Chain of custody for air samples from 125 Water Street,

NYC 9/11 Public Portal Document

Attn: Fred Burkhardt • Received: 9/17,02 8:00:00 AM ATC Associates Inc ATC Group #: 8847 104 East 25th Street Analysis Date: 9. 1902 \ew. York NY 10010 Fax: (212)353-3599 Phone: 1212) 353-S280 Project: DEP Clcaan-up Project =: 22906-0002 I25 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) r2S.a-S 5p (S/cc) (S/,nrn') (S/cc) Notes

S 2200.00 0.0450 0 None Detected 0 0 0.0039 <22.24 <0.0039 834' -S

- 2210.00 0.0450 0 None Detected 0 0 0.0039 < 22.24 <0.0039 5847 -9

t1t 2220 00 0.0450 0 None Detected 0 1) ., 22.24 1) 0039 =0.0039

•

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by: roved by:

Disclaimer The laboratory is not responsible for data reported in structuresfcc, which is dependent on volume collected by non-laboratory personnel. Th is o ly responsible for data reported in structureslmm' This report may not be reproduced, except in full, without written approval by ATC Associates Inc. This report may not be used to claim oroauct 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%

0 confidence limits and laboratory and analysis accuracy and precision) is available upon request.

~cc:editea for NVLAP PLMITEM #101187.0, NY State ELAP X10879

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NYC-WTC 000129887