Asbestos TEM results, 100 Church Street, March 2002

NYC 9/11 Public Portal Document

SciLabJob#: 202013091 Client Name: TRC Environmental Corporation Tablel Summary of Transmission Electron Microscopy (TEM) Results for Asbestos (ASTM 5755 Dust) 3) Z I 35052-0000-00002; New York City Law Department; ICX) Church Street 1\J CO Surface * Analytical Structure * Analytical Structure Area Asbestos Sensitivity Density Sensitivity Density Type gnj SciLab Client Sampled Dilution Structures on.{Md on Grid on Surface on Surface of Sample# Sample # (sq. cm ) Factor Detected (Str / sq mm) (Str / sq mm) ( Str / sq. cm ) (Str/ sq. cm ) Asbestos G) UI 01 JDO12302MVO201 100.0 0.100 6 25 ISO.O 535 3.210 chrysotile 2iid Floor DcQ Computet - Inside OPTIPLHX 0X1 Set. #US4ZK 02 JD012302MV0202 100.0 0 010 10 10 100.0 2,140 21,400 chrysotile 2nd Floor Dell Computer - Inside OPTIPLEX GXI Ser. #US851 03 JD012302MV0203 100.0 0.010 101 11.1 1,122.2 2,yn 240,155 chiysutiie tn o 2nd floor HP Laser Jet Printjer Ser. #USDD024099 n o m z 04 ro012302MV0204 ioo;o 0.010 30 10 300,0 2,140 64.200 chrysotile 2 o m z 2nd Floor HP LaserJet Printer Ser. #USBK149650 -n 05 JDO12302MVO301 100.0 0.020 12 10 120.0 1,070 12,840 chrysotile n CO c 3rd Floor Dell Computer Serial #U2NFR 03 n 06 ID012302MV0302 100.0 0.020 2 10 20.0 1,070 2,140 chrysotile m O 3rd Floor CSS Laboratories Computer Serial #1026 R o J] 07 JD0I2302MV0303 100.0 0.020 3 10 30.0 1,070 3,210 chrysotile o 3rd Floor HP Laser Jet Printer Behind Access Door Ser. #USDDO223457 Fl o 08 JD0123O2MY0304 100.0 0.020 3 10 30.0 1,070 3,210 chrysotile m O 3id Floor HP Laser Jet Printer Behind Access DoorSer. #IISD6O44387 □J o m 09 JDO12302MV06O1 100.0 0.020 0 10 <10 1,070 <1,070 NSD J] z p 6th Roor DeU Computer Ser. #14A8C P 10 JD012302MV06O2 100.0 0.020 8 10 80-0 1,070 8,560 co clu^'solile m 6th Roor Dell Computer Ser. I/2FT3E I\9 O O 11 JDQ12302MV0603 100.0 0.020 2 10 20.0 1,070 2,140 cluysotile 03 6th Roor DeU Computer Ser. #2FTCA PJ 12 JDO12302MVO6O4 100.0 0.020 3 10 30.0 1,070 3,210 chrysotile PJ 6111 Roor HP Laser Jet Primer Ser. # USDGO044380 m 13“ JDO123a2MVDIankl I ro Micro-Vac Blank Sample #1 UD

o

'I o * slniclure density represented by the detection of 1 structure ** not analyzed NSD: No Asbestos Structures Detected T3

b o Reviewed By: ; Analyzed By: / Date: 1/28/02 A 'o Glenn Massey O) Ol 2

NYC-WTC_000177244