NYC-WTC_000210944

NYC 9/11 Public Portal Document

NYC Response Asbestos Air Sampling Results at Fixed Locations Sampling Date and Time; 10/02/01 (12:00) to 10/02/01 (24:00)

PCM by NIOSH 7400 TEM (AHERA) Sampling Sampling Sample f/mm’ t/cc Structures (#r S/mm^ S~f/cc* Date Sample No. Location Volume Matrix <5u >5p

10/2/2001 01851 A 720 Air 8.92 Q005 2’^ 0 17.78 0.Q095 10/2/2001 01852 B 720 Air <7.0 10/2/2001 01853 C1 720 Air <7.0 <0.004 <0.004 0 0 — .58:61 <00048 0 <8.89 <00048 10/2/2001 01855 720 Air 10.19 0 005 2** 1*’ 26.67 0.0143 10/2/2001 01858 E 720 Air <7.0 <0.004 0 0 <8.89 <00048 ■ 10/2/2001 01860 F ■ 720 Air ig.li 0.010 0 0 <8.89 <00048 10/2/2001 01867 H 72^ Air 12.74 0007 0 0 <8.89 <00048 10/272001 01854 I 720 Air 7.64 0.004 0 0 <8.89 <00048 10/2/2001 01862 J 720 Air 16.56 0.009 0 1“ 8.89 0.0048 10/2/200'1 01856 k 720 Air i 1.46 0.006 V 0 8.89 0.0048 10/2/2001 01866 L 720 ' Air 7.64 0.004 1** 0 _8^ 0.0048 io/2/2001 01865 'M 720 Air 7.01 <0.004 0 0 <8.89 <00048 10/2/2001 01863 N 720 Air <7.0 <0.004 0 0 <8.89 <00048 10/2/2001 01864 NDJP 720 Air <7.0 <0.004 0 0 <8.89 <00048 10/2/2001 01857 P 720 Air 9.55 0 005 0 0 <8.89 <00048 10/2/2001 01861 Q 720 Air 11.46 0.006 0 0 <8.89 <00048 10/2/2001 01859 S Z20 Air <7.0 <0.004 ■~0 0 <8.89 <0.0048 O coc# 04089 * Chrysotile

I Sampling Locations: NS: Not sampled O A: NE comer of West Broadway & Barclay AF/ANF: Asbestos fibers/Non asbestos fibers m B: SE correr of Churcn & Dey St. Sample volume is below recommended limit of the method: "0 C: Trinity (a.k.a. Church) & Liberty ‘Structure (S) roughly equivalent to fiber (f) I Cl; SW corner of Broadway & Liberty St. NR: Not requested g D: East end of Albany SI. at Greenwich St. NA: not analyzed due to overloading of particulates O E: Western end of Liberty St. at South End Ave 30 F: Northern median strip of Vesey & West St

e 00 G: Church and Duane St. H: South side of Chase Manhattan Plaza at Pine St I: SE corner of Wall St. & Broadway J: NE corner of Warren & West St. > K: West St, & Albany in median strip L: On walkway toward North Park rec area (north side of StuyvesanI High), access to TAGA bus area M: Western end of Harrison St. at West St. (on tree next to bulkhead) > N: South side of Pier 25 (next to volleyball court) ERT: 10/04/01 9:50 AM P: NE corner of South End Ave. & Albany Q: Barclay 8 West St. (center island) in proximity to USCG command post R: TAGA Bus Location c S: Rector & South End 00 z o o 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) o standard criteria: EPA 40CFR Part 763 (AHERA): 0.01 fiber/cc (POM), 70 S/mn^, volume 1200 L, for 25 ram Alter (TEM) o ro CO FL-10-02-01b o co

NYC-WTC_000210944