Chain of custody for air samples from 125 Water Street,

NYC 9/11 Public Portal Document

ATC Associates 1(f4 East 25 Street, New York, NY 10010 - Phone:(212) 353-8280 Fax:(212) 353-8306 V • Attn: Fred Burkhardt Received: 9/19/02 8:00:00 Art ATC Associates Inc. ATC Group #: 8862 104 East 25th Street Analysis Date: 9/21/02 New York NY 10010 Fax: (212) 353-3599 Phone: (212) 353-8280 Project: DEP Cleaan-up Project #: 22906-0002

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area Von Asbestos # Structures Sensitivity Concentration Sample Volume Analyzed Asb Type(s) 0 Sp-S 5p (S/cc) (S/mm') (S/cc) tVotes

113 1440.00 0.0562 0 None Detected 0 0 0.0048 < 17.79 <0.0048 8862 -/

04- 1440.00 0.0562 0 None Detected 0 0 0.0048 < 17.79 <0.0048 8862 -2 -

S 5 1440.00 0.0562 0 None Detected 0 0 0.0048 < 17.79 <0.0048

06 1440.00 0.0562 0 None Detected 0 0 0.0048 < 17.79 <0.0048 8862 -4

117 1440.00 0.0562 0 None Detected 0 0 0.0048 < 17.79 <0.0048 8862 -i

os. • 144000 0.0562 0 None Detected 0 0 0.0048 <1779 <0.0048 • 6b2 -o

I0 1446.00 00562 0 None Detected 0 0 0.0047 < 17.79 <0.0047 8562 -'

MARK PEYSAKHOV MICHAEL A. GORYCKI, Ph.D

Analyzed by: _ sue proved by: - --- -

Disclaimer The laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboratory personnel. This la is only responsible lotdata reported in structures/mm' This report may not be reproduced, except in full, without written approval by ATC Associates Inc. This report may not be used :o 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 (inctuaing 95% confidence limits and laboratory and analysis accuracy and precision) is available upon request.

Accreaneo'or NVLAP PLWTEM +.01187-0. NY State FLAP $10879

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