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NYC-WTC_000234821

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NYC 9/11 Public Portal Document

NYC Response Asbestos Air Sampling Results for Staten Island Landfill Sampling Date and Times: 11/02/01 0650 to 11/02/01 1908 PCM by NIOSH 7400 TEM AHERA) Sampling Sampling Sample Structures (#) Date Sample No. Location Volume* Matrix f/mm^ f/cc 0.5p - 5p 5p S/mm^ S~f/cc** 11/02/01 LF00148 P-1 690 Air <7.0 <0.004 0 0 <8.89 <0.0050 11/02/01 LF00149 P-2 691 Air <7.0 <0.004 0 0 <8.89 <0.0050 11/02/01 LF00150 P-3 692 Air <7.0 <0.004 0 8.89 0.0049 11/02/01 LF00151 P-4 693 Air <7.0 <0.004 0 0 <8.89 <0.0049 11/02/01 LF00152 P-5 694 Air <7.0 <0.004 0 0 <8.89 <0.0049 11/02/01 LF00153 P-6 694 Air <7.0 <0.004 0 0 <8.89 <0.0049 11/02/01 LF00154 P-7 689 Air 7.64 0.004 0 0 <8.89 <0.0050 11/02/01 LF00155 P-8 694 Air <7.0 <0.004 0 0 <8.89 <0.0049 11/02/01 LF00156 S-9A 664 Air <7.0 <0.004 0 8 0.0046 11/02/01 LF00157 S-9B 573 Air <7.0 <0.005 2*.. 0 16 0.0108 11/02/01 LF00158 S-10A 519 Air <7.0 <0.005 0 0 <8 <0.0059 11/02/01 LF00159 S-10B 627 Air <7.0 <0.004 0 0 <8 <0.0049 11/02/01 LF00160 W-11 694 Air <7.0 <0.004 0 8.89 0.0049 11/02/01 LF00161 W-12A 720 Air <7.0 <0.004 0 8.89 0.0048 11/02/01 LF00162 W-12B 720 Air <7.0 <0.004 0 17.78 0.0095 7777 2... 11/02/01 LF00163 B-13 691 Air <7.0 <0.004 26.67 0.0149 11/02/01 LF00164 B-14 679 Air <7.0 <0.004 0 0 <8 <0.0045 11/02/01 LF00165 T15 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 11/02/01 LF00166 T16 614 Air <7.0 <0.004 0 0 <8 <0.0050 11/02/01 LF00167 Lot Blank 0 Air <7.0 n/a NA® NA® NA‘=^> NA® 11/02/01 LF00168 Trip Blank 0 Air <7.0 n/a NA® NA® NA® na‘"> COC No. n/a

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 (1) - Not analyzed due to overloading of particulates NA (2) - Not analyzed for TEM n/a - Nol applicable

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) O Standard criteria: EPA 40CFR Part 763 (AHERA): 0.01 fiber/cc (PCM), 70 S/mm^ voiume 1200 L, for 25 mm fiiter (TEM)

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NYC-WTC_000234821

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NYC-WTC_000234821Source: NYC Law Department, mirrored locally

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