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ASBESTOS-CONTAINING MATERIALS SURVEY
BUILDING 500 Basement Interstitial
Martinsburg VA Medical Center
510 Butler Avenue Martinsburg, West Virginia 25405
Ms. Krista Bowen, Industrial Hygienist
BEC Project # WV15032
Fieldwork Conducted: February 9, 2016 & December 15, 2016
Final Technical Report Date: February 9, 2017
Prepared by:
| Middletown MD | ~ | Morgantown, | WV | |||||
| Corporate | Office: | 200 | W. | Main | Street, | Middletown, | MD | 21769 |
| Tel: | (301) | 694‐5687 | ~ | Fax: | (301) | 694‐9799 |
ENVIRONMENTAL SCIENCE, ENGINEERING & INDUSTRIAL HYGIENE SERVICES
ASBESTOS-CONTAINING MATERIALS SURVEY
BUILDING 500 Basement Interstitial
TABLE OF CONTENTS
SECTION I SITE DESCRIPTION 1.0
SECTION II ASBESTOS-CONTAINING MATERIALS SURVEY 1.0
SECTION III CONCLUSIONS & RECOMMENDATIONS 5.0
APPENDICES
APPENDIX A EMSL SAMPLE RESULTS & EMSL CHAIN OF CUSTODY
APPENDIX B SAMPLING LOG
APPENDIX C BEC STAFF QUALIFICATIONS
BOGGS ENVIRONMENTAL CONSULTANTS, INC.
Onsite Fieldwork Conducted By & Final Technical Report Reviewed By:
Derrick A. Klein Environmental Specialist State of West Virginia US EPA AHERA Asbestos Inspector (#AI008308) State of West Virginia US EPA AHERA Asbestos Inspector (#AI008781)
SECTION 1.0 SITE DESCRIPTION
Project Site: Building 500 Basement Interstitial
Requester Name: Ms. Krista Bowen, Industrial Hygienist
Requester Address: Department of Veteran Affairs
Subject Site Description & Scope of Work:
The subject site is Building 500 Basement Interstitial located on the campus at Martinsburg VA Medical Center at 510 Butler Avenue, Martinsburg West Virginia 25405, hereinafter referred to as the subject site.
BEC received authorization from Ms. Krista Bowen, Martinsburg VA Medical Center, Industrial Hygienist, to provide support services to update the existing asbestos-containing materials database developed by previous inspectors. Ms. Bowen requested the asbestos inspection to ensure compliance with United States Environmental Protection Agency’s (US EPA) and State of West Virginia regulations, prior to disturbance of building construction materials anticipated (scheduled) to occur during renovation activities and to update the inventory of asbestos-containing materials.
SECTION 2.0 ASBESTOS-CONTAINING MATERIAL SURVEY
BOGGS ENVIRONMENTAL CONSULTANTS, INC. (BEC) conducted an asbestos-containing building construction materials (ACBMs) re-inspection survey of the interior and exterior of the subject site to evaluate materials that were previously not sampled, collection and further evaluation of non-friable organically bound materials via Transmission Electron Microscopy (TEM), and updates of the existing locations and quantities of building construction materials. The asbestos inspection was conducted in accordance with the US EPA "Asbestos Hazard Emergency Response Act (AHERA) of 1986" (40 CFR Part 763) and the "Asbestos School Hazard Abatement Reauthorization Act (ASHARA) of 1992" (40 CFR Part 763, Appendix C-E, Model Accreditation Plan).
BEC staff members Mr. Derrick Klein, US EPA AHERA and State of West Virginia licensed asbestos inspector, conducted a preliminary field walk inspection for the purpose of developing an understanding of the previously sampled components and to identify any previously unidentified suspected asbestos-containing materials.
Subsequently, Mr. Klein collected multiple bulk samples of suspect ACBMs observed at the subject site on, February 9, 2016 & December 15, 2016.
FIELD SAMPLING
BEC advises, based upon current US EPA asbestos hazard control regulations, the minimum number of samples necessary to definitively determine the presence (or absence) of ACBMs is dependent on the nature and quantity of the suspect building construction material. Additionally, the US EPA has established a standardized schedule for bulk sample collection of suspect ACBMs based upon homogeneous areas.
