WTC environmental lab report and data distribution, January 2002

NYC-WTC_000130561 NYC Response Asbestos Air Sampling Results at Fixed Locations Sampling Date and Time: 12/22/01 0001 to 1200 PCM by NIOSH 7400 TEM (AHERA) Sampling Sampling Sample Structures (#) Date Sample No. Location Volume* 12/22/01 RST-02251 12/22/01 RST-02252 720 620 12/22/01 RST-02253 680 12/22/01 12/22/01 RST-02254 RST-02255 [|zzz₴₴ f/mm? f/cc 0.54-5u 5u S/mm? <7.0 <0.004 <8.89 <7.0 <0.004 <8.00 <7.0 <0.004 <8.00 12/22/01 RST-02256 12/22/01 12/22/01 RST-02257 RST-02258 12/22/01 RST-02259 12/22/01 RST-02260 HCMOI 720 <7.0 <0.004 <8.89 720 <7.0 <0.004 <8.89 720 <7.0 <0.004 <8.89 <7.0 <0.004 <8.89 720 720 <7.0 <0.004 <8.89 <0.004 <8.89 716 <7.0 8.92 0.005 <8.89 12/22/01 RST-02261 <7.0 <0.004 <8.89 12/22/01 RST-02262 696 I-Duplicate 691 10.19 0.006 12/22/01 RST-02263 720 <7.0 <0.004 12/22/01 RST-02264 720 12/22/01 <7.0 NS <0.004 NS 12/22/01 RST-02265 <0.004 12/22/01 RST-02266 <7.0 12/22/01 RST-02267 <7.0 <7.0 <0.004 <0.004 000 0008000 <8.00 <8.89 <8.89 NS <8.89 <8.89 <8.89 12/22/01 RST-02268 710 12/22/01 <7.0 <8.89 ш 720 <7.0 <0.004 <0.004 <8.89 12/22/01 RST-02269 12/22/01 RST-02270 RST-02271 E-Duplicate 720 <8.89 636 Field Blank Air <7.0 7.64 <0.004 0.005 12/22/01 FB122201 <7.0 n/a NA(2) NA(2) <8.00 NA(2) 12/22/01 TB122201 Trip Blank <7.0 n/a NA(2) NA(2) NA(2) Sampling Locations: A: NE corner of West Broadway & Barclay M: Western end of Harrison St. at West St. B: SE corner of Church & Dey St. (on tree next to bulkhead) C: Trinity (a.k.a. Church) & Liberty M1 : West St. - 50 yards south of Harrison St. at bulkhead C1: SW comer of Broadway & Liberty St. N: South side of Pier 25 (next to volleyball ct) D: East end of Albany St. at Greenwich St. P: NE corner of South End Ave. & Albany 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 G: Church and Duane St. R: TAGA Bus Location H: South side of Chase Manhattan Plaza at Pine St. S: Rector & South End I: SE corner of Wall St. & Broadway T: Pier 6 Heliport J: NE corner of Warren & West St. U: Pier 6 Exit 2 K: West St. & Albany in median strip V: Pier 6 Bus Sign L: On waikway toward North Park rec area (north side W: Wash Tent Common Area of Suyvesant High), access to TAGA bus 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 40CFR Part 763 (AHERA): 0.01 fiber/cc (PCM), 70 S/mm', volume 1200 L, for 25 mm filter (TEM) FL-12-22-01-am Data Validation Date: 12/26/01 <0.0048 <0.0048 <0.0048 <0.0049 <0.0045 <0.0048 <0.0048 NS <0.0048 <0.0048 <0.0048 <0.0048 <0.0048 <0.0048 <0.0048 NA(2) NA(2) *Sample volume (iters) is below recommended limit for the TEM method; volumeis based on pump reading. ** Structure (S) is roughly equivalent to fiber (f) *** Chrysotile NA'") - Not analyzed due to overloading of particulates NA(2) - Not analyzed for TEM n/a - Not applicable NR - Not requested NS - Sample not submitted at this time NYC 9/11 Public Portal Document