WTC environmental lab report and data distribution, January 2002

NYC-WTC_000130564 NYC Response Asbestos Air Sampling Results at Fixed Locations Data Validation Date: 12/30/01 Sampling Date and Time: 12/26/01 0001 to 1200 PCM by NIOSH 7400 TEM ( AHERA) Sampling Sampling | Sample Structures (#) Date | Sample No.| Location | Volume*| Matrix | fimm? ficc 0.5u-5y| Sy Simm? | S~ficc™ 12/26/01 | RST-02417 L 688 Air <7.0 <0.004 0 0 <8.00 <0.0045 12/26/01 _| RST-02418 M-4 720 Air <7.0 <0.004 1“ 0 8.89 0.0048 12/26/01 _| RST-02419 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 12/26/01_| RST-02420 668 Air <7.0 <0.004 0 0 <8.00 <0.0046 12/26/01 | RST-02421 680 Air <7.0 <0.004 3*** 1“ 32.00 0.0181 12/26/01 | RST-02422 720 Air <7.0 <0.004 oo 35.56 0.0190 12/26/01 _| RST-02423 720 Air <7.0 <0.004 0 <8.89 <0.0048 12/26/01_| RST-02424 652 Air <7.0 <0.004 1“* 8.00 0.0047 12/26/01_| RST-02425 B 718 Air <7.0 <0.004 2 1 7.78 0.0095 fol =] 12/26/01 | RST-02426 720 Air <7.0 <0.004 qene 8.89 0.0048 12/26/01 _| RST-02427 720 Air <7.0 <0.004 i“ 8.89 0.0048 OlLOsoyoOs/ol/ojo 12/26/01 _| RST-02428 720 Air <7.0 <0.004 1“* 8.89 0.0048 12/26/01_| RST-02429 720 Air <7.0 <0.004 1" 2" 26.67 0.0143 12/26/01_| RST-02430 669 Air <7.0 <0.004 <8.00 <0.0046 12/26/01 | RST-02431 720 Air <7.0 <0.004 <8.89 <0.0048 12/26/01 | RST-02432 446 Air <7.0 <0.006 <8.00 <0.0069 12/26/01 | RST-02433 668 Air <7.0 <0.004 <8.00 <0.0046 12/26/01 | RST-02434 720 Air <7.0 <0.004 <8.89 <0.0048 ZIDIO|W |< alQlO/L]—jAIs/D/>]/oH]/o jw 12/26/01 | RST-02435 720 Air <7.0 <0.004 <8.89 <0.0048 elololololo|o aJololojojols 12/26/01 | RST-02436 518 Air <7.0 <0.005 1 8.00 0.0059 = 12/26/01 | FB122601 | Field Blank 0 Air <7.0 nla NA?) NA® NA®) NA”) 42/26/01 | 18122601 | Trip Blank 0 Air <7.0 n/a NA®) NA) NA@) NA®) 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 comer 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 1: 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 Simm’, volume 1200 L, for 25 mm filter (TEM) FL-12-26-01-am 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 n/a - Not applicable NR - Not requested NS - Sampie not submitted NYC 9/11 Public Portal Document