WTC environmental lab report and data distribution, January 2002

NYC-WTC_000130594 NYC Response Asbestos Air Sampling Results at Fixed Locations Sampling Date and Time: 12/25/01 1200 to 2359 Sampling Date Sample No. 12/25/01 RST-02398 12/25/01 RST-02399 12/25/01 RST-02400 12/25/01 RST-02401 12/25/01 RST-02402 12/25/01 RST-02403 12/25/01 12/25/01 RST-02404 RST-02405 12/25/01 12/25/01 RST-02406 RST-02407 12/25/01 RST-02408 12/25/01 12/25/01 12/25/01 RST-02409 Sampling Location M1 N-Duplicate CLCOMI- 12/25/01 RST-02410 RST-02411 12/25/01 RST-02412 Sample Volume* 720 720 185***** 720 720 720 720 720 720 720 720 NS 720 720 239 720 12/25/01 RST-02413 12/25/01 RST-02414 12/25/01 12/25/01 RST-02415 RST-02416 720 720 12/26/01 FB122601 12/26/01 TB122601 Field Blank Trip Blank Sampling Locations: A: NE comner of West Broadway & Barclay B: SE corner 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 corner 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 Matrix Air Air Air Air PCM by NIOSH 7400 f/mm? <7.0 <7.0 27.0 <7.0 <7.0 <7.0 <7.0 <7.0 <7.0 <7.0 27.0 NS <7.0 <7.0 27.0 <7.0 27.0 <7.0 <7.0 <7.0 <7.0 <7.0 f/cc <0.004 <0.004 <0.015 <0.004 <0.004 <0.004 <0.004 <0.004 <0.004 <0.004 <0.004 NS <0.004 <0.004 <0.011 <0.004 <0.004 <0.004 <0.004 <0.004 n/a n/a TEM (AHERA) Structures (*) 0.5p-54 S/mm? <8.89 <8.89 <8.00 L 8.89 <8.89 <8.89 <8.89 <8.89 <8.89 <8.89 <8.89 NS <8.89 2*** 17.78 <8.89 <8.89 <8.89 <8.89 <8.89 8.89 NA(2) NA(2) NA(2) NA2) NA(2) NA(2) 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 corner 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 40CFR Part 763 (AHERA): 0.01 fiber/cc (PCM), 70 S/mm', volume 1200 L, for 25 mm filter (TEM) FL-12-25-01-pm Data Validation Date: 12/30/01 s~f/cc** <0.0048 <0.0048 <0.0166 0.0048 <0.0048 <0.0048 <0.0048 <0.0048 <0.0048 <0.0048 <0.0048 <0.0048 0.0095 <0.0143 <0.0048 <0.0055 <0.0048 <0.0048 0.0048 NA(2) NA(2) * 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(1)- Not analyzed due to overloading of particulates NA(2) - Not analyzed for TEM n/a - Not applicable NR - Not requested NS - Sample not submitted