WTC environmental lab report and data distribution, January 2002

NYC-WTC_000130576 NYC Response Asbestos Air Sampling Results at Fixed Locations Sampling Date and Time: 12/21/01 0001 to 1200 Data Validation Date: 12/27/01 PCM by NIOSH 7400 TEM AHERA) Sampling Date Sample No Sampling | Sample Location | Volume* Matrix fimm? fice Structures (#) 0.5p - 5u Su Simm? S~ficc™* 12/21/01 RST-02209 L 720 Air <7.0 <0.004 <8.89 <0.0048 12/21/01 M-1 ibid Air <7.0 <0.245 <8.00 <0.2800 12/21/01 687 8.28 0.005 <8.00 <0.0045 12/21/01 720 Air <7.0 <0.004 <8.89 <0.0048 12/21/01 720 Air <7.0 <0.004 <8.89 <0.0048 12/21/01 244 <7.0 <0.011 <8.00 <0.0126 12/21/01 720 Air <7.0 <0.004 <8.89 <0.0048 12/21/01 720 <7.0 <0.004 <8.89 <0.0048 12/21/01 263 Air <7.0 <0.010 <8.00 <0.0117 12/21/01 720 <7.0 <0.004 <8.89 <0.0048 12/21/01 422 <7.0 <0.006 <8.00 <0.0073 12/21/01 720 <7.0 <0.004 <8.89 <0.0048 12/21/01 720 <7.0 <0.004 <8.89 <0.0048 12/21/01 720 <7.0 <0.004 OClOlO[O/O/OsOsosolosoysos/o1o <8,89 <0.0048 12/21/01 720 <7.0 <0.004 i N 17.78 0.0095 42/21/01 Z/>2/(O]|<cimlO|ri—ja|<|F/>}> 720 <7.0 <0.004 <8.89 <0.0048 42/21/01 V-Duplicate NS fon NS NS NS NS 12/21/01 R R R R R R R R RST-02218 R R R R R R R ” 720 <7.0 <0.004 <8.89 <0.0048 12/21/01 RST-02226 S-Duplicate 720 <7.0 <0.004 <8.89 <0.0048 12/21/01 RST-0: P 720 <7.0 <0.004 <8.89 <0.0048 12/21/01 RST-0 E 720 <7.0 <0.004 <8.89 <0.0048 12/21/01 RST-02229 w 720 <7.0 <0.004 ” S]2/F/9/9/9|/9 <8.89 <0.0048 12/21/01 FB12210 Field Blank 0 <7.0 nla NA®) NA®) NA®) 12/21/01 TB12210 Trip Blank 0 <7.0 n/a Ss z NA”? NA“? NA”) Sampling Locations: A: NE corner of West Broadway & Barclay B: SE corner of Church & Dey St. C: Trinity (a.k.a. Church) & Liberty Ci: SW corner of Broadway & Liberty St. D: East end of Albany St. at Greenwich St. E: Western end of Liberty F: Northern median s St. at South End Ave trip of Vesey & West St G: Church and Duane St. H: South side of Chase Manhattan Plaza at Pine St. |: SE corner of Wall St . & Broadway J: NE comer 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 bulknead 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: FL-12-21-01-am EPA 40CFR 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 “ Extremely low sample volume collected 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