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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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NYC 9/11 Public Portal Document

217 3*.' S3 OP atc aoos

Vttn; Senjemra SalSetni Received: 10/9/02 8:00-00 AM ATC AtJoTnes .Inc. .ATC Group#: S946 131 £as! 25111 Sttci Analysis Date: 10/10/02 Nev* York NY IOC 10

Fax; (2)2) 753-3599 Phone; (212)353-8280 Project: DE? Clean-up ATC Project ?. 22906-0002 125 Cedar Street, New York, NY

EPA PCMe Method Via Transmission Electron Microscopy Non Asbestos £1*^ PCMt Asbestos PCM Asbestos Asbestos % of (TEM) Sample 9'glunit fibers ftec fype(sj fibers total F/ec r<iotes

A-9S-O8 3890.00 5 0.001 CHRYSOTILE 1 17 0.0002 Cellulose 2 Structures, Gypsurr, -2 Structures. -S Gla35-i Siructure

A.9S-09 3 a so. 00 7 0 001 None Deteote^ 0 0 <0.0002 CelluioseA Stcucwres, Gypeun • 1 Structure, 6946 -9 Glass-2 Slructures

A-9S-1C 3870.00 a 0 None Detested 0 0 <0.0002 Cellulose ■ ' Ctfuctures, 0:355 -1 Structure adud -10

A-8N-1 ■ 3870.00 12 0,001 None Detected 0 0 <0.0002 Cellulose • T Structures, Gypsum - 4 S946 ■!! Sbuctures. Giass-I Structure

A-8N-I2 3860.00 0 0.00 i None Cetectec 0 0 <0.0002 Callulose. e SLrunures, Gypsum - 2 ,3946 -12 Structures, Glass-1 Structure

A.8N-13 3850.00 9 C.0O3 None Ceieeted 0 . 0 <0,0002 Cellulose -S S'rjcwrss. Gytssurr. 3 Structures 6946 - '2

A.8N-14 3840.00 7 0.001 None Oeieciad 0 0 <0.0002 Celluloae ■ 4 Structuies, Gypsum -1 Structure, SM -14 Glass -2 Structures

A-8N-I5 38.30.00 0.001 None Delected 0 a <0.0002 Callulose - 5 Sl-uciures, Gypsum - 3 694i -1) Structures. Glass -3 Struaurss

A-8S-16 3850.00 0.001 None Oeiectac 0 0 <0.0002 CelluloseA Sinuctures. Gypsum - 2 S946 -16 Stnjcfore;. Glass -1 Slructure

A.8S-17 3840.00 9 0.001 Mtns aetected 0 0 <0.0002 Cellulose .52 Struetufes. Gypsum 3 6946 .n Structures, Glass-' Structure

.MARKPEYS. MICHAEL A. GORYCKI. ?h.D.

Analyzed by; Apsroved by;

ATC is no! responsible lor date reported in Saets/a:, whion is dependent on vaune collected by nor- acoratery personnel Tne aisese raped .'dates only la the items tested. This , report may not be reproOuced, except in 'u!, mfhout •«riwi approval by A^C AssociatBS Inc. .Analysis pe.rtofmed by ATC Assodates Inc. (NY ELaP #10879) ■ hory Grid Openings trem each st the samples *ere examined tor siruetoies jreatar inar, Spin 'ensth and having a enjt-to-widlh ratio greater than 3:1

H'eiinesday. October 76, 2^02 Page2t>f6

CITY_21MC100_009369701

NYC-WTC_000181888

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NYC-WTC_000181888Source: NYC Law Department, mirrored locally

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