NYC-WTC_000232555

NYC 9/11 Public Portal Document

sponse >s Air Sampling Results for Staten Island Landfill IQ Dato and Time: 10/05/01 0700 or 1200 Io 1900

PCM by NIOSH 7400 TEM AHERA) Sampling Sample f/mm^ f/cc Structures I#) S/mm’ S-f/cc* Sample No. Location Volume Matrix 0.5p-5p >5u

02171 #1 668.9 Alf 8.92 0.005 0 0 <8.61 <0,0050 II (1 02172 #2 668.7 Air 11.46 0.007 0 0 <8.61 <0.0050 02173 #3 706 Alf 35.67 0.02 0 0 <8.61 <0.0047 II II 02174 #4 702.2 Air 24.2 0.013 £ 0 <8.61 <0.0047 II 02175 #5 . 700.6 Air 7.54 0.004 0 0 <8.61 <0.0047 11 02176 #6 80 Air <7.0 <0.034 2 0 <7.76 <0.0373 LL 02177 #7 706 Air 8.92 0.005 2 0 <7.75 <0.0042 ii_ 02178 #8 711.6 Air 40.76 0.022 0 0 <8.61 <0.0047 ii 02179 #9A . 720 Air 29.3 0.016 0 0 <8.61 <0.0046 II 02180 #96 680 Air 7.64 0.004 2 0 <8.61 <0.0049 II 02181 #9C 685 Air 20.38 0.012 2 0 <8.61 <0.0048 11 02182 #10 666 Air 38.22^ ■ 0.022 0 0 <8.61 <0.0050 :22

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, Revision 3, issue 2,8/15/94 Electron Microscopy (TEM) ERA40CFR Part 763 (AHERA) «««« EPA«CFRP.„7S3 |AHERA,:..0,„b..cc,PC«,.70S,n..', .o,

ERT: 10/09/01 9:50 AM

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NYC-WTC_000232555