NYC-WTC_000196316

NYC 9/11 Public Portal Document

NYC Response Asbestos Air Sampling Results at Fixed Locations Data Validation Date: 01/18/02 Sampling Date and Time: 01/16/02 1200 to 2359 TEM AHERA) Sampling Sampling Sample Structures (#) Date Sample No. Location Volume* Matrix f/mm^ f/cc 0.5m • 5m 5m S/mm’ S-f/cc** 01/16/02 RST-03320 L 720 Air <7.0 <0.004 0 0 <889 <0.0048 <889 <0.0048 01/16/02 01/16/02 01/16/02 RST-03321 RST-03322 RST-03323 N M1 J 720 720 711 Air Air Ail- <7.0 <7.0 <7.0 <0.004 <0.004 <0.004 "-4 0 0 0 <8.89 <3.39 <0.0048 <0.0043 01/16/02 RST-03324 Q /2U Air <0.004 0 u ..•o on <0.0013 01/16/02 RST-03325 F 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/16/02 RST-03326 A 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/16/02 RST-03327 C 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/16/02 RST-03328 B 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/16/02 RST-03329 H 720 Air <7.0 <0.004 0 0 <8.39 <0.0048 01/16/02 RST-03330 I 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/16/02 RST-03331 D 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/16/02 RST-C3332 K 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/16/02 RST-03333 T 720 Air ’ <7.0 <0.004 0 0 <8.89 <0,0048 01/16/02 RST-03334 T~Duplicate 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/16/02 RST-03335 U 720 Air <7.0 <0.004 0 0 <8.39 <0.0048 01/16/02 RST-03336 U-Dupiicate 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/16/02 RST-03337 V 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/16/02 RST-03338 S 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/16/02 RST-03339 P 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/16/02 RST-03340 E 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/16/02 RST-03341 W 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/17/02 FB011702 Field Blank 0 Air <7.0 n/a NA’2> NA^ NA® NA*2^ 01/17/02 TB011702 Trip Blank 0 Air <7.0 n/a N^ NA^ NA®

Sampling Locations: Key; A: NE corner of West Broadway & Barclay M: Western end of Harrison St. at West St. * Sample volume (liters) Is below recommended B; SE corner of Church & Dey St. (on tree next to bulkhead) limitfortheTEM method; C: Trinity (a.k.a. Church) & Liberty M1 : West St. - 50 yards south of Harrison St. at bulkhead volume is based on pump reading Cl: SW corner of Broadway & Liberty St. N: South side of Pier 25 (next to volleyball ct) ** Structure (S) is roughly equivalent to fiber (f) D; East end of Albany St. at Greenwich St. P: NE comer of South End Ave. & Albany *“ Chrysotile Q E: Western end of Liberty St. at South End Ave Q: Barclay & West St. (center island) in H F: Northern median strip of Vesey & West St proximity to USCG command post NA''’ - Not analyzed due to overloading of G: Church and Duane St. R; TAGA Bus Location particulates H: South side of Chase Manhattan Plaza at Pine St. S: Rector & South End NA®’ - Not analyzed for TEM I: SE comer of Wall St. & Broadway T: Pier 6 Heliport n/a- Not applicable J: NE comer of Warren & West St. U: Pier 6 Exit 2 NR - Not requested Q K; West St. & Albany in median strip V: Pier 6 Bus Sign NS - Sample not submitted o L: On walkway toward North Park rec area {north side W; Wash T ent Common Area of Suyvesant High), access to TAGA bus area I o o 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) o Standard criteria: EPA 40CFR Part 763 (AHERA): O.ni fiher/cc (PCM), 70 S/mn?, volume 1200 L. for 25 mm filter (TEM) LaJ

FL-01-16-02-pm

NYC-WTC_000196316