NYC-WTC_000232874

NYC 9/11 Public Portal Document

NYC Response Asbestos Air Sampling ResuSts for Staten island Landfiii Sampling Date and Time 2/16'20020705 to 2114 Date VaSidatioii Date; 02/19/2002

PCM by NiOSH 7400 ___________ TEM ( AHERA) Sampling Sampling Sample Structures (#) Date Sample No. Location Volume* Matrix f/mm^ f/cc O.Sp - 5p 5P S/mm" S~f/CC‘* 02/16/02 LF2867 P-1 1246.05 Air <7.0 <0.002 0 0 <15.75 <0.0049 02/16/02 LF2868 P-2 55.10 Air <7.0 <0.049 0 0 <7.87 <0.0050 02/16/02 LF2869 P-3 1380.60 Air <7.0 <0.002 0 0 <15.75 <0.0044 02/16/02 LF2870 P-4 1324.00 Air <7.0 <0.002 0 0 <15.75 <0.0046 02/16/02 LF2871 P-5 1.60 Air <7.0 <1.683 0 0 <7.87 <1.8947 02/16/02 LF2872 P-6 1196.00 Air <7.0 <0.002 0 0 <15.75 <0.0051 02/16/02 LF2873 P-7 1188.00 Air <7.0 <0.002 0 0 <13.12 <0.0043 02/16/02 LF2874 P-8 1388.40 Air <7.0 <0.002 0 0 <15.75 <0.0044 02/16/02 LF2875 W-11 1132.80 Air 104.46 0.036 ***6 0 78.74 0.0268 02/16/02 LF2876 W-12A 1310.40 Air 59.87 0.018 0 15.75 0.0046 02/16/02 LF2877 W-12B 1290.90 Air 44.59 0.013 0 0 <15.75 <0.0047 02/16/02 LF2878 B-13 1260.00 Air <7.0 <0.002 0 0 <15.75 <0.0048 02/16/02 LF2879 B-14 1382.55 Air <7.0 <0.002 0 0 <15.75 <0.0044 02/16/02 LF2880 T-15 1332.00 Air <7.0 <0.002 0 0 <15.75 <0.0046 02/16/02 LF2881 T-16 1440.00 Air 28.03 0.007 0 0 <15.75 <0.0042 02/16/02 LF2882 0-17 1428.00 Air <7.0 <0.002 0 0 <15.75 <0.0042 02/16/02 LF2883 0-18 1239.90 Air <7.0 <0.002 0 0 <15.75 <0.0049 02/16/02 LF2884 0-19 1336.00 Air <7.0 <0.002 0 0 <15.75 <0.0045 02/16/02 LF2885 MPHS-20 1390.35 Air <7.0 <0.002 0 0 <15.75 <0.0044 02/16/02 LF2886 P-1D 1440.00 Air <7.0 <0.002 0 0 <15.75 <0.0042 02/16/02 LF2887 Lot Blank 0.00 Air <7.0 n/a NA<^> NA(=^> NA<=^> NA<=^> 02/16/02 LF2888 Trip Blank 0.00 Air <7.0 n/a NA("> NA(2> NA(2> NA®

Key: * Some sample volume (liters) are below recommended limit for the TEM method; volume is based on pump reading ** Structure (S) is roughly equivalent to fiber (f) *** Chrysotile

NA - Not analyzed due to overloading of particulates NA - Not analyzed for TEM n/a - Not applicable NR - Not requested NS - Sample not submitted R - Sample data rejected due to no sample volume O NC - Sample not collected H NS - Sample not submitted

to NIOSH 7400; Fiber Analysis of Air samples via NIOSH 7400, Revision 3, issue 2, 8/15/34 Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) EPA 40CFR Part 763 (AHERA) S o Standard criteria: EPA 40CFR Part 763 (AHERA); 0.01 fiber/cc (PCM), 70 S/mnf, vol orris 1200 L, for 25 mm filter (TEM) o o I Ln o

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NYC-WTC_000232874