BEC advises, based upon onsite visual inspection and bulk sampling activities, thirteen (13) samples of the suspect ACBMs were collected and submitted to the analytical laboratory which upon laboratory analysis revealed a total of thirteen (13) individual PLM/DS analyses were required due to multiple layered bulk samples. BEC advises, based upon US EPA asbestos analytical regulations, the laboratory analyst has the sole discretion/responsibility in determining whether the bulk sample is composed of one or multiple layers.
LABORATORY ANALYSIS
Pursuant to the field screen and bulk sample collection, BEC submitted the bulk samples to EMSL of Cinnaminson, New Jersey for asbestos content analysis. EMSL is accredited by the American Industrial Hygiene Association and the National Institute of Standards and Technology (NIST)-National Voluntary Laboratory Accreditation Program as proficient in the analysis of asbestos in bulk samples.
EMSL performed Polarized Light Microscopy with Dispersion Staining (PLM/DS) of the bulk samples in accordance with the “Method for the Determination of Asbestos in Bulk Building Materials” (US EPA. Method 600/R-93/116, July 1993).
BEC advises PLM/DS analysis revealed asbestos WAS DETECTED in the suspect ACBM bulk samples collected and submitted to EMSL. BEC provides the results of the PLM/DS analyses in Table A – Asbestos-Containing Material Testing Results:
TABLE A- ASBESTOS-CONTAINING MATERIAL TESTING RESULTS
HA# Sample # Material
Class.
Sampling Location
Building Construction Material
Asbestos (%)
1 BIS-2916-1 M
Supply Duct Between F12+E12 - F14+E14
White Duct Insulation Seam Sealant
2% Chrysotile
2 BIS-2916-2 M
Between F14+E14 -
F12+E12 Yellow Duct Tape Mastic None Detected
3 BIS-2916-3 M
Between F14+E14 -
F12+E12 Brown Metal Duct Seam
Sealant 2% Chrysotile
4 BIS-2916-4 M
Between F14+E14 -
F12+E12 Off-White Pipe Mastic None Detected
5 BIS-2916-5 M
Between F14+E14 -
F12+E12 White Joint Compound None Detected
6 BIS-2916-6 M
On Wall at F14 to
E14 Drywall None Detected
7 BIS-2916-7 M
Between F12 and
E12 Red Fire Stop None Detected
8 BIS-2916-8 S Wall at F14 Spray Applied Fire
Proofing None Detected
9 BIS-2916-9 M
Between G14 and
F14 Tan/Yellow Metal Duct
Seam Sealant None Detected
1 BIS-2916-10 M
Between G14 and
F14 White Duct Insulation
Seam Sealant None Detected
2 BIS-2916-11 M
Between G14 and
F14 Yellow Duct Tape Mastic None Detected
4 BIS-2916-12 M
Between G14 and
F14 Off-White Pipe Mastic None Detected
10 BIS-2916-13 M Between C2 and C3 Yellow Pin Mastic None Detected
See APPENDIX B – SAMPLING LOG for the comprehensive sampling log sheet complete with historical sampling data.
LABORATORY ANALYSIS (continued)
Upon receipt of PLM/DS laboratory data, EMSL was directed by Krista Bowen to conduct further analysis via “Gravimetric Reduction and Transmission Electron Microscopy” (ELAP 198.4) on eight (8) non-friable organically-bound (NOB) suspect materials reported as none-detected by PLM.
The request for TEM analysis is based upon the understanding that small asbestos fibers may be missed by PLM due to resolution limitations of the optical microscope. In addition, binding materials in certain building products can cause matrix interference, which may obscure underlying asbestos fibers from view and result in a false-negative analytical result. Therefore, PLM is not consistently reliable in detecting asbestos in NOB materials.
Quantitative transmission electron microscopy (TEM) is currently the only method that can definitively pronounce NOB materials as non-asbestos containing.
BEC advises TEM analysis revealed asbestos WAS DETECTED in the suspect NOB bulk samples submitted to EMSL. BEC provides the results of the NOB TEM analyses hereunder in Table B - Asbestos Survey NOB TEM Analytical Results.
TABLE B – ASBESTOS SURVEY - NOB TEM ANALYTICAL RESULTS
HA# Sample #
Class.
