NYC-WTC_000210952

NYC 9/11 Public Portal Document

NYC Response Asbestos Air Sampling Results for Staten island Landfill Sampling Date and Time: 09/30/01 0730 to 1830

PCM by NIOSH 7400 TEM by NIOSH 7402 TEM AHERA) Sampling Sampling Sample f/cc AF^AF Adjusted Structures (#) S/mm^ S-f/cc* Date Sample No. Location Volume Matrix TEM f/cc <5m >5m

9/30/2001 01654 #1 653 Air <7.0 <0.004 0/0 <0.004 0 0 <8.00 <0.0047 9/30/2001 01662 #2 636 Air <7.0 <0.004 0/0 <0.004 0 0 <8.00 <0.0048 9/30/2001” ■ 01661 #3 609 Air <7.0 <0.004 0/0 <0.0C4 0 0 <8.00 <0.0051 9/30/2001 01660 #4 394 Air <7.0 <0.007 0/0 <0.0C7 0 0 <8.00 <0.0078 9/30/2001 01658 #5 614 Air <7.0 <0.004 0/0 <0.004 0 0 <8.00 <0.0050 9/30/2001 01657 #6 614 Air <7.0 <0.004 Q/0 <0.004 0 0 <8.00 <0.0050 9/30/2001 01656 #7 545 Air <7.0 <0.005 0/0 <0.005 0 0 <8.00 <0.0057 9/30/2001 01655 #8 611 Air <7.0 <0.004 0/0 <0.004 0 0 <8.00 <0.0050 9/30/2001 01652 ff9A 579 Air <7.0 <0.005 0/0 <0.005 0 0 <8.00 <0.0053 9/3D/20Q1 01653 #9B 582 Air <7.0 <0.005 0/0 <0.005 0 0 <8.00 <0.0053 9/30/2001 01651 #10 564 Air 11.46 0.006 0/2 <0.005 0 0 <8.00 <0.0055 coc# 04014 NS: Not sampled AF/ANF; Asbestos fibers/Non asbestos fibers Sample volume is below recommended limit of the method; ‘Structure (S) roughly equivalent lo fiber (f) NA; not analyzed due to overloading of particulates

NIOSH 7400: Fiber Analysis of Air samples via NIOSH 7400, Revision 3, Issue 2, 8/15/94 NIOSH 7402: Asbestos Analysis of Air samples by Transmission Electron Microscopy 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 SZmm^ voiume 1200 L, for 25 mm filter (TEM)

ERT: 10/02/01 9:50 AM

Q

Q o

I o o [O co

cn FK-09-30-01a co

NYC-WTC_000210952