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NYC-WTC_000219992

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000219992
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NYC 9/11 Public Portal Document

KAWCONSUJANTS 35-40 36th Street Long Island City MewYork.11106 Tel: (718)729-1997 Fax; (718)729-1876

BULK SAMPLE ANALYSIS REPORT CLIENT: NYC-DCAS BUILDING ADDRESS: 14-22 Reade Street, Manhattan PROJECT#: Client Sample ID# 29C 30A 30B 30C 3IA Lab Sample ID- 010905B-225 010905B-226 010905B-227 010905B-228 010905B-229

Sample Location Roof'B" Roof'B" Roof'B" Roof'B'' Roof'B"

Homogeneity Yes Yes Yes Yes Yes

Sample Description Roof Membrane Roof Membrane Roof .Membrane Roof Membrane Base Flashing 3rd Laser Gt Layer 2nd Laser 3rj L as er I st Layer

Color Blk Blk Blue Blk Blk

Texture Mixed Fibrous Non Fibrous Mixed Mixed

Sample Treatment Acid Digestion None Acid Digestion Acid Digestion Acid Digestion & Ashing & Ashing & Ashing & Ashing Asbestos Present (Type & Percent) ND ND ND ND 1.37%CHR Total Percent Asbestos: 0% 0% 0% 0% 1.37%

Other Fibr Mat (Type & Percent) 60%FBGL 95%FBGL 0% 35%FBGL 0% Non Fibr. Mat (Percent): 40% 5% 100% 65% 98 63% Date Received. 9/5/01 Date of Analysis 9/6/01 Date of Report 9/7/01

Analyst: |V\ ■ Q 1 Ct Lab Manager: M. Ulanecki David Chen * Analysis of samples is performed by Polarized Light Microscopy (PLM) - Point Counting Method (EPA 600/M4-82-020) * Analytical equipments: Stereobinocular microscope (MEIJI EMT-Serial # 25930), Polarized Light Microscope (MEIJI ML-POL-Serial # 88034) * PLM is not consistently reliable in detecting asbestos in floor coverings and similar non-friable organically bound materials. Quantitative transmission electron microscopy is currently the only method that can be used to determine if this material can be considered or treated as non-asbestos-containing * Samples will be stored for ninety (90) days and then returned to the client upon request * The results relate only to the items calibrated or tested. * The certificate of report shall not be reproduced without the written approval of the laboratory. * The report must not be used by the client to claim endorsement by NVLAP or any agency of the US Government. NYS-DOH ELAP #11273 NIST-N^LAP # 102047 AIHA #: 100269

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NYC-WTC_000219992

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NYC-WTC_000219992Source: NYC Law Department, mirrored locally

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