NYC-WTC_000219989

NYC 9/11 Public Portal Document

KA« CONSULTANTS 35-40 36th Street Long Island City NewYork.tHOS Tel:(718 729-W Fax: 718 729-1876

BULK SAMPLE ANALYSIS REPORT CLIENT: NYC-DCAS BUILDING ADDRESS: 14-22 Reade Street, Manhattan PROJECT#: Client Sample IDi^ 12B 12C 13A 13B 14A

Lab Sample ID# 010905B-185 010905B-186 010905B-187 010905B-188 010905B-189

Sample Location Machine Room # i Machine Room #1 Viacfiine Room ?1 Machine Room # 1 Machine Room #!

Homogeneity Yes Yes Yes Yes Yes

Sample Description Roof Membrane Roof Membrane Base Flashing Base Flashing Base Flashing 2nd Layer 3rd Layer I st Layer 2nd Layer 1st Layer

Color Blue Blk Blk Blk Blk

Texture Non Fibrous Mixed Fibrous Mixed Fibrous

Sample Treatment Acid Digestion Acid Digestion None Acid Digestion None & Ashing & Ashing & Ashing Asbestos Present- (Type & Percent) ND ND ND 9 52%CHR ND Total Percent Asbestos: 0% 0% 0% 9.52% 0% Other Fibr. Mat. (Type & Percent)- 0% 30%FBGL 90%FBGL 0% 95%FBGL Non Fibr Mat (Percent). 100% 70% 10% 90 48% 5% Date Received 9/5/01 Date of Analysis 9/6/01 Date of Report 9/7/01

Analyst: Lab Mana r: 1 M. Ulanecki David Chen * Analysis of samples is performed bv 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 m 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-NyLAP n 102047 AIHA #: 100269

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NYC-WTC_000219989