DEP memo on vehicle release from Ground Zero, January 24,

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SAMPLE RESULTS - ASBESTOS AIR - PERSONAL LIMIT OF SAMPLE in tn SAMPLE ANALYSIS DETECTION RESULT I h co DATE I LOCATION NUMBER METHOD USED METHOD Fibers per cc Fibers per cc LABORATORY to ( fO 09/18/01 Landfill 091801-1 Phase Contras! Microscopy______ NIOSH 7400 0.093/oc PHS Denver ( CM 09/18/01 Landfill 091801-2 Phase Contras! Microscopy NIOSH 7400 0.069/oc PHS Denver 09/18/01 Landfill 091801-4 Phase Contrast Microscopy_____ NIOSH 7400 0.035/cc PHS Denver 09/18/01 Landfill 091601-5 Phase Conlrast Microscopy NIOSH 7400 0.01 B/cc PHS Denver 09/19/01 Landfill 091601-6 Phase Conlrast Microscopy NIOSH 7400 0.144/cc PHS Denver 09/18/01 Landfill 091801-6 Phase Conlrast Microscopy_____ NIOSH 7400 0.103/cc PHS Denver c 09/18/01 FieW Blank 091801-9 Phase Conlrast Microscopy_____ NIOSH 7400 PHS Denver I r 09/18/01 Landfill SI918-1 Phase Contrast Microscopy_____ NIOSH 7400 0.094/cc PHS Denver 09/18/01 J Landfill S19 IB-2 Phase Contras! Microscopy_____ NIOSH 7400 0.092/cc PHS Denver c 09/1W0T- Landfill 51916-3 Phase Contrast Microscopy_____ NIOSH 7400 0.030/cc PHS Denver D9HaA)1 Landfill fesi91&-S Phase Contrast Microscopy_____ NIOSH 7400 0.038/cc PHS Denver 3 09/18/01 Landfill ^i^Sl916-9 Phase Contrast Microscopy_____ NIOSH 7400 0.135/cc PHS Denver 09/18/01 Landfill " 51918-10 Phase Conlrast Microscopy_____ NIOSH 7400 0.155/cc PHS Denver G 09/18/01 Landfill 51918-10 Transmission Electron Microscopy 0.0563/cc PHS Denver U 09/18/01 Landfill 51918-14 Phase Contrast Microscopy_____ NIOSH 7400 0.175/oc PHS Denver 09/18/01 Landfill 51918-15 Phase Contrast Microscopy_____ NIOSH 7400 0.t40/cc PHS Denver 09/18/01 Field Blank SI91S-18 Phase Contrast Microscopy_____ NIOSH 7400 PHS Denver c . 09/19/01 Landfill 091901-2 Phase Contrast Microscopy_____ NIOSH 7400 0.019/cc PHS Denver <D E « 09/19/01 Landfill 091901-3 Phase Contrast Microscopy_____ NIOSH 7400 0.019/cc PHS Denver 09/19/01 Landfill 091901-4 Phase Contrast Microscopy NIOSH 7400 0.057/cc PHS Denver <0 Q 09/19/01 Landfill 091901-7 Phase Conlrast Microscopy_____ NIOSH 7400 0.068/cc PHS Denver (I) Q 09/19/01 Landfill 091901-8 Phase Contrast Microscopy_____ NIOSH 7400 0.043/cc PHS Denver ? 09/19/01 Landfill 091901-9 Phase Contrast Microscopy NIOSH 7400 0.116/cc PHS Denver (0 09/19/01 Field Blank 091901-11 Phase Contrast Microscopy_____ NIOSH 7400 PHS Denver c >- 09/19/01 Ground Zero WTCB19-2 Phase Conlrast Microsoopy_____ NIOSH 7400 0.011/cc 0.067/cc PHS Denver fU (D Z 09/19/01 Field Blank WTC919-3 Phase Conlrast Microscopy NIOSH 7400 PHS Denver o ru 09/19/01 Ground Zero wrcgi9-4 Phase Contrast Microscopy NIOSH 7400 0.077/cc PHS Denver i! ■=: CO N 09/19/01 Ground Zero 09/19/01 Field Blank 09/19/01 Ground Zero WTC91B-4 WrC919-5 WTC919^ Transmission Electron Microscopy Phase Conlrast Microscopy_____ Phase Contrast Microscopy NIOSH 7400 NIOSH 7400 0.007/cc 0.1920/cc

0.024/cc PHS Denver PHS Denver ' PHS Denver fdA. U) to CM CO m CM m t GJ o CL N O 09/19/01 Ground Zero WTC919-7 Phase Conlrasl Microscopy NIOSH 7400 0.046/cc ' PHS Denver G1 5 o o 09/19/01 Ground Zero WTC919-7 Transmission Eteclron Microscopy 0.27Trioc ' PHS Denver o I S N TJ O 3 CL k) W 6 O) O 1/10/02 3of3S 12;57 PM z z