NYC-WTC_000232875

NYC 9/11 Public Portal Document

NYC Response Asbestos Air Sampling Results at Fixed Locations Data Vaiidation Date; 01/13/02 Sampling Date and Time; 01/11/02 0001 to 1200 PCM by NiOSH 7400 ___________TEM ( AHERA) PCM fibers PCM # fields Sampiing Sampling Sample Structures {#) Date Sample No. Location Volume* Matrix f/mm^ f/CC 0,5p - Sp 5p S/mm’ S-f/CC" 01/11/02 RST-03086 L 702 Air <7.0 <0.004 0 0 <8.89 <0.0049 fOO 01/11/02 RST-03087 Mf 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 fOO 01/11/02 RST-03088 N 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 fOO 01/11/02 RST-03089 J 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 fOO 01/11/02 RST-03090 Q 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 fOO 01/11/02 RST-03091 F 651 Air <7.0 <0.004 NA'” NA NA NA<” fOO 01/11/02 RST-03092 A 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 fOO 01/11/02 RST-03093 C 720 Air 7.64 0.004 0 0 <8.89 <0.0048 6 fOO 01/11/02 RST-03094 B 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 fOO 01/11/02 RST-03095 B-Duplicate 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 fOO 01/11/02 RST-03096 H 719 Air <7.0 <0.004 0 0 <8.89 <0.0048 fOO 01/11/02 RST-03097 I 720 Air 7.64 0.004 0 0 <8.89 <0.0048 6 fOO 01/11/02 RST-03098 D 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 fOO 01/11/02 RST-03099 D-Duplicate 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 fOO 01/11/02 RST-03100 K 720 Air <7.0 <0.004 2*.. 0 17.78 0.0095 fOO 01/11/02 RST-03101 T 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 fOO 01/11/02 RST-03102 U 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 fOO 01/11/02 RST-03f 03 V 675 Air <7.0 <0.004 0 0 <8.00 <0.0046 fOO 01/11/02 RST-03104 s 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 fOO 01/11/02 RST-03105 p 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 fOO 01/11/02 RST-03106 E 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 fOO 01/11/02 RST-03107 w 720 Air 10.19 0.005 0 0 <8.89 <0.0048 8 fOO 01/11/02 RST-03108 A-Duplicale 713 Air <7.0 <0.004 0 0 <8.89 <0.0048 fOO 01/11/02 FB011102 Field Blank 0 Air <7.0 n/a NA<^> NA<=^> NA<=^> NA<=^> fOO 01/11/02 TB011102 Trip Blank 0 Air <7.0 n/a NA<^> NA<=^> NA<=^> NA<=^> fOO

Sampling Locations: Key; A: NE corner of West Broadway & Barclay M: Western end of Harrison St. at West St. * Sample volume (liters) is below recommended B: SE corner of Church & Dey St. (on tree next to bulkhead) limit for the TEM method; C: Trinity (a.k.a. Church) & Liberty Ml : West St. - 50 yards south of Harrison St. at bulkhead volume is based on pump reading Cl: SW corner of Broadway & Liberty St. N: South side of Pier 25 (next to volleyball ct) ** Structure (S) is roughly equivalent to fiber (f) D: East end of Albany St. at Greenwich St. P: NE corner of South End Ave. & Albany *** Chrysotile E: Western end of Liberty St. at South End Ave Q: Barclay & West St. (center island) in F: Northern median strip of Vesey & West St proximity to USCG command post NAd’ - Not analyzed due to overloading of G: Church and Duane St. R: TAGA Bus Location particulates H: South side of Chase Manhattan Plaza at Pine St. S: Rector & South End NA<^’ - Not analyzed for TEM I: SE corner of Wall St. & Broadway T: Pier 6 Heliport n/a - Not applicable J: NE corner of Warren & West St. U: Pier 6 Exit 2 NR - Not requested O K: West St. & Albany in median strip V: Pier 6 Bus Sign NS - Sample not submitted H L: On walkway toward North Park rec area (north side W: Wash Tent Common Area of Suyvesant High), access to TAGA bus area [.J NIOSH 7400: Fiber Anaiysis of Air Samples via NiOSH 7400, Revision 3, issue 2, 8/15/94 s o Asbestos Fiber Anaiysis by Transmission Electron Microscopy (TEM) EPA 40CFR Part 763 (AHE3A) Standard criteria; EPA 40CFR Part 763 (AHERA); 0.01 tiber/cc (PCM), 70 S/mm", volume 1200 L, for 25 mm filter (TEM) o o I Ln o

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NYC-WTC_000232875