Sampling Location
Building Construction Material
Asbestos (%)
2 BIS-2916-2 M
Between F14+E14 -
F12+E12 Yellow Duct Tape Mastic None Detected
4 BIS-2916-4 M
Between F14+E14 -
F12+E12 Off-White Pipe Mastic None Detected
7 BIS-2916-7 M
Between F12 and
E12 Red Fire Stop None Detected
9 BIS-2916-9 M
Between G14 and
F14 Tan/Yellow Metal Duct
Seam Sealant None Detected
1 BIS-2916-10 M
Between G14 and
F14 White Duct Insulation Seam
Sealant None Detected
2 BIS-2916-11 M
Between G14 and
F14 Yellow Duct Tape Mastic None Detected
4 BIS-2916-12 M
Between G14 and
F14 Off-White Pipe Mastic 4.8% Chrysotile
10 BIS-2916-13 M Between C2 and C3 Yellow Pin Mastic None Detected
ASBESTOS SURVEY LIMITATIONS
The above limited inspection was characterized by close visual inspection of Building 500 Basement Interstitial, in accordance with US EPA regulations and generally accepted engineering work practices associated with the conduct of an asbestos survey. It is relevant to note, BEC did NOT conduct exploratory demolition to gain access to enclosed building conditions (e.g., wall cavities, pipe chases, HVAC ductwork shafts, ceiling plenums, etc.).
Additionally, BEC sampling strategy was designed to include materials not previously sampled and non-organically bound materials which were not evaluated via TEM. As such, BEC assumes no responsibility that the historical information provided is accurate or complete.
BEC collected random bulk samples of suspect ACBMs. BEC has made every effort to identify all locations and types of asbestos-containing construction materials. BEC asbestos survey sampling strategy included samples of the materials chosen at random. However, BEC advises, due to the inconsistencies of manufacturer processes and contractor installation methods, materials of similar construction may contain varied quantities of asbestos.
ASBESTOS SURVEY LIMITATIONS (continued)
Furthermore, BEC advises locating all asbestos-containing materials can only be definitively achieved by conducting exploratory demolition and sampling every section of pipe insulation, every fitting or valve covering, every square yard of fireproofing, and every square foot of other surface coating materials. Therefore, BEC makes no warranty, expressed or implied, that all asbestos has been found. Additionally, BEC recommends bulk sampling and analysis of all suspect ACBMs (not otherwise evaluated during this survey) encountered within a building area, prior to renovation or demolition.
SECTION 3.0 CONCLUSIONS AND RECOMMENDATIONS
CONCLUSIONS
1. BEC concludes, based upon onsite visual inspection, review of analytical data, and review of historical analytical data. US EPA-regulated ACBMs (defined as >1% asbestos content) were identified at the subject site and are listed in Table C – Asbestos-Containing Materials.
TABLE C: ASBESTOS-CONTAINING MATERIALS
Building Construction
Location
EPA
Regulated
OSHA
Regulated Estimated Quantity
White Duct Mastic Throughout Basement Interstitial YES YES TBD
Brown Metal Duct Seam Sealant
Throughout Basement Interstitial YES YES TBD
Off-White Pipe Mastic Throughout Basement Interstitial YES YES TBD
Yellow/Green/Brown Seam Sealant
Throughout Basement Interstitial YES YES TBD
*BEC advises that due to accessibility and extensive renovation history of the interstitial space that quantifying all locations of asbestos containing materials was not feasible.
2. BEC concludes, based upon review of US EPA and State of West Virginia law, specific regulations governing the disturbance, removal, and disposal of asbestos, DO APPLY to any work, of which is planned and/or can be reasonably anticipated to, result in the disturbance of the materials identified in the course of this inspection.
3. BEC concludes, based upon review of United States Occupational, Safety and Health Administration (Construction Industry-29 CFR 1926.1101 and General Industry-29 CFR 1910.1001) regulations governing non-occupational and occupational exposure to asbestos, DO APPLY to any renovation/demolition, housekeeping, maintenance and repair activities directly and/or indirectly impacting (disturbance/damage) the asbestos containing materials.
RECOMMENDATIONS
1. BEC recommends should the renovation activities result in the discovery of additional suspect ACBMs, halting all work activities with subsequent bulk sample collection and analysis of discovered ACBMs, to determine asbestos content.
2. BEC recommends, due to extensive renovation history and reinstallation of similar materials in both size/shape/color, that prior to any new renovation activities that collection of bulk sample of suspect ACBM’s to determine asbestos content.
