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Asbestos TEM analysis data, 125 [name], Sep 2002

Machine-extracted title · confidence 95%

Chain-of-custody form containing transmission electron microscopy results for asbestos fiber analysis at a DEP cleanup project dated September 2002.

NYC-WTC_000107682–000107737

Folder label: “0076-0100

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NYC 9/11 Public Portal Document

ATC Associates 104 East 25 Street, New York, NY 10010 Phone: (212) 353-8280 Fax: (212) 353-8306 (ATC Attn: Benjamin Sallemi Received: 9,'2702 4:00:00 PM ATC Associates Inc. ATC Group #: 8905 104 East 25th Street Analysis Date: 9/2802 New York NY 10010 Fax: (212) 353-3599 Phone: (212) 353-8250 Project: DEP Clean-up 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) Analytical Asbestos .-tree Von tshestos T Structures Sensitivity Concentration Siunple Volume .tnalv,-.ed :ash Type(s) r).Su-5 Sn (S/cc) (S/mitt) (S/cc) :Votes

to 1800.00 0.0450 0 None Detected 0 0 <22-24 0-0048 <00043

i5 1500.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 3905 -_

06 1500.00 0.0450 0 None Detected 0 0 <22.24 <0.0048 0.0048 39r, --

1) ' IS00.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 3905 -,

1800.01) 0.0450 0 None Detected 0 1) 0.0045 , 22.24 <0.004S )i)i -i

lit) l) lif) ) (>450 r) None 2e!ec:e^ 1) 0 0.01)45 ' 22.24 Wi t) 0048 •+9115 -ti

Iii 1 Ss)O.l)I) I) 1,'4511 0 None Detected i) 0 0.0048 <22.24 <0.1)1)48 3905 -.

k

MARK PEYSAKHOV MICHAEL A. GORYCKI. Ph.D.

Analvzed by ~~' /rovedbY:

3isc!aimer The !aboratcry is net rescons;ble for data repored in structures/cc. wntch is dependent on volume collected by non-taboraterl personnel. -his - s only •esponsibie for Ja a -eooreo .n structures;mm This recor, may not be reproduced, exceot n full. without wntten approval by ATO Associates !nc. This report may not se :,sed :o .!a,m rccuc: ancorsement by N'✓UP or any other aoencv of :he 1 S Government. This tenons relates only :o:he samcles reconec above duality control data ,inc:acing ^'b or.rcence :imtts 3n0 aeoratcry ano snalys:s' accuracy 3nc prec:siont s ava Iasle jOOrt request

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NYC-WTC 000107712

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NYC-WTC_000107712Source: NYC Law Department, mirrored locally

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