WTC environmental lab report and data distribution, January 2002

NYC-WTC_000130583 NYC Response Asbestos Air Sampling Results at Fixed Locations Sampling Date and Time: 12/23/01 1200 to 2359 Sampling Sampling Sample Date Sample No. Location 12/23/01 RST-02314 Volume* 720 12/23/01 RST-02315 L-Duplicate 12/23/01 RST-02316 12/23/01 RST-02317 N-Duplicate 12/23/01 RST-02318 12/23/01 RST-02319 12/23/01 RST-02320 12/23/01 RST-02321 12/23/01 RST-02322 12/23/01 RST-02323 12/23/01 12/23/01 RST-02324 12/23/01 RST-02325 599 12/23/01 RST-02326 12/23/01 RST-02327 12/23/01 RST-02328 12/23/01 12/23/01 RST-02329 RST-02330 12/23/01 RST-02331 12/23/01 12/23/01 RST-02332 12/24/01 RST-02333 390 720 720 12/24/01 FB122401 TB122401 Field Blank Trip Blank PCM by NIOSH 7400 f/mm? <7.0 <7.0 <7.0 <7.0 <7.0 <7.0 <7.0 <7.0 <7.0 <7.0 NS <7.0 <7.0 <7.0 <7.0 <7.0 <7.0 <7.0 <7.0 <7.0 <7.0 <7.0 <7.0 f/cc <0.004 <0.004 <0.004 <0.004 <0.006 <0.004 <0.004 <0.004 <0.004 <0.004 NS <0.004 <0.0045 <0.004 <0.004 <0.004 <0.005 <0.007 <0.007 <0.004 <0.004 n/a n/a TEM (AHERA) Structures (*) 0.54-54 S/mm? <8.89 <8.89 <8.89 <8.89 <8.00 <8.89 <8.89 <8.89 <8.89 <8.89 NS <8.89 <8.00 <8.89 <8.89 <8.89 <8.00 <8.00 <8.00 <8.89 8.89 NA(2) NA(2) NA(2) NA(2) NA(2) NA(2) Sampling Locations: A: NE corner of West Broadway & Barclay B: SE corner of Church & Dey St. C: Trinity (a.k.a. Church) & Liberty C1: SW comner 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 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 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) Data Validation Date: 12/27/01 NYC 9/11 Public Portal Document <0.0048 <0.0048 <0.0048 <0.0049 <0.0051 <0.0048 <0.0048 <0.0048 <0.0060 <0.0084 <0.0079 <0.0048 0.0048 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(*)- Not analyzed due to overloading of particulates NA(2) - Not analyzed for TEM n/a - Not applicable NR - Not requested NS - Sample not submitted FL-12-23-01-pm