Chain of custody for air samples from 125 Water Street,

NYC 9/11 Public Portal Document

ATC Associates 104 East 2i;Street, New York, NY 10010 Phone:(2t ) 353-8280 Fax:(212)353-8306 •

• Attn: Benjamin Sallemi 10/3/02 Received: 8:00:00 AM ATC Associates Inc. ATC Group #: 8928 104 East 25th Street Analysis Date: 10/3/02

New York NY 10010 Fax: (212)353-3599 Phone: (212)353-8280

Project: DEP Clean-up ATC Project #: 22906-0002

• 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 Asb Type(s) O.Sp-S 5p (S/cc) (S/mm') (S/cc) Notes Sample Volume Analyzed

1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 1 8928 -1

0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 2• 1800.00 8928. -2

0.0450 0 NoneDetected 0 0 0.0048 <22.24 <0.0048 3 1800.00 •

8928•-3

0.0450 0 None Detected 0 0 0.0047 < 22.24 <0.0047 4 1804.00 .8928 -4

0 None Detected 0 0 0.0047 < 22.24 <0.0047 1804.00 0.0450 8928 -5

MICHAEL A. GORYCKI, Ph.D. MARK PEYSAKHOV roved by: Analyzed bv:

collected by non-laboratory personnel. This lab is only responsible Oisclalmer The !aooratory is not responsible for data reported in structuresicc, which is dependent on volume may not be reproduced. except in full, without written approval oy ATC Associates Inc. This report may not be used to claim for data reported in structuresrmm' This report reports relates oniy ;o the Vmples reported above. Quality control data (including 95% proauct enoosement oy NVLAP or any cther agency of the U S Government. This ccn(oeAce.limits and laboratory ano analysts accuracy and precision) is availaole upon request.

Accredi)eolor NVLAP PLMITEM x101187-0. NY State ELAP 410879

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