PCM fiber analysis results, WTC air data, Sep 2001

z z -< o o io SciLab Job#: 2O1W1S3S Client \’amc; Riverpoirt, Inc. —o* co

I o o Phase Contrast Microscopy (PCM) Fiber Results ■D c CT o CJ> a 1017’; DEPi NYC, Manhattan o' "0 CD ro o How Air Fiber Fibirs o KJ tl SciLab Client Rate Duratioi! Fillercd DenMy Coic. TWA Helds Fibers Sample# Sample#/Location Cdlecied (liteisZmin.) (min.) Clitefi!) {Fibers/nm*^) (Rbeis/cc) O o o 0! H-1005 10/M- 15 50 750 5 6.37 <a®4 c 3 g RectorP&ce CD 3

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03 13-1005 WeaEwJWtstThoiftai I2.J(»5 10'5/0

IWS/O. IS

IS SO

50 750

750 100

1(» 4

3 5.10

3.82 <O.OM

<0,(04 w 3rd ?!«.•/ West End/ Wstei Sde o 04 9-1005 IO/5/Oi 15 so 750 100 3 3.8; <0X04 ■'T SoBlh sed Albsay M OS 8-l(H)S 1«5« 15 so 750 IGO 4 S.IC <0.!»4 (3aieu>»* 14 a?j» (South Hid Of Libfaty> §OJ 06 10-1005 lorso IS so 750 100 9 11.45 00«6 Wett Of A!b»»y 07 19-1005 wsxa 15 50 750 lOO 9 11.45 0.006 Trinity FUk a James

I 08 Fteld3I»ftit FB-IA 10/5*0 0 0 0 100 0.5 0.64 Fostnotei! I o 09 FB-2A 10/5.0 0 0 0 100 0.5 0.64 It ntldlhnk FMtn&tes: / 2 Reporting No «: LU (1) FibcyiJcccaniiOtbeca^tate^nr saxKca (oj blanks) wkb ao air .’oliiKe, 8 Aaslyad hy PfeiCotl.-oai___ t : Osie Aobtyjal; 1 J«i«l

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