NYC-WTC_000232877

NYC 9/11 Public Portal Document

NYC Response Asbestos Air SampSing ResuSts at Fixed Locations Data VaUdatlon Date; 01/25/2002 Sampiing Date and Time: 01/23/02 0001 to 1200 PCM bv NiOSH 7400 TEM ( AHERA) PCM fibers Sampiing Sampiing Sample Structures (#) Dats Sample No. Location Volume* IVIatrix f/mm’ f/cc O-Sp-Sp Sfi S/mm’ S~f/cc** 01/23/02 RST-03592 L 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/23/02 RST-03593 M-1 720 Air <7.0 <0.004 0 8.89 0.0048 01/23/02 RST-03594 N 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/23/02 RST-03595 J 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/23/02 RST-03596 Q 646 Air <7.0 <0.004 0 8.00 0.0048 01/23/02 RST-03597 F 718 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/23/02 RST-03598 A 454 Air <7.0 <0.006 0 0 <8.00 <0.0068 01/23/02 RST-03599 C 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/23/02 RST-03600 B 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/23/02 RST-03601 H 392 Air <7.0 <0.007 0 0 <8.00 <0.0079 01/23/02 RST-03602 I 666 Air <7.0 <0.004 0 0 <8.00 <0.0046 01/23/02 RST-03603 D 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/23/02 RST-03604 K 299 Air <7.0 <0.009 0 0 <8.00 <0.0103 01/23/02 RST-03605 S 675 Air <7.0 <0.004 0 0 <8.00 <0.0046 01/23/02 RST-03606 P 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/23/02 RST-03607 E 720 Air <7.0 <0.004 2*.. 26.67 0.0143 01/23/02 RST-03608 T 720 Air <7.0 <0.004 2*.. 0 16.00 0.0086 01/23/02 RST-03609 U 720 Air 7.01 0.004 0 0 <8.89 <0.0048 5.5 01/23/02 RST-03610 U-Duplicate 662 Air <7.0 <0.004 0 0 <8.00 <0.0047 01/23/02 RST-03611 V 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/23/02 RST-03612 V-Duplicate 694 Air <7.0 <0.004 0 0 <8.00 <0.0044 01/23/02 RST-03613 W 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/23/02 FB012302 Field Blank 0 Air <7.0 n/a NA(=^> NA(=^> NA(=^> NA(=^> 01/23/02 TB012302 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 on C: Trinity (a.k.a. Church) & Liberty Ml : West St. - 50 yards south of Harrison St. at bulkhead 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 o of Suyvesant High), access to TAGA bus area H NiOSH 7400: Fiber Anaiysis of Air Samples via NiOSH 7400, Revision 3, issue 2, 8/15/94 l"^ [.J Asbestos Fiber Analysis by Transmission Eiectron Microscopy (TEM) EPA 40CFR Part 763 (AHERA) Standard criteria; EPA 40CFR Part 763 (AHERA):0.C1 fiber/cc (PCM), 70 S/rnnf, volume 1200 L, for 25 mm filter (TEM) s o o o Io Ln to o co co cn co

NYC-WTC_000232877