NYC-WTC_000205333

NYC 9/11 Public Portal Document

NYC Response Asbestos Air Sampling Results at Fixed Locations Sampling Date and Time: 10/11/01 (00:01) to 10/11/01 (12:00)

PCM by NIOSH 7400 TEM (AHERA) f/mm’ f/cc Structures (#)* I S/mm^ S~«cc* Sampling Sampling Sample Date Sample No. Location Volume Matrix OSu-Su >Su

NA NA 0 <15,50 <0.0041 10/11/2001 17S5Q A 1440 Air Air__ 0.008 0 <15,50 <0.0041 10/11/2001 17551 B 1440 <0.0041

i 10/11/2001 17552 Cl 1440 Air__ <0.002 <15,50 Air B.92 0.002" <15,50 <0.0041 10/11/2001 17555 D 1440 Air 8.92 0.002 <15,50 <0.0041 10/11/2001 17559 E 1440 Air 26.75 0.007 <15,50 <0,0041 10/11/2001 17560 _F___ 1440 . <0,0041

I 10/11/2001 17554 H 1440 Air 7.64 0.002 <15,50 0.003 <15,50 <0,0041 10/11/2001 17553 1 1440 Air ALiL <0,0041 10/11/2001 17563 J 1440 Air 10.19 0.003 <15,50 10/11/2001 17556 K 1420 Air <7.0 <0.002 <15,50 <0,0042 <0,0041

I 10/11/2001 17566 L 1440 Air <7.0 <0.002 <15,50 10/11/2001 17565 Ml 1440 Air <7.0 <0.002 <15,50 <0,0041 10/11/2001 17564 N 1440 Air <7.0 <0.002 <15,50 <0,0041 10/11/2001 1755B P 1440 Air <7.0 <0.002 <15,50 <0,0041

1 10/11/2001 17561 Q 1440 -AL- 10.19 0.003 0 <15,50 <0,0041 10/11/2001 17562 Q Pup 1440 Air <7.0 <0.002 <15,50 <0.0041 10/11/2001 17557 S 1440 Air <7.0 <0.0041 ] coc# 04100 <0.002 I <15.50

Sampling Locations: NS: Not sampled A: NE corner of West Broadway & Barclay 'Structure (S) roughly equivalent to fiber (f) B: SE corner of Church & Dey St. NR: Not requested C: Trinity (a.k.a. Church) & Liberty NA: not analyzed due to overloading of particulates Cl: SW corner of Broadway & Liberty St. D: East end of Albany St. at Greenwich St. E; Western end of Liberty St. at South End Ave F: Northe«n median strip of Vesey & West St 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 Stuyvesant High), access to TAGA bus area M: Western end of Harrison St. at West St. (on tree next to bulkhead) Ml; West St. - 50 yards south of Harrison St, at bulkhead N: South side of Pier 25 (next to volleyball court) P; NE corner of South End Ave, & Albany ERT: 10/12/01 09:50 AM o Q: Barclay & West St, (center island) in proximity to USCG command post R: TAGA Bus Location I S: Rector & South End ■

s 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 flber/cc (PCM), 70 S/mm’, volume 1200 L, (or 25 mm filter (TEM)

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NYC-WTC_000205333