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Asbestos air TEM results summary, JLC Environmental Consultants, March 2003

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Summary table of transmission electron microscopy results for asbestos in air samples conducted by JLC Environmental Consultants.

NYC-WTC_000186864
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NYC 9/11 Public Portal Document

SciLabJob#; 203034110 Client Name; JLC Environmental Consultants <S Ch 'v Table 1 o Summary of Transmission Electron Microscopy (TEM) Results for Asbestos (air) to CS 03-2744; NYCDEP; 114 Liberty Si. CS GJ

Structure Structure M Air Area * Analytical Asbestos Structures Detected Density Concentration Type SciLao Client Dilution Filtered Analyzed Sensitivity (Microns) (strac/sq. mm.) (struc/cc ail) of M 00 Sample# Sample # Factor (liters) (sq. nun.) (struc/cc air) 0.5-5 0 >5.0 Total >5.0 Total >5.0 Total Asbestos 01 009441 3600 .12 aooo9 0.0 ao ao <8.3 <8.3 <0.0009 <0.0009 NSD M During, Adjacent To The From EMiaace Bldg 114 Liberty St. KJ CT 02 009442 12 3600 0.0009 1,0 0.0 10 <8.3 83 <0.0009 0.0009 chrysonte uO During, West Of The Decon Grotjnd Floor BItIg-114 Liberty St. iD GJ lD 03 009443 3600 12 0.0009 ao 10 10 8.3 8.3 0.0009 0.0009 chrysotile During, Inside The Clean Room At The Decan Bldg-114 Liberty St 04 009444 3600 .12 0.0009 0.0 10 10 8.3 8.3 0.0009 0.0009 chrysotile During, Al The Back Botrance .Leading To The Main Back Exit 05 009445 3600 12 0.0009 10 00 1.0 <8.3 8.3 <0.0009 0.0009 chrysotile Daring, East Of The Decan Adjacent To The Star Case Ground Floor 06** 0094446 0 Field Blank, Not SuhnuUcd 07** 009447 0 Field Blank, Not Submitted

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w <z DO * coftcentovlion represented by (lie detection of ( stnicture m o ** not analyzed o r 3/31/03 o NSD: No Asbestos XlnickEes Detected Reviewed By: ; Analyzed By: o o Mark Peysakhov CD NVL.8P#: 200546-a co

NYC-WTC_000186864

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NYC-WTC_000186864Source: NYC Law Department, mirrored locally

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