NYC-WTC_000195881

NYC 9/11 Public Portal Document

NYC Response Asbestos Air Sampling Results for Staten Island Landfill Sampling Date and Time: 10/05/01 1800 to 10/06/01 0800

PCM by NIOSH 7400 TEM ( AHERA) Sampling Sampling Sample f/mm^ f/cc Structures (#) S/mm^ S~f/cc* Date Sample No. Location Volume Matrix 0.5p- 5p >5h 10/5-6/2001 02151 #1 720 Air <7.0 <0.004 0 0 <8.00 <0.0043 10/5-6/20011 02152 #2 817 Air <7.0 <0.003 0 0 .5122. <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 #5 720 Air <7.0 <0.004 0 0 <8.00 <0.0043 10/5-6/2001 02156 #6 720 Air <7.0 <0.004 0 0 5122 <0.0043 10/5-6/2001 02157 #7 720 Air <7.0 <0.004 0 0 5122 <0.0043 10/5-6/20011 02158 #8 720 Air <7.0 <0.004 0 5122 <0.0043 10/5-6/2001, 02159 #9A 220 Air <7.0 <0.012 0 0 5122 <0.0043 10/5-6/2001 02160 #9B 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 10/5-6/2001' 02191 #9C 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 10/5-6/2001 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, 8/1S/94 Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) ERA 40CFR Part 763 (AHERA) Standard criteria: EPA40CFR Part 763 (AHERA): 0.01 fiber/cc (PCM), 70 S/mm/ volume 1200 L, for 25 mm filter (TEM)

ERT; 10/07/01 9:50 AM

o H

to

o o o I o o co FK-10-06-01 co

Ui

NYC-WTC_000195881