NYC-WTC_000234798

NYC 9/11 Public Portal Document

iesponss tos Air Sampling Results for Staten Island Landfill Ing Date and Time: 10/05/01 0700 or 1200 to 1900

_________ TEM AHERA) (ling Sampling Sample Wmm’ f/cc Structures (#) S/mm’ S-f/cc* te Sample No. Location Volume Matrix 0.5m-Sp >5u

02171 #1 66B.9 Air 8.92 0.00S 0 0 <8.61 <0.0050 {21- <0.0050 02172 #2 668.7 Air 11.46 0.007 0 0 <8.61 (Ol- /oi 02173 #3 706 Air 35.67 0.02 0 2 <8.61 <0.0047 /01 02174 #4 702.2 Air 24.2 0.013 0 0 <8.61 <0.0047 (01- 02175 #5 700.6 • Air 7.54 0.004 0 0 ■giaiEEaM (01- 02176 #6 80 Air <7.0 <0.034 0 0 I <7.76 <0.0373 ^01 02177 #7 706 Air 8.92 0.005 0 0 /01 02178 #8 711,6 Air 40.76 0.022 0 2 <8.61 <0.0047 (SI- 02179 #9A 720 Air 29.3 0.016 0 2 <8.61 <0.0046 (Ol. 02180 02181 #9B #9C 680 Air 7.64 0.004 0 2 <8.61 <0.0049 fO1 *01 02182 #10 685 666 Air 20.38 0.012 0 2 <8.61 <0.0048 Air 0.022 0 0 <8.61 <0.0050 4222

NS: Not sampled Sample volume Is below rocommandod limit of the method: 'Structure (S) roughly equivalent to fiber (f) NA: not analyzed due to overloading of particulates 7400: Fiber Analysts of Air samples via NIOSH 7400. Revision 3 Issue 2 B/IS/as tos Fiber Analysis by Transmission Electron Microscopy (TEM) ERA 40CFR Part 763 (AHERA1 »rd criteria: EPA 40CFR Part 763 (AHERAI- 0 01 flber/r J/PPM,c/ J ." (AHERA) /• . 1 fiber/cc (PCM), 70 S/mm*, volume 1200 L, for 25 mm filter (TEM)

ERT; 10/09/01 9:50 AM

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NYC-WTC_000234798