NYC-WTC_000195884

NYC 9/11 Public Portal Document

NYC Response Asbestos Air Sampling Results for Staten Island Landfill Sampling Date and Time: 10/03/01 0700 to 10/03/01 1900

PCM by NIOSH 7400 TEM AHERA) Sampling Sampling Sample f/mm^ flee Structures (#) S/mm’ S~f/cc* Date Sample No. Location Volume Matrix <5p >5u

10/3/2001 23694 #1 630 Air 12.1 0.007 1" 0 8 0.0049 10/3/2001 23695 #2 624,8 Air <7.0 <0.004 0 0 <8.00 <0.0049 10/3/2001 23696 #3 621.3 Air 7.01 0.004 0 0 <8.00 <0.0050 10/3/2001 23697 #4 619 Air <7.0 <0.004 0 1" 8 0.0050 10/3/2001 23698 #5 617.8 Air <7.0 <0.004 0 0 <8.89 <0.0055 10/3/2001 23699 #6 487 Air <7.0 <0.006 0 0 <8.89 <0.0070 10/3/2001 01721 #7 652.8 Air <7.0 <0.004 0 0 <8.00 <0.0047 10/3/2001 01722 #8 616 Air <7.0 <0.004 0 0 <8.00 <0.0050 10/3/2001 01723 604.6 Air 21.66 0.014 2" 0 16 0.0102 10/3/2001 01724 #9B 0 Air <7.0 0 0 <8.00 10/3/2001 01725 #10 609 Air 12.74 0.008 0 0 <7.27 <0.0046 coc# 04217 " Chrrysotile

NS: Not sampled AF/ANF: Asbestos fibers/Non asbestos fibers 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; 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) Standard criteria; EPA 40CFR Part 763 (AHERA): 0.01 fiber/cc (PCM), 70 S/mm^ volume 1200 L, for 25 mm filter (TEM)

ERT: 10/05/01 9:50 AM

o H

to

s o o o I o o Co

CaJ FK-10-03-01a Ui ro

NYC-WTC_000195884