WTC environmental lab report and data distribution, January 2002

NYC-WTC_000130591 NYC Response Asbestos Air Sampling Results at Fixed Locations Sampling Date and Time: 12/21/01 1200 to 2359 Sampling Date 12/21/01 12/21/01 12/21/01 12/21/01 12/21/01 12/21/01 12/21/01 12/21/01 12/21/01 12/21/01 12/21/01 12/21/01 12/21/01 12/21/01 12/21/01 12/21/01 12/21/01 12/21/01 12/21/01 12/21/01 12/21/01 12/21/01 12/22/01 12/22/01 Sample No. RST-02230 RST-02231 RST-02232 RST-02233 RST-02234 RST-02235 RST-02236 RST-02237 RST-02238 RST-02239 RST-02240 RST-02241 RST-02242 RST-02243 RST-02244 RST-02245 RST-02246 RST-02247 RST-02248 RST-02249 RST-02250 FB122201 TB122201 Sampling Location I H-Duplicate Sample Volume* 720 720 720 720 720 720 720 720 720 720 700 Matrix NS P-Duplicate 700 720 720 720 720 720 Field Blank Trip Blank Air Air PCM by NIOSH 7400 f/mm? <7.0 8.92 8.28 <7.0 7.64 <7.0 <7.0 10.19 8.92 7.01 <7.0 <7.0 7.64 <7.0 NS <7.0 <7.0 <7.0 <7.0 <7.0 <7.0 17.83 <7.0 <7.0 f/cc <0.004 0.005 0.004 <0.004 0.004 <0.004 <0.004 0.005 0.005 0.004 <0.004 <0.004 0.004 <0.004 NS <0.004 <0,004 <0.004 <0.004 <0.004 <0.004 0.0095 n/a n/a TEM (AHERA) Structures (#) 0.5р-5 S/mm? <8.89 0000 <8.89 <8.89 <8.89 <8.89 <8.89 <8.89 <8.89 <8.89 <8.89 <8.89 <8.89 <8.89 <8.89 NS 000 <8.89 <8.89 <8.89 <8.89 <8.89 <8.89 NA(2) NA(2) NA(2) NA(2) <8.89 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 corner of Broadway & Liberty St. N: South side of Pier 25 (next to vollevball 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 walkway 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-12-21-01-pm Data Validation Date: 12/26/01 S~f/cC** <0.0048 <0.0048 <0.0048 <0.0048 <0.0048 <0.0048 NS <0.0049 <0.0049 <0.0048 <0.0048 <0.0048 <0.0048 <0.0048 NA(2) NA(2) 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(2)- Not analyzedfor TEM n/a-Not applicable NR - Not requested NS - Sample not submitted at this time