 200 25.6 1 80 33.3 - - - Bipolaris++ - - - - - - - - - Chaetomium - - - - - - - - - Cladosporium - - - - - - - - - Curvularia - - - - - - - - - Epicoccum - - - - - - - - - Fusarium - - - - - - - - - Ganoderma - - - 1 80 33.3 - - - Myxomycetes++ 1 80 10.3 - - - - - - Pithomyces - - - - - - - - - Rust - - - - - - - - - Scopulariopsis - - - - - - - - - Stachybotrys - - - - - - - - - Torula - - - - - - - - - Ulocladium - - - - - - - - - Unidentifiable Spores - - - - - - - - - Zygomycetes - - - - - - - - - Total Fungi 10 780 100 3 240 100 - None Detected - Hyphal Fragment - - - - - - - - - Insect Fragment - - - - - - - - - Pollen 7 500 - - - - - - - Analyt. Sensitivity 600x - 76 - - 76 - - 76 - Analyt. Sensitivity 300x - 38* - - 38* - - 38* - Skin Fragments (1-4) - 1 - - 2 - - 1 - Fibrous Particulate (1-4) - 1 - - 1 - - 1 - Background (1-5) - 1 - - 1 - - 1 - Bipolaris++ = Bipolaris/Drechslera/Exserohilum Myxomycetes++ = Myxomycetes/Periconia/Smut Andrea Brooke, Microbiology Lab Manager or Other Approved Signatory High levels of background particulate can obscure spores and other particulates leading to underestimation. Background levels of 5 indicate an overloading of background particulates, prohibiting accurate detection and quantification. Present = Spores detected on overloaded samples. Results are not blank corrected unless othewise noted. The detection limit is equal to one fungal spore, structure, pollen, fiber particle or insect fragment. "*" Denotes particles found at 300X. *-* denotes not detected. EMSL maintains liability limited to cost of anaysis. This report relates only to the samples reported above and may not be reproduced, except in full, without written approval by EMSL. EMSL bears no responsibility for sample collection activities or analytical method limitations. Interpretation and use of test results are the responsibility of the client. Samples received in good condition unless otherwise noted. Samples analyzed by EMSL Analytical, Inc. Indianapolis, IN AIHA-LAP, LLC--EMLAP 157245 Initial report from: 05/05/2015 08:50:20 For Information on the fungi listed in this report please visit the Resources section at www.emsl.com Test Report SPVER3-7.30.4 Printed: 5/05/2015 08:50:20AM Page 1 of 3

