Chain of custody for air samples from 125 Water Street,

NYC 9/11 Public Portal Document

ATC Associates _ y 3 104 East 25 Street, New York, NY 10010 Phone: (212) 353-8280 Fax: (212) 353-3306

Attn: Benjamin Sallemi Received: 9/27!02 8:00:00 AM ATC Associates Inc. ATC Group #: 8900 104 East 25th Street Analysis Date: 9/27/02 New York NY 10010 Fax: (212)353-3599 Phone: (212)353-8280 Project: DEP Clean-up Project #: 22906-0002 125 Cedar Street, New York, NY

Asbestos Fiber Analysis by Transmission Electron Microscopy (TENT) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) .4nalytical .4sbestos .Area Nun .-tshestes # Structures Sensitivity Concentration Sample Volume Analyzed Asti Type() O.Sp-S Sr (S/cc (Simm'j (S/cc) Notes

03 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.004S 8900 -/

04 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 ~•- 8900 -' ._.- 5 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 900 -3

06 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 8900 -4

07 1800.00 0.0450 0 None Detected, 0 0 0.0048 <22.24 <0.0048 8900 -5

MARK PEYSAKHOV MICHAEL A. GORYCKI. Ph.D.

Analyzed b Approved by:

Cisdaimer The laooratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboratory personnel. This lab is n y responsible for aam reposed in structureslmm'. This report may not be reproduced, except in full, without written approval oy 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 !o the samples repgrted above. Quality control data rinc:uding 95% confidence limits and laboratory ano analysis' accuracy and precision) is available upon request

:ccreai[ea for NVLAP P! MITEM #101187.0. NY State ELAP 410879

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