APPENDIX A
EMSL SAMPLE RESULTS
EMSL CHAIN OF CUSTODY
EMSL Analytical, Inc.
200 Route 130 North Cinnaminson, NJ 08077
Phone/Fax: (800) 220-3675 / (856) 786-5974 http://www.EMSL.com / cinnasblab@EMSL.com
VAMD78
041603238
613-C60024
Asbestos Survey
EMSL Order ID:
Customer ID:
Customer PO:
Project ID:
Attn:
Proj: Basement Interstitial (Asbestos Survey)
Phone: (304) 263-3412
Fax: (304) 262-4881
Collected: 2/ 9/2016
Received: 2/11/2016
Analyzed: 2/24/2016
Krista Bowen
VA Medical Center
510 Butler Avenue
Martinsburg, WV 25405-9991
Summary Test Report for Asbestos Analysis of Bulk Material via EPA 600/R-93/116 Method via
Polarized Light Microscopy Client Sample ID:
Sample Description:
Lab Sample ID: 041603238-0001BIS-2916-1
500 Basement Interstitial b/w F12-E12- F14-E14/White Duct Insulation Seam Sealant
DateTEST Non-Fibrous Asbestos CommentColor Fibrous
Non-AsbestosAnalyzed
2/17/2016 0% 98% 2% ChrysotilePLM White
Client Sample ID:
Sample Description:
Lab Sample ID: 041603238-0002BIS-2916-2
500 Basement Interstitial b/w F14-E14 F12-E12/Yellow Duct Tape Mastic
DateTEST Non-Fibrous Asbestos CommentColor Fibrous
Non-AsbestosAnalyzed
2/17/2016 0% 100%PLM Yellow None Detected
2/24/2016 0.0% 100%TEM Grav. Reduction None DetectedYellow
Client Sample ID:
Sample Description:
Lab Sample ID: 041603238-0003BIS-2916-3
500 Basement Interstitial b/w F14-E14 F12-E12/Brown Metal Duct Seam Sealant
DateTEST Non-Fibrous Asbestos CommentColor Fibrous
Non-AsbestosAnalyzed
2/17/2016 0% 98% 2% ChrysotilePLM Brown
Client Sample ID:
Sample Description:
Lab Sample ID: 041603238-0004BIS-2916-4
500 Basement Interstitial b/w F14-E14 F12-E12/Off-White Pipe Mastic
DateTEST Non-Fibrous Asbestos CommentColor Fibrous
Non-AsbestosAnalyzed
2/17/2016 0% 100%PLM White None Detected
2/24/2016 0.0% 100%TEM Grav. Reduction None DetectedWhite
Client Sample ID:
Sample Description:
Lab Sample ID: 041603238-0005BIS-2916-5
500 Basement Interstitial b/w F14-E14 F12-E12/White Joint Compound
DateTEST Non-Fibrous Asbestos CommentColor Fibrous
Non-AsbestosAnalyzed
2/17/2016 0% 100%PLM White None Detected
Client Sample ID:
Sample Description:
Lab Sample ID: 041603238-0006BIS-2916-6
500 Basement Interstitial on Wall @ F14 to E14/Drywall
DateTEST Non-Fibrous Asbestos CommentColor Fibrous
Non-AsbestosAnalyzed
2/17/2016 20% 80%PLM White None Detected
Test Report:EPAMultiTests-7.32.2.D Printed: 2/24/2016 11:22PM Page 1 of 3
Phone/Fax: (800) 220-3675 / (856) 786-5974 http://www.EMSL.com / cinnasblab@EMSL.com
VAMD78
041603238
613-C60024
Asbestos Survey
EMSL Order ID:
Customer ID:
Customer PO:
Project ID:
Summary Test Report for Asbestos Analysis of Bulk Material via EPA 600/R-93/116 Method via
Polarized Light Microscopy Client Sample ID:
Sample Description:
Lab Sample ID: 041603238-0007BIS-2916-7
500 Basement Interstitial b/w F12- E12/Red Fire Stop
DateTEST Non-Fibrous Asbestos CommentColor Fibrous
