Asbestos air sampling results for December 2001

NYC-WTC_000130528 NYC Response Asbestos Air Sampling Results at Fixed Locations Sampling Date and Time: 12/04/01 0001 to 1200 Data Validation Date: 12/06/01 PCM by NIOSH 7400 TEM ( AHERA) Sampling Sampling | Sample Date Sample No. | Location | Volume* Matrix Structures (#) 0.5y - 5y fimm? fice 5y Simm? | S~ficc™ 12/04/01 | RST-01469 720 Air <7.0 <0.004 <8.89 <0.0048 12/04/01 | RST-01470 308 Air <7.0 <0.009 <8.00 <0.0100 12/04/01 | RST-01471 720 Air <7.0 <0.004 <8.89 <0.0048 42/04/01 | RST-01472 720 Air <7.0 <0.004 <8.89 <0.0048 12/04/01 | RST-01473 720 Air <7.0 <0.004 <8.89 <0.0048 12/04/01 | RST-01474 720 Air <7.0 <0.004 <8.89 <0.0048 12/04/01 _| RST-01475 720 Air <7.0 <0.004 <8.89 <0.0048 12/04/01 | RST-01476 720 Air <7.0 <0.004 <8.89 <0.0048 12/04/01 | RST-01477 720 <7.0 <0.004 <8.89 <0.0048 12/04/01 | RST-01478 700 <7.0 <0.004 <8.89 <0.0049 A) 5]Zj0]/o}u | <|mlo]r— 12/04/01 | RST-01479 720 <7.0 <0.004 <8.89 <0.0048 12/04/01 | RST-01480 |-Dup 720 <7.0 <0.004 <8.89 <0.0048 12/04/01 | RST-01481 720 a <7.0 <0.004 <8.89 <0.0048 12/04/01 | RST-01482 D-Dup 720 <7.0 <0.004 <8.89 <0.0048 42/04/01 | RST-01 720 <7.0 <0.004 <8.89 <0.0048 12/04/01 | RST-01484 720 <7.0 <0.004 <8.89 <0.0048 12/04/01 | RST-01485 720 <7.0 <0.004 <8.89 <0.0048 12/04/01 | RST-01486 720 <7.0 <0.004 <8.89 <0.0048 12/04/01 | RST-01487 712 <7.0 <0.004 <8.89 <0.0048 12/04/01 | RST-01488 720 <7.0 <0.004 <8.89 <0.0048 12/04/01 | RST-01489 520.2 <7.0 <0.005 8.00 0.0059 S)|E|D|>lolo jus 12/04/01 | RST-01490 720 DID/Ol[DJOl[Ol[OfO/Ol[Olo]Ol/OsoOlOlOl/os/olololo|/o <7.0 <0.004 8.89 0.0048 12/04/01 | FB120401 | Field Blank f(t] <7.0 n/a NA®) NA?) NA NA?) 12/04/01 | 1TB120401 | Trip Blank 0 <7.0 n/a NA@) NA) NA NA) Sampling Locations: A: NE comer of West Broadway & Barclay B: SE comer of Church & Dey St. C: Trinity (a.k.a. Church) & Liberty C1: 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: Northern median strip of Vesey & West St G: Church and Duane St. H: South side of Chase Manhattan Plaza at Pine St. I: SE comer 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 Suyvesant High), access to TAGA bus area M: Western end of Harrison St. at West St. (on tree next to bulkhead) M1 : West St. - 50 yards south of Harrison St. at bulkhead N: South side of Pier 25 (next to volleyball ct) P: NE comer of South End Ave. & Albany Q: Barclay & West St. (center island) in proximity to USCG command post R: TAGA Bus Location S: Rector & South End T: Pier 6 Heliport U: Pier 6 Exit 2 V: Pier 6 Bus Sign W: Wash Tent Common Area 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 40C FL-12-04-01-am FR Part 763 (AHERA): 0.01 fiber/cc (PCM), 70 Simm’, volume 1200 L, for 25 mm filter (TEM) Key: * Sample volume (liters) is below recommended limit for the TEM method; volume is based on pump reading ** Structure (S) is roughly equivalent to fiber (f) ** Chrysotile NA‘ - Not analyzed due to overloading of particulates NA®). Not analyzed for TEM NA®) - Not analyzed due to wet filter n/a - Not applicable NR - Not requested NS - Sample not submitted due to no sample volume NYC 9/11 Public Portal Document