NYC-WTC_000203050

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§ NYC Response Asbestos Air Sampling Results for Staten Island Landfill -0

'2 o o Sampling Date and Time: 10/09/01 0630 to 10/09/01 2000 c CT o' PCM by NIOSH 7400 TEM AHERA) ■D O O W Sampling Sampling Sample f/mm’ f/cc Structures (#) S/mm^ S~f/cc* 3. O Date Sample No. Location Volume Matrix 0.5p - 5p 5p cn o O 10/09/01 o 02996 P Loc # 1 540 Air <7.0 <0.005 4** 0 32 0.0228 o c 10/09/01 02997 P Loc # 2 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 10/09/01 02998 P Loc # 3 720 Air <7.0 <0.004 2** 3 0 17.78 0.0095 CD 10/09/01 02999 PLoc#4 720 Air <7.0 <0.004 f 0 8.89 0.0048 o 10/09/01 03000 PLoc # 5 720 Ai( <7.0 <0.004 0 0 <8.89 <0.0048 10/09/01 03001 P Loc # 6 720 Air <7.0 ' <0.004 f 0 8.89 0.0048 10/09/01 03002 P Loc # 7 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 10/09/01 03003 PLoc # 8 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 10/09/01 03004 S Loc # 9A 700 Air <7.0 <0.004 r* 0 8.89 0.0049 10/09/01 03005 S Loc # 9B 720 Air <7.0 <0.004 1** 0 8.89 0.0048 10/09/01 02995 S Loc # 9C 317.4 Air <7.0 <0.008 0 0 <8.89 <0.0108 10/09/01 03006 S Loc #10 A 856 Air 7.84 0.003 0 0 <8.89 <0.0040 10/09/01 03007 S Loc# 10 B 453.5 Air <7.0 <0.006 0 8.89 0.0075 10/09/01 03008 BLOC# 13 715 Air <7.0 <0.004 0 0 <8.89 <0.0048 10/09/01 03009 B Loc #14 715 Air <7.0 <0.004 0 0 <8.89 <0.0048 10/09/01 03010 WLoc#11 857 Air 7.64 0.003 0 1** 8.89 0.0040 10/09/01 03031 W Loc# 12 720 Air 14.01 0.007 2” 0 14.55 0.0078 coc# 04616 •* Chrysotile

NS: Not sampled Sample volume is below recommended limit of the method; •Structure (S) roughly equivalent to fiber (f) NA: not analyzed due to overloading of particulates

NIOSH 7400: Fiber Analysis of Air samples via NIOSH 7400, Revision 3, Issue 2. 8/15/94 Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) EPA 40CFR Part 763 (AHERA) Standard criteria: EPA40CFR Part 763 (AHERA); 0.01 fiber/cc (PCM), 70 S/mm’, volume 1200 L. for 25 mm filter (TEM)

ERT: 10/15/01 9:50 AM

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