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Asbestos PCM and TEM analysis results, DEP Clean-up Project, Oct

Machine-extracted title · confidence 95%

Laboratory report detailing phase contrast microscopy and transmission electron microscopy data for samples from the DEP Clean-up project at 125 Liberty Street received on October…

NYC-WTC_000181887–000181892
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Scanned page image, NYC-WTC_000181890
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NYC 9/11 Public Portal Document

10/1133002 15:13 FAT 212 355 8306 A"’C i?0i0

.Attn: Senjarnin Salleca Received: 10/9/02 8,00:00 AM ATC Associates ’nc. ATC Group #: S946 104 Eest 25th Scree: Analysis Date; 10,'10/02 NewVork •NY IOC 10

Fax: (212) 353-3599 Phone; (212)353-8280

frolect: DE? Clean-up .ATC Piojed *■ 22906-0002 125 Cedar Sneei, New York, NY

EPA PCMe Method Via Transmission Electron xMlcroscopy .V<,zi Asbtistos £Pa PCMe Asbestos PCM Asbestos Asbestos % of (T£M) Sample yotunie fibers f/ce Typefs) Fibers toial r/ce

.4-78-28 3720.00 2 0.001 Ds;>eeD 0 0 <0 0002 Cellulose -4 Stmeures. Gypaj-’ -1 Stnicture 4946 -2S

A-7S.29 371000 9 0.001 None Oetectea 0 0 <0.0002 Cellulose -3 Structures, Gypsum -5 Structures, ^946 -29 GlasS'1 Slwafjra

A-7.5.30 3700.00 6 0 001 None Detectea 0 0 <0.0002 CalluJasE 5 Sirjetu.-Bs, Oyssum-1 Structure dpuia -.^0

A-6N-31 3790.00 0.002 None Delected 0 0 <0 0002 Cellulose •< Slruciufss. Gypsum ■ 1 Structure S9‘6 -31

A-6N-32 3780.00 16 COul None Cetecied 0 0 <0.0002 Ceiltilcse ’ 11 Structures, Gyosum - 4 ?94i .}3 Slhictu.'es, Glass-I Siructere

A-6N-33 3770.00 ;J C.OOI None Delected 0 0 <0.0002 Cellulose • 1' Structures, Gypsum - 2 S946 -33 Structures

A-6N-34 3870.00 9 9 CMRYSOTPuE 1 10 0.0002 Celluicse < Stuctyres Cyosun -1 Struciura S9yi -34

A^N-35 3760,00 iS 0,602 '.one Detected 0 0 <0-0002 Celitrtose-S SSuctures, Ois: -1 Slnuaure 3946 -JJ

A-6S-3G 3850,00 10 0.001 None Detected 0 0 <0'0002 Celldiose' 7 Structures, Gypsum - 2 S94A -36 Slrueturas, Giass-1 .Siructure

A-6S-.37 3840,00 4 0.002 None Detected 0 0 <0.0002 Celiulose- 3 Structures, Glass •' Structure 4946 -37

MARK PEYSA^^V .^aCHAEL A CORYCKI, Pii.D

Aporoved by

a7C is not respensils for data reported in Ibars/cc. wtileh is dependent on volume coliecied by nsn-laacrawry petsocinel. The suave recon 'elates only n the items rssied This report may not be reproduced, except in lull, without written epprovaJ by ATC Associates me. j Analysis pertofmed by ATC Associates Inc. (NV ELAP #10679). ' Forty Grid Openings from each, of the samples were examined ter stuetures greater then Spin iength and having a lenuth-a-width rase greater Ihsn 3-1

tPednesday, Cfctaber 16. 2062 Page 4 nf 6

CITY_21MC1OO_OO93697O3

NYC-WTC_000181890

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NYC-WTC_000181890Source: NYC Law Department, mirrored locally

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NYC-WTC_000107353 · Box DEP Box 38

A fax cover sheet from ATC Associates to NYC DEP transmitting urgent asbestos analysis results for a building project.

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