Non-AsbestosAnalyzed
2/17/2016 0% 100%PLM Red None Detected
2/24/2016 0.0% 100%TEM Grav. Reduction None DetectedRed
Client Sample ID:
Sample Description:
Lab Sample ID: 041603238-0008BIS-2916-8
500 Basement Interstitial Wall @ F14/Spray Applied Fireproofing
DateTEST Non-Fibrous Asbestos CommentColor Fibrous
Non-AsbestosAnalyzed
2/17/2016 60% 40%PLM Gray None Detected
Client Sample ID:
Sample Description:
Lab Sample ID: 041603238-0009BIS-2916-9
500 Basement Interstitial b/w G14 & F14/Tan/ Yellow Metal Duct Seam Sealant
DateTEST Non-Fibrous Asbestos CommentColor Fibrous
Non-AsbestosAnalyzed
2/17/2016 0% 100%PLM Tan/Yellow None Detected
2/24/2016 0.0% 100%TEM Grav. Reduction None DetectedTan/Yellow
Client Sample ID:
Sample Description:
Lab Sample ID: 041603238-0010BIS-2916-10
500 Basement Interstitial b/w G14 & F14/White Duct Insulation Seam Sealant
DateTEST Non-Fibrous Asbestos CommentColor Fibrous
Non-AsbestosAnalyzed
2/18/2016 7% 93%PLM White None Detected
2/24/2016 0.0% 100%TEM Grav. Reduction None DetectedWhite
Client Sample ID:
Sample Description:
Lab Sample ID: 041603238-0011BIS-2916-11
500 Basement Interstitial b/w C14 & F14/Yellow Duct Tape Mastic
DateTEST Non-Fibrous Asbestos CommentColor Fibrous
Non-AsbestosAnalyzed
2/18/2016 0% 100%PLM Yellow None Detected
2/24/2016 0.0% 100%TEM Grav. Reduction None DetectedYellow
Client Sample ID:
Sample Description:
Lab Sample ID: 041603238-0012BIS-2916-12
500 Basement Interstitial b/w C14 & F14/Off-White Pipe Mastic
DateTEST Non-Fibrous Asbestos CommentColor Fibrous
Non-AsbestosAnalyzed
2/18/2016 7% 93%PLM White None Detected
2/24/2016 0.0% 95.2% ChrysotileTEM Grav. Reduction White 4.8%
Client Sample ID:
Sample Description:
Lab Sample ID: 041603238-0013BIS-2916-13
500 Basement Interstitial b/w C2 & C3/Yellow Pin Mastic
DateTEST Non-Fibrous Asbestos CommentColor Fibrous
Non-AsbestosAnalyzed
2/17/2016 0% 100%PLM Yellow None Detected
2/24/2016 0.0% 100%TEM Grav. Reduction None DetectedYellow
Test Report:EPAMultiTests-7.32.2.D Printed: 2/24/2016 11:22PM Page 2 of 3
OrderID: 041603238
OrderID: 041603238
Phone/Fax: (800) 220-3675 / (856) 786-5974 http://www.EMSL.com / cinnasblab@EMSL.com
VAMD78
041603238
613-C60024
Asbestos Survey
EMSL Order ID:
Customer ID:
Customer PO:
Project ID:
Summary Test Report for Asbestos Analysis of Bulk Material via EPA 600/R-93/116 Method via
Polarized Light Microscopy
Analyst(s):
PLM (10)Keishla Vazquez Caraballo
PLM (3)Patrick Carr
TEM Grav. Reduction (8)Wayne Froehlich
Benjamin Ellis, Laboratory Manager or Other Approved Signatory
Reviewed and approved by:
EMSL maintains liability limited to cost of analysis. This report relates only to the samples reported above and may not be reproduced, except in full, without written approval by EMSL. This test report must not be used to claim product endorsement by NVLAP or any agency of the U.S.
