NYC-WTC_000230856

NYC 9/11 Public Portal Document

NYC Emergency Response Asbestos Air Sampling Results at Fixed Locations Sampling Date and Time: 10/18/01 1200 to 2400

PCM by NIOSH 7400 TEM ( AHERA) Sampling Sampling Sample f/mm^ f/cc Structures (#)* S/mm2 S~f/cc* Date Sample No. Location Volume Matrix 0.5|j-5|j >5|J

10/18/2001 10561 A 1440 Air 40.76 0.011 0 0 <15.50 <0.0041 10/18/2001 10562 B 1440 Air 56.05 0.015 0 0 <15.50 <0.0041 10/18/2001 10563 C1 1440 Air 53.5 0.014 0 0 <15.50 <0.0041 10/18/2001 10566 D 1440 Air 44.59 0.012 0 0 <15.50 <0.0041 10/18/2001 10570 E 1440 Air 11.46 0.003 0 0 <15.50 <0.0041 10/18/2001 10571 F 1440 Air Jot Submittec 10/18/2001 10564 H 1440 Air 71.34 0.019 0 0 <15.50 <0.0041 10/18/2001 10565 I 1440 Air <7.0 <0.002 0 0 <15.50 <0.0041 10/18/2001 10573 J 1440 Air 30.57 0.008 0 0 <15.50 <0.0041 10/18/2001 10567 K 1440 Air <7.0 <0.002 0 0 <15.50 <0.0041 10/18/2001 10574 L 1440 Air <7.0 <0.002 0 0 <15.50 <0.0041 10/18/2001 10575 M 1 1440 Air 22.93 0.006 0 0 <15.50 <0.0041 O 10/18/2001 10576 N 1440 Air 12.74 0.003 0 0 <15.50 <0.0041 O 10/18/2001 10569 1440 Air <7.0 <0.002 0 0 <15.50 <0.0041 z P m 10/18/2001 10579 P DUP 1440 Air 20.38 0.005 0 0 <15.50 <0.0041 O m 10/18/2001 10572 Q 1440 Air 10.19 0.003 0 0 <15.50 <0.0041 z 10/18/2001 10568 S 1440 Air 11.46 0.003 0 0 <15.50 <0.0041 10/18/2001 10577 u 1440 Air <7.0 <0.002 0 0 <15.50 <0.0041 co 10/18/2001 10578 V 1440 Air 10.19 0.003 0 0 <15.50 <0.0041 CD 10/18/2001 10582^ 1440 Air 30.57 0.008 0 0 <15.50 <0.0041 m 10/18/2001 10583^ V’ 1440 Air 11.46 0.003 0 0 <15.50 <0.0041 o )C# 04311 & 043-

o ^Sampled 10/18./01 0001 t

Sampling Locations: NS: Not sampled o -I m A: NE comer of West Broadway & BarcIS: Rector & South End ■Structure (S) roughly equivalent to fiber (f) O B: SE comer of Church & Dey St. T: Pier 6 Heiiport NR: Not requested C: Trinity (a.k.a. Church) & Liberty U: Pier 6 Exit 2 NA: not analyzed due to overloading of particulates m O Cl: SW comer of Broadway & Liberty SV: Pier 6 Bus Sign □J D: East end of Albany SI. at Greenwich St. o m E: Western end of Liberty St. at South End Ave z F: Northern median strip of Vesey & West St p G: Church and Duane St. H: South side of Chase Manhattan Plaza at Pine St. I I: SE corner of Wall St. & Broadway J: NE corner of Warren & West St. o K: West St. & Albany in median strip w L: On walkway toward North Park rec area (north side of Stuyvesant High), access to TAGA bus area Ml : West St. - 50 yards south of Harrison St. at bulkhead N: South side of Pier 25 (next to volleyball court) ERT: 10/22/01 09:50 AM o P: NE corner of South End Ave. & Albany Q: Barclay & West St. (center island) in proximity to USCG command post R: TAGA Bus Location o m NIOSH 7400: Fiber Analysis of Air Samples via NIOSH 7400, Revision 3, Issue 2, 8/15/94 TI Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) EPA 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)

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NYC-WTC_000230856