WTC environmental lab report and data distribution, January 2002

NYC-WTC_000130592 NYC Response Asbestos Air Sampling Sampling Date and Results at Fixed Locations Time: 12/23/01 0001 to 1200 Data Validation Date: 12/26/01 PCM by NIOSH 7400 TEM AHERA) Sampling ‘Date Sample No. Sampling Location Sample Volume* Structures (#) fimm? ficc 0.5p - 5u 5p Simm? S~ficc™ 12/23/01 RST-02293 L 720 Matrix Air <7.0 <0.004 <8.89 <0.0048 12/23/01 RST-02294 = 720 Air <7.0 <0.004 <8.89 <0.0048 12/23/01 RST-02295 649 Air <7.0 <0.004 <8.00 <0.0047 12/23/01 RST-02296 720 Air <7.0 <0.004 <8.89 <0.0048 12/23/01 RST-02297 479 Air <7.0 <0.006 <8.00 <0.0064 12/23/01 RST-02298 720 Air <7.0 <0.004 <8.89 <0.0048 12/23/01 RST-02299 383 Air <7.0 <0.007 <8.00 <0.0080 12/23/01 RST-02300 Z|[>(Cjrj<cia 720 Air <7.0 <0.004 <8.89 <0.0048 42/23/01 RST-02301 B-Duplicate [or 720 Air <7.0 <0.004 <8.89 <0.0048 12/23/01 720 Air 7.64 0.004 <8.89 <0.0048 12/23/01 704 Air <7.0 <0.004 <8.89 <0.0049 12/23/01 512 Air <7.0 <0.005 <8.00 <0.0060 12/23/01 Ojr|—-|a 720 Air <7.0 <0.004 <8.89 <0.0048 12/23/01 D-Duplicate QJ 720 Air 7.01 0.004 <8.89 <0.0048 12/23/01 720 Air <7.0 <0.004 <8.89 <0.0048 12/23/01 720 Air <7.0 <0.004 <8.89 <0.0048 12/23/01 718 Air <7.0 <0.004 <8.89 <0.0048 12/23/01 713 Air <7.0 <0.004 <8.89 <0.0048 12/23/01 718 <7.0 <0.004 <8.89 <0.0048 12/23/01 720 <7.0 <0.004 <8.89 <0.0048 12/23/01 ¥/D|>|o]o |] => 720 <7.0 <0.004 DLDIOJOl[Ol/O/O]Ol/OpOsOsOl/OlsOloyosyolsolsoso|o QOLOJOJOl/O][O]/O/OJ/O/Ol/Ol/Osa/O/oO/Qsosojo|o <8.89 <0.0048 12/23/01 Field Blank ) <7.0 va NA®) NA®) NA® NA® 12/23/01 RST- RST- RST-0: RST-02. RST- RST- RST-02308 R RST- RST-023 RST- RST- Fi T Trip Blank 0 <7.0 n/a NA?) NA) NA?) NA) Sampling Locations: A: NE corer of West Dey St. C: Trinity (a.k.a. Church) & Liberty Ci: SW comer of B D: East end of Albany F: Northern median si roadway & Liberty St. Broadway & Barclay B: SE corner of Church & St. at Greenwich St. E: Wester end of Liberty St. at South End Ave G: Church and Duane St. H: South side of Chase Manhattan Plaza at Pine St. |: SE corner of Wall S J: NE corner of Warren & West St. K: West St. & Albany in median strip L: On walkway toward of Suyvesant High 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-12-23-01-am t. & Broadway North Park rec area (north side ), access to TAGA bus area trip of Vesey & West St 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 FR Part 763 (AHERA): 0.01 fiber/cc (PCM), 70 S/mm“, 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 n/a - Not applicable NR - Not requested NS - Sample not submitted at this time NYC 9/11 Public Portal Document