NYC-WTC_000210945

NYC 9/11 Public Portal Document

NYC Response Asbestos Air Sampling Results at Fixed Locations Sampling Date and Time: 10/03/01 (0001) to 10/03/01 (1200)

PCM by NIOSH 7400 TEM (AHERA) _^mpling Sampling Sample f/mm’ f(cc Structures (#)* $/mm^ S~«cc* Date Sample No. Location Volume Matrix <5|i >5p

IO/3/2OOT 0187'3” A 720 Air -26.71 0.014 2^* 17.78 0.0095 10/3/2001 01674 B 720 Air 54.78 0.029 0 0 <8.89 <0.0048 01875 720 Air <7.0 - <0:004 0 0 <8.89 <0.0048 10/3Z20Q1 01878 D 720 Air 12.1 0006 _0_ 0 <8.89 <0.0048 10/3/2001 01882 720 10/3/2Q01 .. 1Q./_3/200,1.. ^im 01876■... -I- H 720 720 Air Air Air <7.0 29.3 <7.0 <0.004 0.018 <0.004 0 0 0 0 0 <8.89 <8.89 <00048 <00048 0 <8.89 <00048 10/3/2001 01877 I 720 Air 0 " 0

w 0.005 <8.89 <0 0048 10^3/2001 01871 720 Air 0.008 0 0 <8.89 <0 0048 10/^01 01872 720 Air 0007 1” 0 8.89 0.0048 10/3/2001 01879 K 720 Air 7.64 6.004 0 0 <8.89 <0 0048 10(^2001 ■ 01887 L 720 Air 7.01 <0.004 0 0 <0 0048 10/3/2001 01886 M 720 Air 10/3/2001 01885 N 720 Air B.92 <7.0 0.005 <0.004 JL 0 <8.89 <0 0048 0 0 <8.89 <0 0048 10/3/2001 01880 P 720 Air

+- 8.92 0.005 0 8.89 0.0048 10/3/2001 01884 720 Air 21.65 0.012 0 <8.89 <0 0048 _ 0 10/3/2001 01881 720 Air 7.01 <0.004 O 0 0 <8.89 <00048 coc« 04090 *' Chrysotile

I Sampling Locations: NS; Not sampled o A: NE corner of West Broadway & Barday AF/ANF: Asbestos fibers/Non asbestos fibers m B: SE comer of Church & 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 C1: SW corner of Broadway & Liberty St. NR: Not requested g D: East end of Albany St. 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 00 G: Church and Duane St.

g > 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: WesI 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) > 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 S West St. (center island) in proximity to USCG command post R: TAGA Bus Location c S: Rector & South End 00 l"” o NIOSH 74C0: Fiber Analysis of Air Samples via NIOSH 7400, Revision 3, Issue 2, 8/15/94 o Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) ERA 40CFR Part 763 (AHERA) o Standard criteria: ERA 4OCFR Part 763 (AHERA): 0.01 fiber/cc (PCM), 70 S/ninl, volume 1200 L, for 25 mm Alter (TEM) o ro 00 FL-10-03-01 O CD

NYC-WTC_000210945