NYC-WTC_000187873

NYC 9/11 Public Portal Document

NYC Response Asbestos Air Sampling Results at Fixed Locations Sampling Date and Time 16 00 (9/22/01) Io 04 00 (09/23/01)

PCM by NIOStI 7400 TEM by NIOSH 7402 TEM ( ABERA) Sampling Sampling Sample l/mrii’ (/cc AP/NAF Adjusted Strucliires (//) S/niin’ S-l/cc' Dale Sample No Location Volume Matrix 3 EM (/cc <5p >5p

9/22 - 9/23 00626 A 720 Alt 29 3 0016 O/'t <0 004 NA 9/22 - 9/23 00623 B 720 Air 20 38 0 01 1 1/2 <0 004 1 0 0 89 0 0040 a/22 - 9/23 00627 C 720 Air 21 02 0 011 0/1 <0 004 2^ 1 0 89 0 00-10 9/22 - 9/23 00629 D 720 Arr NA NA NA NA NA 9/22 - 9/23 01462 E 720 Alt <7 0 '0 004 <0 00-1 0 0 <8 89 <0 00-18 9/22 - 9/23 01461 F 720 All 15 29 0 ooh' 0/1 '0 00'1 2 0 17 78 0 0095 9/22 - 9/23 01465 F DUP 720 All 20 38 ”6011 0/1 '0 00-1 0 0 <8 89 <0 00'18 9/22 - 9/23 NS G 9/22 - 9/23 00630 H 720 Air 8 92 0 005 0/2 '0 00-t 0 0 '8 89 <0 0048 9/22 - 9/23 00628 I 720 Air 8 92 0 005 0/2 '0 00'1 IJ 0 <8 89 <0 00'18 9/22 - 9/23 01466 J 720 Air 12 1 0 OUG 0/0 '0 00-1 0 0 <8 09 <0 0048 9/22 - 9/23 00625 K 720 Arr 28 03 0 015 0/0 <0 004 1 1 17 70 0 0095 9/22 - 9/23 00622 L 720 Air 9 55 0 005 0/0 <0 00'1 o’ TT <0 09 <0 0048 9/22 ■ 9/23 01464 N 720 Air <70 '0 00'1 0/1 '0 oo-l 0 0 <0 89 <0 0048 9'22 ■ 9/23 01463 1.1 720 An 10 19 0 005’ 0/0 '0 00'1 0 0 <0 09 <0 0048 9/22 - 9/23 NS O 9'22 - 9/23 00624 P 720 Air -7 0 '•0 00'1 U/l) '0 00 1 1 0 «eo 0 00-10 n

Sampling Locations NS Not s.impled A liilersection o( Barclay+Wesl Broadway Al /AN( Asbesos (ibors/Non osbesus libers iJ Inlotseclion o( CIturcIn-Dey SI Satniilr,' volume is below lecoinincnded Hiinl o( llic inelbod C liilersection of Liberty+Droadway ‘Sliut lure (5) Roughly C(|Uilvalcnl Io Fiber (F) D liilersection of Gieenwicli+Albaiiy NA iiol anjlyzed due Io oveloading o( (rorliculales E Intetseclion of Libeity+Soulli End Ave HR Analysis not rcqiiesicd F Intersection of Vesey+Wesl SI G liilerseclion of Church and Duane H One Chase Plaza I Wall Slieet+Bioadway J Corner of West and Warren o K Corner of Albany and West I. Siutie Higli Noitli N Pier 25 CHI O'J/2'I/OI 0 00 Al 1 r.1 liiteisecliuri ol llariisori ♦ WesI S P Inlet section ol Albany and Soulh end o O O I NIOSH 7400 Fiber Analysis ol Air samples Via NIOSH 7400, Revision 3, Issue 2, U/15/94 o NIOSH 7402 Asbestos Analysis ol air samples by Traiisnnssiun Elccltoii filicioscupy S' Ui Asbestos Fiber Analysis by Transmission Election Microscopy (lEM) FPA 40CI'H I’.ul 7C3 (AHFRA) •,l mil.ml 1 Iiti'ila I PA 4I)CI’ R P.ii I 76 J (AIIIRA) II (I llihei/i 1 (PCM), /n'./iiim?. viihiiin' I ZIIUI . hii 2'iMM hlini (I I r.lj

S’ I 1 If I f I (I I I A'.

NYC-WTC_000187873