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Asbestos TEM microscopy summary report, Law Department

Machine-extracted title · confidence 85%

Summary table of transmission electron microscopy results for asbestos analysis conducted by TRC Environmental Corporation.

NYC-WTC_000174673
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Scanned page image, NYC-WTC_000174673
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z z s sen Jtiff: 202082252 Client Name; TRC Environmental Corporation 1 ■<

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Table 1 '2 Summary of Transmission Electron Microscopy (TEM) Results for Asbestos (ASTM D5755 Dust Microvae) s Cl ■D c CT o o' o 35052-0000-00009; New York City Law Department; 100 Church St. - 10x10 Area Sampled ru CD ■D Surface * Analytical Structure * Analytical Structure o fCJ 3. c» Area Asbestos Sensitivity Density Sensitivity Limit Of Density Type g 92. o SciLab Client Sampled Dilution Structures on Grid on Grid on Surface Detection on Surface of nj O <Stt/ aq. cm ) (Str/sq. cm ) Asbestos o Sample # Sample # (sq.cm) Factor Detected (Str/sqnun) (Stt/sqmm) (Str/sq.cm ) o T c 01 BA081002MV-2(X)l 100.0 0.01000 1 10 10.0 2.140 2.140 2,140 dnysotile A 3 CD 20th Fl. - Northeast - Womea's Toilet Vestibule m 02 BAO810O2MV-2O02 lOD.O 0.02000 0 10 <10 1,070 1,070 <1,070 NSD 2<Mh H. - Northeast - Women’s Toilet 03 BA081002MV-20O3 100.0 0.02000 0 10 <10 1,070 1,070 <1,070 NSD 20th R. - Northwest - Men’s Toilet 04 BA0810B2MV-2004 100.0 0.02000 0 10 <10 1,070 1,070 <1,000 NSD 201h FI. - Southeast - Men’s Toilet 05 BA08I002MV-2005 100.0 0.02000 0 10 <10 1,070 1,070 <1,070 NSD 20th Fl. - South Corridor 5' West Of Exit Door "B’ 06 BA081002MV-2O06 100.0 0.02000 0 10 <10 1,070 1,070 <1,070 NSD 10th FL - South Corridor Next To Men’s Toilet 07 BA0810O2MV-2O07 100.0 0.02000 0 10 <10 1,070 1,070 <1,070 NSD 20th Fl. - Northwest Comer Rm # 8-1405 rcj

08

09** BA081OQ2MV-2008 100.0 0.02000 20th Pl. - Northwest Corridor 5' Bast Of Men’s Toilet BAO81002MV-2O09 0 10

I <10 1,070 1.070 <1,070 NSD s UI

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T) (3 * structure density represented by the detection of 1 structure Q ** not analyzed LJ NSD: No Asbestos Structures Detected 8/11/02 Reviewed By; 7 Aleksandr Barcngolts

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NYC-WTC_000174673Source: NYC Law Department, mirrored locally

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Summary table of transmission electron microscopy results for asbestos analysis at 100 Church Street.

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