Chain of custody for asbestos air samples, Sept 2002

NYC 9/11 Public Portal Document

Attn: Fred Burkhardt Received: 9/16/02 4:30:00 PM

ATC Associates Inc. ATC Group#: 8844 104 East 25th Street Analysis Date: 9/18/02 New York NY 10010

Fax; (212) 353-3599 Phone: (212)353-8280 Project: DEP Cleaan-up Project 7: 22906-0002 125 Cedar Street, New York. NY'

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR P^rt 763 Final Rule (AHERA) Analytical Asbestos Area Non Asbestos # Structures Sensitivity Concentration Sample l^olume Aiiatyzeil Asb Type(s) d.5M-5 Sfi (S/ce) (S/mm^) (S/cc) Notes

II 2400.00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 8844 -8

12 2400.00 0.0450 0 None Detected 0 0 0,0036 <22.24 <0.0036 8344 -9

13 2400 00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0 0036 3344 -III

■14 2300.00 0 0450 0 chrysotile 0.0037 44.48 0.0074 10^44 -I

15 2400.00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 3844 -12

16 2390.00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 S&44 -IS

17 2390.00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 8344 -14

IS 2380.00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 8844 -15

19 2370 00 00450 0 None Detected 0 0 0.0036 <22.24 <0.0036 3344 -16

MARK PEYSAKHOV MICHAELA. GORYCKl. Ph.D.

Analyzed by: ipproved by:

Oisclaimet: The laboratory is not responsible for data reported in structuresicc. which is dependent on volume collected by non-laboratory personnel. Thislab Is only respons lor data reported in stpjctures/mm' 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. Govemmert 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 PLMfTEM #101187-0, NY State ELAP #10879

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NYC-WTC_000177492