NYC-WTC_000206587

NYC 9/11 Public Portal Document

ATC Associates 104 East 25 Street, New York, NY 10010 Phone: (212) 353-8280 Fax:(212)353-8306 awe Attn: Mr. Fabio Pedone Received: 7/13/02 7:15:00 PM Warren & Panzer Engineers , P.C. ATC Group#: 8489 228 E. 45th Street Analysis Date: 7/14/02 New York NY 10017 Fax: (212) 922-0630 Phone: (212)922-0077 Project: NYC DEP, W&P# 1079.01.02 26 Warren Street

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area Non Asbestos # Structures Sensitivity Concentration Sample Colume Analyzed Asb Type(s) O.Sp-5 (S/cc) (S/mmy (S/cc) Notes

0! 2160.00 0.0450 0 None Detected 0 0 0.0040 <22.24 <0.0040 8489 -1

02 2160.00 0.0450 0 None Detected 0 0 0.0040 <22.24 <0.0040 8489 -2

03 2160.00 0.0450 0 None Detected 0 0 0.0040 <22.24 <0.0040 8489 -3

04 2160.00 0.0450 0 None Detected 0 0 0.0040 <22.24 <0.0040 8489 -4

05 2160.00 0.0450 0 None Detected 0 0 0.0040 <22,24 <0.0040 8489 -5

ROMAN PEYSA] MICHAEL A. GORYCKI, Ph.D.

Analyzed by; "oved by:

1 Disclaimer: The laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboratory personnel. This lab is only responsible for data reported in structurss/mmt This report may not be reproduced, except in full, without written approval by ATC Associates Inc. This report may not be used to claim i product endorsement by NVtAP or any other agency of the U.S. Government. This reports 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. I

Accredited for NVLAP PLMfTEM #101187-0, NY State ELAP #10879 I Page 1 of 1

CITY_21MC1OO_OO2993816

NYC-WTC_000206587