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Chain of custody for asbestos air samples, Sept 2002

Machine-extracted title · confidence 98%

Chain of custody document tracking TEM analysis of air samples from the DEP cleanup project at 125 [name].

NYC-WTC_000177478–000177483
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NYC 9/11 Public Portal Document

Attn: Fred Burkhardt Received: 9/16/02 8:00:00 AM ATC Associates Inc. ATC Group#: 8841 104 East 25th Street Analysis Date: 9/18/02 New York NY 10010

Fa.x: (212) 353-3599 Phone: (212) 353-8280

Project: DEP Cleaan-up Project #: 22906-0002 125 Cedar Street, New York, NY

Asbestos Fiber Analysis by Transmissioij Electron Microscopy (TEM) Performed by EPA 40 CFR Part 7^3 Final Rule (AHERA) .Analytical Asbestos Area 2i/on Asbestos # Slriicliires Sensitivity Concentration Sample ' Volume Analyzed Asb Type(s) O.Sfi-S S/t (S/cc) (S/mm^) (S/cc) Notes

I1 2400.00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 8841 -8

12’ 2400.00 0.0450 0 CHRYSOTILE 1 1 0.0036 44.48 0.0071 S84I -9

13' 2410.00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 3841 -lU

14 2410.00 0.0450 0 CHRYSOTILE 3 0 O.0036 66.73 0.0107 S84/ -II

15 2420.00 0.0450 0 None Detected 0 0 0.0035 <22.24 <0.0035 3831 -12

16 2420.00 0 0450 0 None Detected 0 0 0.0035 <0.0035 8831 -13

17 2430.00 0.0450 0 CHRYSOTILE 0 0.0035 22.24 0.003? 8841-14

18 2400.00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 8341 -15

19 2400.00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 SS4I -16

RO.MAN PEYSAIC MICH.AEL A. GORYCKi, Ph D.

Analvzed bv Approved by:

Disclaimer:.The laboratory is not responsible for data reported in stnjctures/cc, which is dependent on volume oolle/ed by non-laboratory personnel. ThisTSSis only responsible for data reported in 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 report i relates only to the samples reported above. Qjality control data (including 95% confidence limits and laboratory and analysis' accuracy and precision) is available upon request.

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

Page 2 0/3

CONFIDENTIAL, CITY_21MC100_003446439 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000177479

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NYC-WTC_000177479Source: NYC Law Department, mirrored locally

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