EMSL Analytical, Inc. 2001 East 52nd St. Indianapolis, IN 46205 Phone/Fax: (317) 803-2997 / (317) 803-3047 http://www.emsl.com / indianapolislab@emsl.com Order ID: Customer ID: Customer PO: Project ID: 161506873 ENMG50 115-7358 Attn: Proj: Joe Christy 3701 Taylorsville Road Suite 1 BCBOE MWMS Phone: (502) 454-8530 Fax: (502) 454-8528 Collected: 05/01/2015 Received: 05/04/2015 Analyzed: 05/05/2015 Test Report: Micro-5( ) Analysis of Fungal Spores & Particulates by Optical Microscopy (Methods EMSL 05-TP-003, ASTM D7391) Lab Sample Number: Client Sample ID: Volume (L): Sample Location: 161506873-0004 MC5-004 26.4 CLASSROOM 308 161506873-0005 MC5-005 26.4 CLASSROOM 306 161506873-0006 MC5-006 26.4 CLASSROOM 305 Spore Types Raw Count Count/m³ % of Total Raw Count Count/m³ % of Total Raw Count Count/m³ % of Total Alternaria - - - - - - - - - Ascospores - - - - - - - - - Aspergillus/Penicillium - - - - - - - - - Basidiospores 1 80 50 1 80 50 2 200 71.4 Bipolaris++ - - - - - - - - - Chaetomium - - - - - - - - - Cladosporium - - - 1 80 50 - - - Curvularia - - - - - - - - - Epicoccum 1 80 50 - - - - - - Fusarium - - - - - - - - - Ganoderma - - - - - - - - - Myxomycetes++ - - - - - - - - - Pithomyces - - - - - - - - - Rust - - - - - - 1 80 28.6 Scopulariopsis - - - - - - - - - Stachybotrys - - - - - - - - - Torula - - - - - - - - - Ulocladium - - - - - - - - - Unidentifiable Spores - - - - - - - - - Zygomycetes - - - - - - - - - Total Fungi 2 160 100 2 160 100 3 280 100 Hyphal Fragment - - - - - - - - - Insect Fragment - - - 1 80 - - - - Pollen - - - - - - 1 80 - Analyt. Sensitivity 600x - 76 - - 76 - - 76 - Analyt. Sensitivity 300x - 38* - - 38* - - 38* - Skin Fragments (1-4) - 1 - - 1 - - 1 - Fibrous Particulate (1-4) - 1 - - 1 - - 1 - Background (1-5) - 1 - - 1 - - 1 - Bipolaris++ = Bipolaris/Drechslera/Exserohilum Myxomycetes++ = Myxomycetes/Periconia/Smut Andrea Brooke, Microbiology Lab Manager or Other Approved Signatory High levels of background particulate can obscure spores and other particulates leading to underestimation. Background levels of 5 indicate an overloading of background particulates, prohibiting accurate detection and quantification. Present = Spores detected on overloaded samples. Results are not blank corrected unless othewise noted. The detection limit is equal to one fungal spore, structure, pollen, fiber particle or insect fragment. "*" Denotes particles found at 300X. *-* denotes not detected. EMSL maintains liability limited to cost of anaysis. This report relates only to the samples reported above and may not be reproduced, except in full, without written approval by EMSL. EMSL bears no responsibility for sample collection activities or analytical method limitations. Interpretation and use of test results are the responsibility of the client. Samples received in good condition unless otherwise noted. Samples analyzed by EMSL Analytical, Inc. Indianapolis, IN AIHA-LAP, LLC--EMLAP 157245 Initial report from: 05/05/2015 08:50:20 For Information on the fungi listed in this report please visit the Resources section at www.emsl.com Test Report SPVER3-7.30.4 Printed: 5/05/2015 08:50:20AM Page 2 of 3

EMSL Analytical, Inc. 2001 East 52nd St. Indianapolis, IN 46205 Phone/Fax: (317) 803-2997 / (317) 803-3047 http://www.emsl.com / indianapolislab@emsl.com Order ID: Customer ID: Customer PO: Project ID: 161506873 ENMG50 115-7358 Attn: Proj: Joe Christy 3701 Taylorsville Road Suite 1 BCBOE MWMS Phone: (502) 454-8530 Fax: (502) 454-8528 Collected: 05/01/2015 Received: 05/04/2015 Analyzed: 05/05/2015 Test Report: Micro-5( ) Analysis of Fungal Spores & Particulates by Optical Microscopy (Methods EMSL 05-TP-003, ASTM D7391) Lab Sample Number: Client Sample ID: Volume (L): Sample Location: 161506873-0007 MC5-007 26.4 CLASSROOM 303 161506873-0008 MC5-008 26.4 OUTDOOR FRONT OF BLDG 161506873-0009 MC5-009 0 FIELD BLANK Spore Types Raw Count Count/m³ % of Total Raw Count Count/m³ % of Total Raw Count Count/m³ % of Total Alternaria - - - - - - - - - Ascospores 1 80 33.3 9 700 77.8 - - - Aspergillus/Penicillium - - - - - - - - - Basidiospores 1 80 33.3 - - - - - - Bipolaris++ - - - - - - - - - Chaetomium - - - - - - - - - Cladosporium - - - 2 200 22.2 - - - Curvularia - - - - - - - - - Epicoccum - - - - - - - - - Fusarium - - - - - - - - - Ganoderma - - - - - - - - - Myxomycetes++ - - - - - - - - - Pithomyces - - - - - - - - - Rust - - - - - - - - - Scopulariopsis - - - - - - - - - Stachybotrys - - - - - - - - - Torula 1 80 33.3 - - - - - - Ulocladium - - - - - - - - - Unidentifiable Spores - - - - - - - - - Zygomycetes - - - - - - - - - Total Fungi 3 240 100 11 900 100 - No Trace - Hyphal Fragment - - - - - - - - - Insect Fragment - - - - - - - - - Pollen - - - - - - - - - Analyt. Sensitivity 600x - 76 - - 76 - - 0 - Analyt. Sensitivity 300x - 38* - - 38* - - 0* - Skin Fragments (1-4) - 1 - - 1 - - - - Fibrous Particulate (1-4) - 1 - - 1 - - - - Background (1-5) - 1 - - 1 - - - - Bipolaris++ = Bipolaris/Drechslera/Exserohilum Myxomycetes++ = Myxomycetes/Periconia/Smut Andrea Brooke, Microbiology Lab Manager or Other Approved Signatory High levels of background particulate can obscure spores and other particulates leading to underestimation. Background levels of 5 indicate an overloading of background particulates, prohibiting accurate detection and quantification. Present = Spores detected on overloaded samples. Results are not blank corrected unless othewise noted. The detection limit is equal to one fungal spore, structure, pollen, fiber particle or insect fragment. "*" Denotes particles found at 300X. *-* denotes not detected. EMSL maintains liability limited to cost of anaysis. This report relates only to the samples reported above and may not be reproduced, except in full, without written approval by EMSL. EMSL bears no responsibility for sample collection activities or analytical method limitations. Interpretation and use of test results are the responsibility of the client. Samples received in good condition unless otherwise noted. Samples analyzed by EMSL Analytical, Inc. Indianapolis, IN AIHA-LAP, LLC--EMLAP 157245 Initial report from: 05/05/2015 08:50:20 For Information on the fungi listed in this report please visit the Resources section at www.emsl.com Test Report SPVER3-7.30.4 Printed: 5/05/2015 08:50:20AM Page 3 of 3

