Asbestos air PCM fiber results, JLC Environmental Consultants, March 2003

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o Phase Contrast Microscopy (P Fiber Results ■D o c o 03-2744; NYCDEP; 114 Liberty St (Post-Abate) ■'O CT oo ■■53 o' 03 Flow Air Fiber Fibers ■D oo o SciLab Client Rate Duration Filtered Density Cone. 3. Fields Fibers TWA Sample <9 Sample H / Location Collected (Jiters/min.) (min.) (liters) (Fibersyinm^ ) (Fibers/cc) 03

o o 14 79 J/30/03 0 0 0 too ».5 0.64 o c Field Blank Foolaotes: / 3 CD 15 80 3/WO3 0 0 fl 100 0.5 0.64 O h? Field Blank Fonlnotes: / cn <13 Reporting Notes: (i) Fibers/cc ramnolbe calculated for samples (or blanks) with no air volume. C3 AniJyze< bj: Taiyiiia Griirrhak____ /Dufc A.ial)z<d: VilXn SsHipks aaalyzed by NKMII ?40(XA) Method. Issue *2, ^15^; Umk of BelccROtt- 5.5 fiben per 100 fitWs cr 7 fibcrvnOTi2: Blank analyses are reparnd when available, howwr ate. wk med loadjust resultt assodaied JuopJes io iftus rcfiort. This tt.^QiUcla«»OWLY co die sample analysis ©iipieKed as iJbentAqnwBi of fitter art»Mn=Nofil5CTSobMn«d: NA=Nql Analyzed; WaJlouEkcieli Rraiiclc l(c€d area =0.00715 rnoG; IWA =» 8 Hr TWA c^culaliuu hmmulks ixsro exposure kn- icoujoder of pcncki aOl smpleil: Comfirtetux hnii (toytoyc/J Com^aiwe Tesch CakmJazed us a o« e sided DCL to deknniae cetuijUy of compliwKc with die 0.01 fibcs/cc stajidur<L £btiiiutt:d»eli1ive jCaotted den^ahon; Imra^b Sr4.405. bkedah SrO lS, New Yojk samples (NY5D0H FLAP Lab d 11480); NMwnaJ fnsritutr oi ScaoihHih and Trehntrfogy Accrafiiau^o ceqoircDvnis iraixivtc Jul this report wusi xn be npnKtubccd excejM an bdl wiOioot the apfiroval of tbe laboratory . AIH.A * 1172345,

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