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Asbestos TEM results summary, SciLab

Machine-extracted title · confidence 85%

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

NYC-WTC_000174687
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Scanned page image, NYC-WTC_000174687
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NYC 9/11 Public Portal Document

SciLab ’ 1|:ji 203033980 :> Client J. : TRC I'jiviron mental Corporation c L Table I r Summary of Transmission Electron Microscopy (T’EM) Results for Asbestos (ASTM D5755 Dust Microvac) t- 35052-0000-00017; New York City Law Department; 100 Church Street c c Surface * Analytical Structure * Analytical Structure c

Area Asbesto.s Scnsilivily Density Sensilivity Limit Of Elcosity Type f. SciLub CUcni Sampled Dilution Structures on Grid on Grid on Surface Detection on Surface of Sample It Sample fl (sq. cm ) Factor Delected (Str / sq ram) (Sir / sq mm) (Str / sq. cm ) (Sir/ sq. cm ) (Str/^q. cm ) Asbestos

01 ZIX)32803MV2001 100.0 0-20000 21 25 525.0 267 267 5,617 chrysotile Filing Room - Bail Side PH-14 h I- iNSD r 02 2I>032803NrV2002 100.0 0.20000 0 25 <25 267 267 <267 0

Ladies Room - Esl Side PH-14 03 ZDO32803MV2003 100.0 0.20000 0 25 <25 267 267 <267 NSD Ladies Room - West Side PH-14 04** ZD032803N'rYFB01 1 Field Blank

0 f I-

f

• structure deority represented by the detection of I structure I ** not analyzed NSD: No .\sbestos Structures Detected Reviewed By; ; Analyzed By; Date;J^^ c N Aleksandr Darcngolls c u

NYC-WTC_000174687

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NYC-WTC_000174687Source: NYC Law Department, mirrored locally

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