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: 10/28/02 1:20:00 AM ATC Associates Inc. ATC Group #: 9035 • 104 East 25th Street Analysis Date: 10/29/02 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 Asb Type(s) 0.5µ-S Sµ (S/cc) (S/mm°) (S/cc) (S> 5,4w/cc)
35 3600.00 0.2473 33 CHRYSOTILE 1 0 0.0004 4.04 0.0004 < 0.0004 9035 -35
36 3600.00 0.2473 6 None Detected 0 0 0.0004 <4.04 <0.0004 < 0.0004 9035 -36
37 3600.00 0.2473 16 None Detected 0 0 0.0004 <4.04 <0.0004 < 0.0004 9035 -37
38 3600.00 0.2473 30 None Detected 0 0 0.0004 <4.04 <0.0004 < 0.0004 9035 -38
3600.00 0.2473 8 None Detected 0 0 0.0004 <4.04 <0.0004 < 0.0004 035 -39 9 40 3600.00 0.2473 2 None Detected 0 0 0.0004 <4.04 <0.0004 < 0.0004 9035 -40
41 3600.00 0.2473 4 None Detected 0 0 0.0004 <4.04 <0.0004 < 0.0004 9035 -41
42 3610.00 0.2473 2 None Detected 0 0 0.0004 <4.04 <0.0004 < 0.0004 9035 -42
43 3620.00 0.2473 0 None Detected 0 0 0.0004 <4.04 <0.0004 < 0.0004 9035 -43
ROMAN PEYSAI V MICHAEL A. GORYCKI, Ph.D.
Analyzed by: Approved by:
Disclaimer. The laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboratory personnel. This lab is only responsible for data reported in stnictures/mm2. 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 PLM/i'EM #101187-0, NY State ELAP #10879
Tuesday, October 29, 2002 Page5of5
NYC-WTC 000131659
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