NYC-WTC_000234172

NYC 9/11 Public Portal Document

NYC Response Asbestos Air SampSing ResuSts at Fixed Locations Data VaUdatlon Date; 01/14/2002 Sampiing Date and Time: 01/12/02 0001 to 1200 PCM bv NiOSH 7400 TEM ( AHERA) PCM fibers Sampiing Sampling Sample Structures (#) Dats Sample No. Location Volume* IVIatrix f/mm’ f/cc O-Sp-Sp Sp S/mm’ S~f/cc** 01/12/02 RST-03130 L 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/12/02 RST-03131 Ml 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/12/02 RST-03132 N 44**** Air <7.0 <0.061 0 0 <8.00 <0.0700 01/12/02 RST-03133 N-Duplicate 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/12/02 RST-03134 J 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/12/02 RST-03135 J-Du plicate 423 Air 7.64 0.007 0 0 <8.00 <0.0073 6 01/12/02 RST-03136 Q 717 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/12/02 RST-03137 F 709 Air <7.0 <0.004 0 0 <8.00 <0.0043 01/12/02 RST-03138 A 645 Air 7.64 0.006 0 0 <8.00 <0.0048 6 01/12/02 RST-03139 C 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/12/02 RST-03140 B 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/12/02 RST-03141 H 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/12/02 RST-03142 I 666 Air <7.0 <0.004 0 0 <8.00 <0.0046 01/12/02 RST-03143 D 701 Air <7.0 <0.004 0 0 <8.89 <0.0049 01/12/02 RST-03144 K 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/12/02 T NS Air NS NS NS NS NS NS 01/12/02 RST-03145 U 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/12/02 RST-03146 V 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/12/02 RST-03147 s 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/12/02 RST-03148 p 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/12/02 RST-03149 E 695 Air <7.0 <0.004 0 0 <8.00 <0.0044 01/12/02 RST-03150 w 720 Air 8.92 0.005 0 0 <8.00 <0.0043 01/12/02 FB011202 Field Blank 0 Air <7.0 n/a NA(=^> NA(=^> NA(=^> NA(=^> 01/12/02 TB011202 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 due to no access o of Suyvesant High), access to TAGA bus area to station location 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):0.01 fiber/cc (PCM), 70 S/rnnf, volume 1200 L, for 25 mm filter (TEM) S o o o Io o Ln [.J

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NYC-WTC_000234172