W911SG25BA012 Bldg 114 Asbestos Analysis Survey.pdf
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- Building 114 Repair/Replace Roof
- Solicitation number
- W911SG25BA012
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This is a PLM Bulk Asbestos Analysis Report conducted by Micro Analytical Services, Inc. for Cherokee Nation 35, LLC regarding Building 114 Roof Top at Fort Bliss, Texas. The laboratory testing was performed using Polarized Light Microscopy with Dispersion Staining in accordance with EPA methods 40 CFR Appendix E to Subpart E of Part 763 and EPA-600/R-93/116 for determining asbestos in bulk building materials. The analysis was completed on May 21, 2025, under MAS Job Number 19800-00 by analyst Tony T. Dang at the NVLAP-accredited facility (Lab Code: 200618-0) and Texas-licensed laboratory (License No. 30-0341).
Six samples were collected and analyzed from the building's roofing materials, including three black fibrous roof shingle samples with pebbles (114-01 through 114-03) and three black fibrous roof penetration samples (114-04 through 114-06). All six samples tested negative for asbestos content. The roof shingle samples contained 30% aggregate, 30% fibrous glass, and 40% asphalt, while the roof penetration samples consisted of 20% aggregate, 30% cellulose, and 50% asphalt. The laboratory noted that samples would be retained for 30 days and that some materials, particularly floor tiles, may contain asbestos fibers too thin for detection by this method.
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Micro Analytical Services, Inc. 11301 Richmond Ave. Ste.K100B♦Houston♦Tx 77082♦Phone(281)497-4500♦Fax(281)497-4517
NVLAP Lab Code: 200618-0 TDSHS License No. 30-0341
PLM BULK ASBESTOS ANALYSIS REPORT
CLIENT: Cherokee Nation 35, LLC MAS JOB NO.: 19800-00
PROJECT: Bldg. 114 Roof Top REPORT DATE: May 21, 2025
IDENTIFICATION: Asbestos, Bulk Sample Analysis, Quantitation by Visual Area Estimation
TEST METHOD: Polarized Light Microscopy with Dispersion Staining EPA - 40 CFR Appendix E to Subpart E of Part 763, Interim Method of the Determination of Asbestos in Bulk Insulation Samples EPA - 600/R-93/116: Method for the Determination of Asbestos in Bulk Building Material
STATEMENT OF LABORATORY ACCREDITATION
These samples were analyzed at Micro Analytical Services, Inc. in the Asbestos Laboratory at 11301 Richmond Ave. Suite K100B, Houston, Texas, 77082. The Laboratory holds accreditation from the National Institute of Standards and Technology under the National Voluntary Laboratory Accreditation Program (NVLAP). This laboratory is also licensed and authorized to perform as an Asbestos Laboratory in the State of Texas within the purview of Texas Civil Statutes, Article 4477-3a, as amended, so long as this license is not suspended or revoked and is renewed according to the rules adopted by the Texas Board of Health.
The samples were analyzed in general accordance with the procedures outlined in the EPA - 40 CFR Appendix E to Subpart E of Part 763, Interim Method of the Determination of Asbestos in Bulk Insulation Samples, EPA - 600/R-93/116: Method for the Determination of Asbestos in Bulk Building Material, under AHERA, for the analysis of asbestos in building materials by polarized light microscopy. The results of each bulk sample relate only to the material tested as submitted to the laboratory and the results shall not be used to claim product endorsement by NVLAP or any agency of the U.S.
Government.
Specific questions concerning bulk sample results shall be directed to the Asbestos Bulk Laboratory at Micro Analytical Services, Inc.
Analyst: Tony T. Dang
Approved Signatory:
Micro Analytical Services, Inc. 11301 Richmond Ave. Ste. K100B♦Houston♦Texas 77082♦Phone(281) 497-4500♦Fax(281) 497-4517
Samples have been analyzed by the EPA - 40 CFR Appendix E to Subpart E of Part 763, Interim Method of the Determination of Asbestos in Bulk Insulation Samples, EPA - 600/R-93/116: Method for the Determination of Asbestos in Bulk Building Material. The test results herein relate only to the sample submitted and analyzed. This report may only be reproduced in full with the approval of the Bulk Asbestos Laboratory of Micro Analytical Services (MAS). The above percentages are visual estimates of area percent. MAS is not responsible for any errors resulting from improper or incorrect sampling or shipping procedures. These samples will be retained for a period of 30 days. Accreditation by NVLAP in no way constitutes or implies product certification, approval, or endorsement by NIST. Some materials, especially floor tiles, contain asbestos fibers too thin to be detected by this method. NVLAP Lab Code: 200618 TDSHS License: 30-0341
Analyzed by: Tony Dang Approved NVLAP Signatory: Tony Dang
Polarized Light Microscopy Analysis
Cherokee Nation 35, LLC MAS Project #: 19800-00 DPW-Environmental Div. Date Received: 05/19/2025 Fort Bliss, Tx 79916 Date Analyzed: 05/21/2025
Project Name: Bldg. 114 Roof Top Field ID/ Layer # Sample Description Asbestos Asbestos Non-Asbestos Lab ID Detected? Constituents Constituents (Yes/No) (%) (%) 114-01 1 Black fibrous roof shingle No 30% Aggregate MAS603992 with pebbles 30% fibrous Glass 40% Asphalt 114-02 1 Black fibrous roof shingle No 30% Aggregate MAS603993 with pebbles 30% fibrous Glass 40% Asphalt 114-03 1 Black fibrous roof shingle No 30% Aggregate MAS603994 with pebbles 30% fibrous Glass 40% Asphalt 114-04 1 Black fibrous roof penetration No 20% Aggregate MAS603995 30% Cellulose 50% Asphalt 114-05 1 Black fibrous roof penetration No 20% Aggregate MAS603996 30% Cellulose 50% Asphalt 114-06 1 Black fibrous roof penetration No 20% Aggregate MAS603997 30% Cellulose 50% Asphalt
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