NYC-WTC_000202841

NYC 9/11 Public Portal Document

ATC Associates 104 East 25 Street, New York, NY’ 10010 Phone; (212) 353-8280 Fax;(212)353-8306

Attn; Benjamin Sallemi Received: 10/2/02 8:00:00 AM ATC Associates Inc. ATC Group#: 8923 104 East 25th Street Analysis Date: 10/2/02 New York NY 10010

Fax: (212) 353-3599 Phone: (212) 353-8280

Project; DEP Clean-up ATC Project ?: 22906-0002 125 Cedar Street, New York, NY

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed i by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area Non Asbestos # Structures Sensitivity Concentration Sample k'olume Analyzed Asb Type(s) 0.5ft-5 5fl (S/cc) (S/mm^) (S/cc) Notes

1 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8923 -I

180,00 0.4384 0 None Detected 0 0 0.0049 <2.28 <0.0049 S923 -2

4 80.00 0.4384 0 None Detected 0 0 0.0049 <2,28 <0.0049 i'923 -3

4 1804,00 0.0450 0 None Detected 0 0 0.0047 <0.0047 i’923 -I

5 1804.00 0.0450 0 None Detected 0 0 0,0047 <0.0047 8923 -5

MARK PEYSAKHOV MICHAEL A. GORYCKl, Ph.D.

Analyzed by: Apcrovcd by:

Disclaimer: The laboratory is not responsible for data reported in structuresrcc, which is dependent on volume collected oy non-laboratory personnel. This laO^srtly responsible lor data reported in slnjaureslmmA This report may not be reproduced, except in full, without written approval by ATC Associates Inc. This repon may not be used to claim product endorsement by NVLAP or any other agency of the U.S. Government. This report! relates only to the samples reported above. Quality control data (including 95% confidence limits and laboratory and analysis' accuracy and precision) is available upon request.

Accredited forNVLAP PLM/TE.M #101187-0, NY State ELAP #10879

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