NYC-WTC_000210953

NYC 9/11 Public Portal Document

NYC Response Asbestos Air Sampling Results for Staten Island Landfill Sampling Date and Time: 10/05/01 1300 to 10/06/01 0800

PCM by NIOSH 7400 TEM (AHERA) Sampling Sampling Sample f/mm^ f/cc Structures (#) S/mm^ S-fZcc* Date Sample No. Location Volume Matrix O.Sp- Sp

02151’ #1 720 Air <7.0 <0.004 0 0 <8.00 <0.0043 02152"' 817 Air <7.0' <0.003 0 0 <8.00 <0.0038 10/5-6/2001 02153 --#3 720 Air’ <7.0 <0.004 0 0 <8.00 <0.0043 10/5-6/2001 02154 #4 No Air volume recorded.; Results not available 10/5-6/2001 02155 #5 <7.0 <0 004 0 0 <8.00 <0.0043 10/5-6/2001 02156 " #6 Al' <7.0 <0.004 0 0 <8.00 <0.0043 10/5-6/2001 10/5-6/2001 02157 02158 #7 #8 a.. Air Air <7.0 <7.0 <0.004 <0.004 0 0 0 0 <8.00 <8.00 <0.0043 <0.0043

t 10/5-6/2001 02159 #9A Air <7.0 <0.012 0 <0.0043 10/5-6/2001 02160 #9B Air <7.0 <0.004 0 0 <8.89 <0.0048 10/5-6/2001 02191 #9C Air <7.0 <0.004 0 0 <8.89 <0.0048 1^5:6^^ 02192 #10 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 coc# 04223 *’ Chrysotile

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: 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; EPA40CFR Part 763 (AHERA); 0.01 fibericc (PCM), 70 S/mn?, volume 1200 L, tor 25 mm filter (TEM)

ERT: 10/07/01 9:50 AM

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NYC-WTC_000210953