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NYC-WTC_000220345

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000220345–000220368
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NYC 9/11 Public Portal Document

SciLabJob#: 202032040 Client Name: Clean Air Testing Labs, Inc. Table I Summary of Transmission Electron Microscopy (TEM) Results for Asbestos (ASTM 5755 Dust) 153 Chambers Street, New York. NY / AMBIENT Surface * Analytical Structure * Analytical Structure Area Asbestos Sensitivity Density Sensitivity Density Type SciLab Client Sampled Dilution Structures on Grid on Grid on Surface on Surface of Sample # Sample # (sq.cm) Factor Detected (Str / sq mm) (Str / sq mm) ( Str Z sq. cm ) (Str/ sq, cm ) Asbestos

OJ Dl 100.0 0.003 0 10 <10 6,420 <6,420 NSD On Stairs to Roof 02 D2 100.0 O.iOO 0 25 <25 535 <535 NSD Sth Floor Landing ©Stairs 03 D3 100.0 0.020 0 10 <10 1,070 <1,070 NSD 4tli Root Landing ©Stairs 04 D4 100.0 0.020 I 10 10.0 1,070 1,070 chrysotile 3rd Floor Landing ©Stairs 05 D5 100.0 0.020 0 10 <10 1,070 <1,070 NSD 2nd Floor Landing ©Pottery Shop 06 D6 100,0 0.003 1 10 10.0 6,420 6,420 chrysotile IstRoor ©Entry 07** D7 I Blank 08** D8 I Blank

o H

I—i S Q I—i o o I * structure density represented by the detection of 1. structure o ** not analyzed o NSD: No Asbestos Structures Detected CO Reviewed By }-Analyzed By:_______ ___________ CO (JI AlcksanAr Earengol ts o co

NYC-WTC_000220359

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NYC-WTC_000220359Source: NYC Law Department, mirrored locally

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