NYC-WTC_000187480

o O g O I NYC Response ■D o Asbestos Air Sampling Results for Staten Island Landfill c o CT o Sampling Date and Times: 12/12/01 0824 to 2125 Data Validation Date: 12Z14/2Q01 00 o' ■D PCM by NiOSH 7400 TEM AHERA) o 00 3. o Sampling Sampling Sample Structures (#) 03 Date Sample No. Location Volume* Matrix f/mm’ f/cc 0.5u-5u Su S/mm^ S~f/cc** 12/12/01 LF01525 P-1 720 Air <7.0 <0.004 0 0 <8.75 <0.0047 o o 12/12/01 LF01526 P-2 603 Air <7.0 <0.0045 0 0 <7.87 <0.0050 o c 12/12/01 LF01527 P-3 720 Air <7.0 <0.004 0 0 <8.75 <0.0047 3 12/12/01 LFOtSSB P-4 720 Air <7.0 <0.004 0 0 <8.75 <0.0047 CD 12/12/01 LF01529 P-5 720 /Mr <7.0 <0.004 0 0 <8.75 <0.0047 12/12/01 LF01S30 P-« 720 /Mr <7.0 <0.004 0 0 <8.75 <0.0047 P-7 720 Air <7.0 <0.004 0 0 <8.75 <0.0047 12/12/01 LFOISJC P-8 720 /Mr <7.0 <0.004 0 0 <8.75 <0.0047 12/12A)1 . LF01S33 W-11 720 Air 7.64 0.004 1— 0 8.75 0.0047 12/12/01 LF01534 W-12A 720 Air 22.93 0.012 1*** 26.25 0.0140 12/12/01 LF01S35 B-14 720 Air <7.0 <0.004 0 0 <8.75 <0.0047 12/12/01 LF01S36 T.15 720 Air 19.11 0.010 0 0 <8.75 <0.0047 12/12/01 LF01S37 T-16 720 Air <7.0 <0.004 0 0 <8.75 <0.0047 12/12/01 LF01538 0-17 Air <7.0 <0.004 0 0 <8.75 <0.0047 12/12/01 0-18 720 Air <7.0 <0.004 0 0 <8.75 <0.0047 12/12/01 0=81540 0-19 720 /Mr <7.0 <0.004 0 0 <8.75 <0.0047 12/12/01 * MPHS-20 720 /Mr <7.0 <0.004 0 0 <8.75 <0.0047 12/12/01 W-12B 7^ /Mr <7.0 <0.004 0 0 <8.75 <0.0047 12/12/01 B-13 720 A^ 7.64 0.004 0 0 <8.75 <0.0047 12/12/01 JLFOIS^ Trip Blank 0 Air <7.0 n/a NA'"’ NA^ “n^ NA'"’ 12/12/01 LF01545 Lot Blank 0 Air <7.0 n/a nNA^ NA^

Key: * Sample volume (liters) is 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 overioading of particulates NA - Not analyzed for TEM n/a- Not applicable NC- Not collected NS - Sample not submitted o H 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: EPA 40CFR Part 763 (AHERA): 0.01 fiber/cc (PCM). 70 S/mm’, volume 1200 L, for 25 mm filter (TEM)

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