WTC environmental lab report and data distribution, January 2002

NYC-WTC_000130597 NYC Response Asbestos Air Sampling Results at Fixed Locations Sampling Date and Time: 12/24/01 0001 to 1200 PCM by NIOSH 7400 TEM AHERA) Sampling Date Sample No. Sampling | Sample Location | Volume* fimm? ficc Structures (#) 0.5p - 5p 5y Simm? S~ficc™* 12/24/01 RST-02334 L 720 Matrix Air <7.0 <0.004 0 <8.89 <0.0048 12/24/01 RST-02335 M-1 720 Air <7.0 <0.004 0 <8.89 <0.0048 12/24/01 RST-02336 M1-Duplicate 720 Air <7.0 <0.004 0 <8.89 <0.0048 12/24/01 RST-02337 N 720 Air <7.0 <0.004 0) <8.89 <0.0048 12/24/01 RST-02338 J 720 Air <7.0 <0.004 0 <8.89 <0.0048 12/24/01 RST-02339 J-Duplicate 680 Air <7.0 <0.004 4% 0.0045 12/24/01 RST-02340 720 Air <7.0 <0.004 1 he 8.89 0.0048 12/24/01 RST-02341 720 Air <7.0 <0.004 <8.89 <0.0048 12/24/01 RST-02342 720 Air <7.0 <0.004 <8.89 <0.0048 12/24/01 RST-02343 584 Air <7.0 <0.005 <8.89 <0.0059 12/24/01 RST-02 720 Air <7.0 <0,004 <8.89 <0.0048 12/24/01 RST-02345 720 Air <7.0 <0.004 <8.89 <0.0048 12/24/01 RST-02346 477 Air <7.0 <0.006 <8.00 <0.0065 12/24/01 RST-02347 366 Air <7.0 <0.007 <8.00 <0.0084 12/24/01 RST-02348 720 Air <7.0 <0.004 <8.89 <0.0048 42/24/01 RST-0234 9 720 Air <7.0 <0.004 <8.89 <0.0048 12/24/01 RST-02350 720 Air <7.0 <0.004 <8.89 <0.0048 12/24/01 RST-02351 720 Air <7.0 <0.004 <8.89 <0.0048 12/24/01 RST-02352 720 Air <7.0 <0.004 <8.89 <0.0048 12/24/01 RST-02353 Ol |COla|Lj—|ale|D/>]/ojo}w 693 <7.0 <0.004 <8.00 <0.0044 12/24/01 RST-02354 720 <7.0 <0.004 <8.89 <0.0048 12/21/01 RST-02355 Ww 1 720 <7.0 <0.004 SCPO/SOJOJ/OlO/Ol/oOlo/josoyso/s/oloa| © <8.89 <0.0048 12/22/01 RST-02356 Ta 672 <7.0 <0.004 [=] <8.89 <0.0051 42/24/01 Field Blank 0 <7.0 Wa NA®) NA® NA®) 12/24/01 TB122401 Trip Blank 0) <7.0 na NA) iN Ie NA?) Sampling Locations: A: NE comer of West Broadway & Barclay B: SE comer of Church & Dey St. C: Trinity (a.k.a. Church) & Liberty C1: SW corner of Broa D: East end of Albany E: Western end of Liberty dway & Liberty St. St. at Greenwich St. St. at South End Ave F: Northern median strip of Vesey & West St G: Church and Duane St H: South side of Chase t: SE corner of Wall J: NE corner of Warren & West St. K: West St. & Albany in median strip L: On walkway toward of Suyvesant High North Park rec area (north side ), access to TAGA bus area Manhattan Plaza at Pine St. St. & Broadway 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 corer 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 40C! FL-12-24-01-am NA®) FR Part 763 (AHERA): 0.01 fibericc (PCM), 70 Simm’, volume 1200 L, for 25 mm filter (TEM) Data Validation Date: 12/27/01 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 nia - Not applicable NR - Not requested NS - Sample not submitted T"). Sample collected on 12/21/01 1200 to 2359 T*). Sample collected on 12/22/01 0001 to 1200 NYC 9/11 Public Portal Document