Chain of custody for air samples from 125 Water Street,

NYC 9/11 Public Portal Document

ATC Associates 104 East 25 Street, New York, NY 10010 v V Phone:(212) 353-32S0 Fax:(212) 353-8306

Attn: Fred Burkhardt Received: 8/17/02 8:00:00 AM ATC Associates Inc. ATC Group ##: 8846 104 East 25th Street Analysis Date: 9/19/02 New York NY 10010

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

Project: DEP Cleaan-up Project #: 22906-0002 125 Cedar Street, New York, NY

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 Volume ,analyzed Ash Type(s) 0.5,r-5 5/r (S/cc) (S/nun') (S/cc) Notes

tl•'' 2410.00 0 0450 0 None Detected 0 0 0.0036 ; 2 2.24 <0.0030 -r

04: 2410.0) 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 5446 -2

5 2400.00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 8846 -3

06 2400.00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 8346 -4

07 2400.00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 8846 -5

uS 2400.00 0.0450 0 None Detected 0 0 0.0036 < 22.24 <0.0036 NS46 -6

1t t 2_410 00 0 0450 0 None Detected 0 0 0.0036 ' 22 24 <I) 0036

ROMAN PEYSAKH9V MICHAEL A. GORYCKI, Ph.D.

Analyzed bv: / Pprov`d by.

Disclaimer The laboratory is not responsible for data reported in structures/cc, which is dependent on volume Ilected by non-laboratory personnel. This lab is only responsible for data reported in structures/mm1. This report may not be reproduced, except in full, without written approval by ATC Associates Inc. This report may not be used to claim product endorsement by NVLAP 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.

Accreditea for NVLAP PLM/TEM :10118'-0. NY State ELAP x10879

PuL•r / o/''

NYC-WTC 000129880