Government. EMSL bears no responsibility for sample collection activities or analytical method limitations. The laboratory is not responsible for the accuracy of results when requested to physically separate and analyze layered samples. PLM alone is not consistently reliable in detecting asbestos in floor coverings and similar NOBs
Samples analyzed by EMSL Analytical, Inc. Cinnaminson, NJ NVLAP Lab Code 101048-0, AIHA-LAP, LLC-IHLAP Lab 100194, NYS ELAP
10872, NJ DEP 03036
Initial report from: 02/18/201607:59:27
Test Report:EPAMultiTests-7.32.2.D Printed: 2/24/2016 11:22PM Page 3 of 3
APPENDIX B
SAMPLING LOG
Building #:
Date:
HA# Sample # Lab initials/Chain of Custody # Sample location Material Description
General Material Category or substrate Notes
Bldg # Floor Wing Space # Location of Sample Asb. Type Asb. Content
1 BIS‐2916‐1 41603238 500 Basement Interstitial Supply Duct Between F12+E12 ‐ F14+E14
White Duct Insulation Seam Sealant
Duct Insulation Seam Sealant Chrysotile 2% Throughout
2 BIS‐2916‐2 41603238 500 Basement Interstitial Between F14+E14 ‐
F12+E12 Yellow Duct Tape Mastic Duct Tape Mastic NAD NAD (Via TEM) Throughout
3 BIS‐2916‐3 41603238 500 Basement Interstitial Between F14+E14 ‐
F12+E12 Brown Metal Duct Seam
Sealant Metal Duct Seam
Sealant Chrysotile 2%
Under Fiberglass Insulation on Metal
Duct
4 BIS‐2916‐4 41603238 500 Basement Interstitial Between F14+E14 ‐
F12+E12 Off‐White Pipe Mastic Pipe Mastic NAD NAD (Via TEM)
5 BIS‐2916‐5 41603238 500 Basement Interstitial Between F14+E14 ‐
F12+E12 White Joint Compound Joint Compound
(Drywall) NAD NAD On F14 ‐ E14 Wall 6 BIS‐2916‐6 41603238 500 Basement Interstitial On Wall at F14 to E14 Drywall Drywall NAD NAD On F14 ‐ E14 Wall 7 BIS‐2916‐7 41603238 500 Basement Interstitial Between F12 and E12 Red Fire Stop Fire Stop NAD NAD (Via TEM) Spot Locations
8 BIS‐2916‐8 41603238 500 Basement Interstitial Wall at F14 Spray Applied Fire Proofing Spray Applied Fireproofing NAD NAD On All Columns
9 BIS‐2916‐9 41603238 500 Basement Interstitial Between G14 and F14 Tan/Yellow Metal Duct
Seam Sealant Duct Seam Sealant NAD NAD (Via TEM)
1 BIS‐2916‐10 41603238 500 Basement Interstitial Between G14 and F14 White Duct Insulation Seam
Sealant Duct Insulation Seam Sealant NAD NAD (Via TEM)
2 BIS‐2916‐11 41603238 500 Basement Interstitial Between G14 and F14 Yellow Duct Tape Mastic Duct Tape Mastic NAD NAD (Via TEM) 4 BIS‐2916‐12 41603238 500 Basement Interstitial Between G14 and F14 Off‐White Pipe Mastic Pipe Mastic Chrysotile 4.8% Via TEM 10 BIS‐2916‐13 41603238 500 Basement Interstitial Between C2 and C3 Yellow Pin Mastic Pin Mastic NAD NAD (Via TEM) On Supply Cold
11 120711500BICENB001 191112347 500 Basement Interstitial Basement Interstitial Rockwool Duct Insulation Insulation NAD NAD 11 120711500BICENB002 191112347 500 Basement Interstitial Basement Interstitial Rockwool Insulation Insulation NAD NAD
11 120711500BICENB003 191112347 500 Basement Interstitial Basement Interstitial Rockwool Insulation Debrirs Insulation NAD NAD
1 102708SPDCEWB001 101593‐0 500 Basement Interstitial Basement Interstitial White Duct Mastic Duct Mastic Chrysotile 2‐3% 1 102708SPDCEWB002 101593‐0 500 Basement Interstitial Basement Interstitial White Duct Mastic Duct Mastic Chrysotile 2‐3% 1 102708SPDCEWB003 101593‐0 500 Basement Interstitial Basement Interstitial White Duct Mastic Duct Mastic Chrysotile 2‐3% 1 102708SPDCEWB004 101593‐0 500 Basement Interstitial Basement Interstitial White Duct Mastic Duct Mastic Chrysotile 2‐3% 1 102708SPDCEWB005 101593‐0 500 Basement Interstitial Basement Interstitial White Duct Mastic Duct Mastic Chrysotile 2‐3%
2/9/2016 & 12/15/16
Lab Results
Sampling Log Sheet BEC Inspector: Derrick Klein 500 ‐ Basement Interstitial
APPENDIX C
BEC STAFF QUALIFICATIONS
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