American Council for Accredited Certification hereby certifies that Anthony Ritenour has met all the specific standards and qualifications of the re-certification process, including continued professional development, and is hereby re-certified as a CMI Council-certified Microbial Investigator This certificate expires on April 30, 2016. 1203037 Charles F. Wiles, Executive Director Certificate Number This certificate remains the property of the American Council for Accredited Certification.

AIHA Laboratory Accreditation Programs, LLC acknowledges that EMSL Analytical, Inc. 2001 East 52nd St, Indianapolis, IN 46205 Laboratory ID: 157245 along with all premises from which key activities are performed, as listed above, has fulfilled the requirements of the AIHA Laboratory Accreditation Programs (AIHA-LAP), LLC accreditation to the ISO/IEC 17025:2005 international standard, General Requirements for the Competence of Testing and Calibration Laboratories in the following: LABORATORY ACCREDITATION PROGRAMS INDUSTRIAL HYGIENE Accreditation Expires: 03/01/2015 ENVIRONMENTAL LEAD Accreditation Expires: 03/01/2015 ENVIRONMENTAL MICROBIOLOGY Accreditation Expires: 03/01/2015 FOOD Accreditation Expires: UNIQUE SCOPES Accreditation Expires: Specific Field(s) of Testing (FoT)/Method(s) within each Accreditation Program for which the above named laboratory maintains accreditation is outlined on the attached Scope of Accreditation. Continued accreditation is contingent upon successful on-going compliance with ISO/IEC 17025:2005 and AIHA-LAP, LLC requirements. This certificate is not valid without the attached Scope of Accreditation. Please review the AIHA- LAP, LLC website (www.aihaaccreditedlabs.org) for the most current Scope. Larry S. Pierce Chairperson, Analytical Accreditation Board Cheryl O. Morton Managing Director, AIHA Laboratory Accreditation Programs, LLC Revision 13: 03/12/2013 Date Issued: 05/31/2013

