NYC-WTC_000232872

NYC 9/11 Public Portal Document

NYC Response Asbestos Air Sampiirtg ResuSts at Fixed Locations Data Vaiidation Date: 01/29/2002 Sampiing Date and Time; 01/26/02 1200 to 2359 PCM bv NiOSH 7400 TEM ( AHERA) PCM fibers Sampiing Sampling Sample Structures (#) Date Sample No. Location Volume* Matrix f/mm^ f/cc O.Sp ■ Sp Sp S/mm’ S~f/cc** 01/26/02 RST-03740 L 720 Air <7.0 <0.004 0 8.89 0.0048 01/26/02 RST-03741 Mf 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/26/02 RST-03742 N 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/26/02 RST-03743 J 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/26/02 RST-03744 Q 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/26/02 RST-03745 F 720 Air 7.64 0.004 0 8.89 0.0048 6 01/26/02 RST-03746 A 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/26/02 RST-03747 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/26/02 RST-03748 B 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/26/02 RST-03749 B-Duplicate 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/26/02 RST-03750 C 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/26/02 RST-03751 H 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/26/02 RST-03752 I 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/26/02 RST-03753 D 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/26/02 RST-03754 K 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/26/02 RST-03755 U 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/26/02 RST-03756 V 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/26/02 RST-03757 S 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/26/02 RST-03758 P 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/26/02 RST-03759 E 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/26/02 RST-03760 W 720 Air 12.74 0.007 1*** 0 8.89 0.0048 10 01/27/02 FB012702 Field Blank 0 Air <7.0 n/a NA”” NA<"> NA<"> NA<"> 01/27/02 TB012702 Trip Blank 0 Air <7.0 n/a NA”” NA<=^> 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) limit for the TEM method; volume is based C: Trinity (a.k.a. Church) & Liberty Ml : 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 Q: Barclay & West St. (center island) in **** Extremely low sample volume collected 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’”’ - Not analyzed for TEM 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 of Suyvesant High), access to TAGA bus area o H l"^ to NIOSH 7400: Fiber Analysis of Air Samples via NiOSH 7400, Revision 3, issue 2, 8/15/94 S Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) EPA 40CFR Part 763 (AHERA) O Standard criteria: EPA 40CFR Part 763 (AHERAi: 0.01 tiber/cc (PCM), 70 S/mm^ volume 1200 L, for 25 mm filter (TEM) o o I o Ln to o co to

NYC-WTC_000232872