NYC-WTC_000232858

NYC 9/11 Public Portal Document

NYC Response Asbestos Air Sampiirtg ResuSts at Fixed Locations Data Vaiidation Date: 01/11/2002 Sampiing Date and Time; 01/07/02 1200 to 2353 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** 01/07/02 RST-02937 L 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/07/02 Mf NS Air NS NS NS NS NS NS 01/07/02 RST-02938 N 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/07/02 RST-02939 J 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/07/02 RST-02940 Q 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/07/02 RST-02941 F 661 Air <7.0 <0.004 0 0 <8.00 <0.0047 01/07/02 RST-02942 A 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/07/02 RST-02943 C 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/07/02 RST-02944 B 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/07/02 RST-02945 H 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/07/02 RST-02946 I 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/07/02 RST-02947 D 267 Air <7.0 <0.010 0 0 <8.00 <0.0115 01/07/02 RST-02948 K 387 Air 8.92 0.009 0 0 <8.00 <0.0080 7 01/07/02 RST-02949 T 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/07/02 RST-02950 T-Duplicate 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/07/02 RST-02951 U 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/07/02 RST-02952 U-Duplicate 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/07/02 RST-02953 V 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/07/02 RST-02954 S 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/07/02 RST-02955 P 712 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/07/02 RST-02956 E 720 Air <7.0 <0.004 0 0 <8.89 <0.0048 01/07/02 RST-02957 W 720 Air 8.28 0.004 53.33 0.0285 6.5 01/08/02 FB010802 Field Blank 0 Air <7.0 n/a NA<^> N^ NA<=^> NA<=^> 01/08/02 TB010802 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 NAh> - 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 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"^ NiOSH 7400; Fiber Analysis of Air Samples via NIOSH 7400, Revision 3, issue 2, 8/15/94 to Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) EPA 4QCFR Part 763 (AHERA) Standard criteria; EPA 40CFR Part 763 (AHERA); 0.01 fiber/cc (PCM), 70 S/mirf, volume 1200 L, for 25 mm filter (TEM) S o o o I o Ln to o cn to

NYC-WTC_000232858