NYC-WTC_000196320

NYC 9/11 Public Portal Document

NYC Response Asbestos Air Sampling Results at Fixed Locations Data Validation Date: 01/21/2002 Sampling Date and Time: 01/18/02 1200 to 2359 PCM by NIOSH 7400 TEM AHERA) Sampling Sampling Sample Structures (#) Date Sample No. Location Volume* Matrix f/mm^ f/cc 0.5p ■ 5|j 5|j S/mm^ S~f/cc’* 01/18/02 RST.03407 L Air <7.0 <1.349 0 0 <8.00 <1.5400 01/18/02 RST-03408 M-1 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/18/02 RST-03409 N 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/18/02 RST-03410 J 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/18/02 RST-C3411 Q 498 Air <7.0 <0.005 0 0 <8.00 <0.0062 01/18/02 RST-03412 F 691 Air <7.0 <0.004 0 0 <8.00 <0.0045 01/18/02 RST-03413 A 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/18/02 RST-03414 C 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/18/02 RST-03415 B 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/18/02 RST-03416 I 639 Air <7.0 <0.004 0 0 <8.00 <0.0048 01/18/02 RST-03417 H 596 Air <7.0 <0.005 0 0 <8.00 <0.0052 01/18/02 RST-03418 D 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/18/02 RST-03419 D-Duplicate 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/18/02 RST-03420 K 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/18/02 RST-03421 P 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/18/02 RST-03422 S 679 Air <7.0 <0.004 0 0 <8.00 <0.0045 01/18/02 RST-03423 S-Duplicate 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/18/02 RST-03424 E 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/18/02 RST-03425 U 719 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/18/02 NS Air NS NS NS NS NS NS 01/18/02 RST-03426 V 720 Air <7,0 <0.004 0 0 <8.89 <0.0048 □1/18/02 RST-03427 W 720 Air 7,64 0.004 0 0 <8.89 <0.0048 01/19/02 FB011902 Field Blank 0 Air <7,0 n/a NA^2‘ NA^ NAf’’ 01/19/02 TB011902 Trip Blank 0 Air <7.0 n/a na^2>

Sampling Locations; Key: A: NE comer 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) limit for the TEM method; volume is based C: Trinity (a.k.a. Church) & Liberty M1 : West St. - 50 yards south of Harrison St. at bulkhead 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 corner of South End Ave. & Albany Chrysotile E: Western end of Liberty St. at South End Ave O: Barclay & West St. (center island) in ’*** Extremely low sample volume collected n F: Northern median strip of Vesey & West St proximity to USCG command post G: Church and Duane St. R: TAGA Bus Location NA‘^^ - Not analyzed due to overloading of H: South side of Chase Manhattan Plaza at Pine St S: Rector & South End particulates I: SE corner of Wall St. & Broadway T: Pier 6 Heliport NA'2’- Not analyzed for TEM to J: NE corner of Warren & West St. U: Pier 6 Exit 2 n/a - Not applicable K: West St. & Albany in median strip V: Pier 6 Bus Sign NR- Not requested L: On walkway toward North Park rec area (north side W: Wash Tent Common Area NS - Sample not submitted due to no access of Suyvesant High), access to TAGA bus area to station location o

o NIOSH 7400: Fiber Analysis of Air Samples via NIOSH 7400. Revision 3, Issue 2. 8/15/94 o Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) ERA 40CFR Part 763 (AHERA) CD Standard criteria: EPA 40CFR Part 763 (AHERA): 0.01 flber/cc (PCM), 70 S/mm^ volume 1200 L, for 25 mm filter (TEM)

FL.01-18-02-pm

NYC-WTC_000196320