Asbestos air sampling results, Staten Island Landfill, Dec 2001

NYC 9/11 Public Portal Document

NYC Response Asbestos Air Sampling Results for Staten Island Landfill sampling Date and Times: 12/24/01 0905 to 12/25/01 0005®"’ Data Validation Date; 12/28/2001

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** 12/24/01 LF01773 P-1 900 Air <7.0 <0.003 0 0 <11.25 <0.0048 12/24/01 LF01774 P-2 564 Air <7.0 <0.005 0 0 <7.87 <0.0054 12/24/01 LF01775 P-3 804 Air <7.0 <0.003 0 0 <9.84 <0.0047 12/24/01 LF01776 P-4 775 Air <7.0 <0.003 0 0 <9.84 <0.0049 12/24/01 LF01777 P-5 788 Air <7.0 <0.003 0 0 <9.84 <0.0048 w 12/24/01 LF01778 P-6 NS'” NS'” NS'” NS'” NS'” NS'” MS’” G 12/24/01 LF01779 P-7 748 Air <7.0 <0.004 0 0 <8.75 <0.0045 K G 12/24/01 LF01780 P-8 834 Air <7.0 <0.003 0 0 <9.84 <0.0045 M O 12/24/01 LF01781 W-11 830 Air <7.0 <0.003 0 0 <9.84 <0.0046 H 12/24/01 LF01782 W-12A 720 Air <7.0 <0.004 0 0 <8.75 <0.0047 H 12/24/01 LF01783 W-12B 809 Air <7.0 <0.003 0 0 <9.84 <0.0047 O 12/24/01 LF01784 B-13 NS'” NS'” NS'” NS’” ns'” NS'” NS'” NS'” 12/24/01 LF01785 B-14 507 Air <7.0 <0.005 0 0 <7.87 <0.0060 o 12/24/01 LF01786*’’ T-15 2638 Air <7.0 <0.001 0 0 <19.69 <0.0029 H 12/24/01 LF01787<®) T-16 2647 Air <7.0 <0.001 0 0 <19.69 <0.0029 M O o 12/24/01 LF017S8 0-17 NS<” NS<” NS'” NS<"> ns'” ns'” NS'” NS'” H o 12/24/01 <9.84 <0.0047 s LF01789 0-18 800 Air <7.0 <0.003 0 0 < 12/24/01 LF01790 iViPHS-20 839 Air <7.0 <0.003 0 0 <9.84 <0.0045 a 12/24/01 LF01791 Lot Blank 0 Air <7.0 n/a NA'” NA'” NA'” NA'” o M 12/24/01 LF01792 Trip Blank 0 Air <7.0 n/a na'” NA'” na'” NA<” S a H > Key: * Sample volume (liters) is below recommended limit for the TEM method; volume is based on pu.mp reading s o ** Structure (S) is roughly equivalent to fiber (f) *** Chrysotile to **** Extremely low sample volume collected

w NA'” - Not analyzed due to overloading of particulates M G NA'” - Not analyzed for TEM H n/a - Not applicable NC - Sample not collected to NS'” - Sample not submitted due to no sample volume o o NS'” - Sample not submitted at this time due to no access to station location co - Sample LF01786 (T-15) was collected 12/24/01 0940 to 12/26/01 0538 O Sample LF01787 (T-16) was collected 12/24/01 0943 to 12/26/01 0550 H K I NIOSH 7400: Fiber Analysis of Air samples via NIOSH 7400, Revision 3, issue 2, 8/15/94 to 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/mm^, volume 1200 L, for 25 mm filter (TEM)

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NYC-WTC_000177587