NYC-WTC_000203050

Z z o co NYC Emergency Response § Asbestos Air Sampling Results at Fixed Locations ■a c S o o Sampling Date and Time: 10/12/01 (1200) to 10/12/01 (2400)

PCM by MOSH 7400 TEM (AHERA) CT o' ■D hJ o Sampling Sampling Sample f/mm’ f/cc Structures (#)* S/mm’ S-f/cc* o o Date Sample No. Location Volume Matrix 0.5p-5u >5p 3. 03 o cn <3) 10/12/2001 A 1440 Air 19.11 0.005 0 0 <15.75 <0.0042 O 05455 O 10/12/2001 05456 B 1440 Air 7.64 0.002 2" 0 31.5 0.0084 o c 10/12/2001 05457 C 1 1440 Air 11.46 0.003 1" 0 15.75 0.0042 3 10/12/2001 05460 D 1440 Air 11.46 0.003 1" 0 15.75 0.0042 CD 10/12/2001 05465 E 1440 Air 9.55 0.003 0 0 <15.75 <0.0042 10/12/2001 05466 Air 1 i.46 0.003 0 0 <15.75 <0.0042 10/12/2001 05458 H 1440 Air <7.0 <0.002 1" 0 15.75 0.0042 10/12/2001 05459 I 1440 Air 10.19 0.003 3" 0 47.24 0.0126 10/12/2001 05454 J 1440 Air 16.56 0.004 0 0 <15.75 <0.0042 10/12/2001 05461 K 1440 Air <7.0 <0.002 0 0 <15.75 <0.0042 10/12/2001 05451 L 1440 Air 10.83 0.003 0 0 <15.75 <0.0042 10/12/2001 05452 M 1 1440 Air 8.92 0.002 0 <15.75 <0.0042 10/12/2001 05453 N 1440 Air 10.19 0.003 1“ 0 15.75 0.0042 10/12/2001 05464 P 1440 Air 8.92 0.002 0 0 <15.75 <0.0042 10/12/2001 05467 Q 1280 Air 14.01 0.004 0 0 <15.75 <0.0047 10/12/2001 05462 S 1440 Air 7.64 0.002 0 0 <15.75 <0.0042 10/12/2001 05463 SDUP 1440 Air 8.92 0.002 0 0 <15.75 <0.0042 10/12/2001 05469 T 838 Air 10.019 0.003 1" 0 15.75 0.0047 10/12/2001 05468 U 1440 Air 8.28 0.002 0 0 <15.75 <0.0047 10/12/2001 05470 V 1440 Air 11.46 0.003 0 0 <15.75 <0.0047 COC#04038&04003 "Chrysotile; No other types of asbestos fibers were found

Sampling Locations: NS; Not sampled A: NE corner of West Broadway & Barclay S: Rector & South End ‘Structure (S) roughly equivalent to fiber (f) B: SE corner of Church & Dey St. T: Pier 6 Heliport NR; Not requested C: Trinity (a k a. Church) & Liberty U: Pier 6 Exit 2 NA: not analyzed due to overloading of particulates Cl: SW corner of Broadway & Liberty St. V: Pier 6 Bus Sign D; East end of Albany St. at Greenwich St. E: Western end of Liberty St. at South End Ave F: Northern median strip of Vesey & West St G: Church and Duane St. H: South side of Chase Manhattan Plaza at Pine St. I: SE corner of Wall St. & Broadway J: NE corner of Warren & West St. K: West St. & Albany in median strip L: On walkway toward North Park rec area (north side of Stuyvesant High), access to TAGA bus area o M: Western end of Harrison St. at West St. (on tree next to bulkhead) H Ml : West St. - 50 yards south of Harrison St. at bulkhead H N: South side of Pier 25 (next to volleyball court) ERT: 10/15/01 09:50 AM rC I P: NE corner of South End Ave. & Albany ro Q: Barclay S West St. (center island) in proximity to USCG command post R: TAGA Bus Location

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) EPA 40CFR Part 763 (AHERA) I Standard criteria: EPA 40CFR Part 763 (AHERA): 0.01 tiber/cc (PCM). 70 S/mm\ volume 1200 L, for 25 mm filter (TEM) o ro FL-10-12-01 a O'. (_n cn W