Chain of custody for air samples from 125 Water Street,

NYC 9/11 Public Portal Document

.• ttn: I-red Burkhardt Received: 9/ 16/02 4:30:00 P vl ATC Associates Inc. ATC Group #: 8845 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 (TENT) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) .•I nulytical .4sbestus rea Non .asbestos # Structures Sensitivity Conc•entrution Sunrple Vultuae .-Ina/r;ed 4sb Type(s) 11.3N-5 5N CS/cc.) (Jinim') (S/cc) Notes

20 2600.00 0.0450 0 None Detected 0 0 0.0033 <22.24 <0.0033 SSa5 -/7

21.. 2600.00 0.0450 0 CHRYSOTILE 0 1 0.0033 22.24 0.0033 8545 -/.Y

112 2600.00 0.0450 0 CHRYSOTILE 0 I 0.0033 22.24 0.0033 . $ .I9

2; 2600.00 0.0450 0 None Detected 0 0 0.0033 <22.24 <0.0033 SS5 •'0

-'1 2600.00 0.0450 0 None Detected 0 0 0.0033 <22.24 <0.0033

- 26i ) IN) 0 045 0 CHRYSOTILE 1 I 0 0033 41.15 0.0066 ,%.S4 .

26 2600.00 0.0450 0 None Detected 0 0 0.0033 <22.24 < 0.0033 ,845 •-.

27 2600.00 0.0450 0 CHRYSOTILE I 0 0.0033 22.24 0.0033 8543 -?4

2S 2600.00 0.0450 0 CHRYSOTILE 0 1 0.0033 22.24 0.0033 SSIS -2

MARK PEYSAKHOV MICHAEL.-\ GORYCKI. Phi)

~nulo;cd b~ ~~~ ~ ~~ .approved by

Disclaimer The Iaooratory is not responsible for data reported in struc:ures/c . which is dependent on volume collected by non-laboratory personnel. This lab is only resoonsible for data reported .n structures/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 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.

Accredited for NVLAP PLMITEM #101187-0, NY State ELAP #10879

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NYC-WTC 000129877