AIHA Laboratory Accreditation Programs, LLC SCOPE OF ACCREDITATION EMSL Analytical, Inc. Laboratory ID: 157245 2001 East 52nd St, Indianapolis, IN 46205 Issue Date: 05/31/2013 The laboratory is approved for those specific field(s) of testing/methods listed in the table below. Clients are urged to verify the laboratory s current accreditation status for the particular field(s) of testing/methods, since these can change due to proficiency status, suspension and/or withdrawal of accreditation. Environmental Microbiology Laboratory Accreditation Program (EMLAP) Initial Accreditation Date: 12/01/2004 EMLAP Category Field of Testing (FoT) Method Method Description (for internal methods only) Fungal Air - Culturable Bulk - Culturable Surface - Culturable Air - Direct Examination Bulk - Direct Examination Surface - Direct Examination M005 - Fungal Agar M005 - Fungal Agar M005 - Fungal Agar 05-TP-003.5 M041 M041 Standard Operating Procedure for the Analysis of Bulk Specimens or Swabs For Fungi by Culture on Agar Plates and The Analysis of Fungi from Air Samples Collected on Agar Plates Standard Operating Procedure for the Analysis of Bulk Specimens or Swabs For Fungi by Culture on Agar Plates and The Analysis of Fungi from Air Samples Collected on Agar Plates Standard Operating Procedure for the Analysis of Bulk Specimens or Swabs For Fungi by Culture on Agar Plates and The Analysis of Fungi from Air Samples Collected on Agar Plates Standard Operating Procedure for the Analysis of Airborne Fungal Spores, Hyphal Fragments, Pollen, Insect Fragments, Skin Fragments, and Fibrous Particulate by Optical Microscopy of Spore Trap Systems Standard Operating Procedure for the Microscopic Examination of Fungal Spores, Fungal Structures, Hyphae, Pollen, Insect Fragments, and Fibrous Material from Surface Samples Standard Operating Procedure for the Microscopic Examination of Fungal Spores, Fungal Structures, Hyphae, Pollen, Insect Fragments, and Fibrous Material from Surface Samples Effective: 03/12/2013 157245_Scope_EMLAP_2013_05_30.docx Page 1 of 2

EMLAP Category Field of Testing (FoT) Method Method Description (for internal methods only) Bacterial Air - Culturable Bulk - Culturable Surface - Culturable Legionella M009 M009 M009 05-TP-002.3 SOP for the Analysis of Bulk Specimens or Swabs for Bacteria by Culture on Agar Plates and The Analysis of Bacteria from Air Samples Collected on Agar Plates SOP for the Analysis of Bulk Specimens or Swabs for Bacteria by Culture on Agar Plates and The Analysis of Bacteria from Air Samples Collected on Agar Plates SOP for the Analysis of Bulk Specimens or Swabs for Bacteria by Culture on Agar Plates and The Analysis of Bacteria from Air Samples Collected on Agar Plates SOP for the Recovery of Legionella from the Environment using the CDC and Prevention's Culture Method A complete listing of currently accredited Environmental Microbiology laboratories is available on the AIHA-LAP, LLC website at: http://www.aihaaccreditedlabs.org Effective: 03/12/2013 157245_Scope_EMLAP_2013_05_30.docx Page 2 of 2

February 27, 2015 Laboratory ID: 157245 Richard Harding EMSL Analytical, Inc. 2001 East 52nd St Indianapolis, IN 46205 Dear Mr. Harding: AIHA Laboratory Accreditation Programs, LLC (AIHA-LAP, LLC) has approved an extension to your laboratory s current certificate of accreditation in the Industrial Hygiene Laboratory Accreditation Program (IHLAP), Environmental Lead Accreditation Program (ELLAP) and Environmental Microbiology Accreditation Program (EMLAP). This extension will expire on June 01, 2015. Remember that your laboratory must maintain proficiency per Policy Module 6 in order for the new certificate to be issued. Your laboratory remains an accredited laboratory in IHLAP, ELLAP and EMLAP. Please keep a copy of this letter with your expired certificate. If you have questions or concerns, please feel free to contact Patricia Sheehan, Laboratory Accreditation Specialist at (703) 846-0739. Sincerely, Cheryl O. Morton Managing Director AIHA Laboratory Accreditation Programs, LLC AIHA Laboratory Accreditation Programs, LLC 3141 Fairview Park Drive, Suite 777, Falls Church, VA 22042 USA main +1 703-846-0736 fax +1 703-207-8558 Twitter: @AIHA_LAP_LLC R3 04/18/2014 Page 1 of 1

Floor Plan Attachment 3

Mt. Washington Middle School Second Floor MC5-003 MC5-002 Legend Mold Air Sample Location N

Mt. Washington Middle School Third Floor MC5-004 MC5-005 Not in SOW Not in SOW MC5-006 MC5-007 MC5-001 MC5-008 Legend Mold Air Sample Location N

Photographs Attachment 4

Dry stain from suspect plumbing leak. Typical water stain from suspected roof leak (dry).

Typical affected paint from water intrusion (dry).