Chain of custody and cover letter for transmission electron microscopy analysis of air samples from apartments at 125 Liberty Street.
NYC-WTC_000131492–000131727
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Attn: Benjamin Sallemi Received: 10/29/02 7:00:00 AM ATC Associates Inc. ATC Group #: 9041 104 East 25th Street Analysis Date: 10/30/02 New York NY 10010 Fax: (212) 353-3599 Phone: (212) 353-8280 Project: DEP Clean-up ATC Project #: 22906-0002 125 Cedar Street, New York, NY
Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA/MODIFIED AHERA) Analytical Total Asbestos Asbestos Area Non Asbestos # Structures Sensitivity Concentration Concentration Sample Volume Analyzed Ash Type(s) O.S,u-5 5,u (S/cc) (S/mm') (S/cc) (S> 5w/cc)
11 3600.00 0.2473 46 None Detected 0 0 0.0004 <4.04 <0.0004 < 0.0004 9041 -8 T
12 3600.00 0.2473 31 CHRYSOTILE 1 2 0.0004 12.13 0.0013 - 0.0009 9041 -9
13 3600.00 0.2473 56 CHRYSOTILE 1 4 0.0004 20.22 0.0022 0.0017 9041 -!0
14 3600.00 0.2473 24 CHRYSOTILE 1 0 0.0004 4.04 0.0004 < 0.0004 9041 -11
15 3600.00 0.2473 16 CHRYSOTILE 0 1 0.0004 4.04 0.0004 0.0004
• 041 -12
16 3600.00 0.2473 36 CHRYSOTILE 0 1 0.0004 4.04 0.0004 0.0004 9041 -13
17 3600.00 0.2473 30 None Detected 0 0 0.0004 <4.04 <0.0004 < 0.0004 9041 -14
18 3600.00 0.2473 29 CHRYSOTILE 0 2 0.0004 8.09 0.0009 0.0009 9041 -15
19 3600.00 0.2473 02 CHRYSOTILE 24 8 0.0004 129.41 0.0138 0.0035 9041 -16
ROMAN PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.
Analyzed by: proved.l?y:
Disclaimer. The laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboratory personnel. This lab ponsible for data reported in strurxureslmma. 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 9101187-0, NY State ELAP #10879
Wednesday, October 30, 2002 Page 2 of 3
NYC-WTC 000131495
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