NYC-WTC_000196328

NYC 9/11 Public Portal Document

HiBmarvi Environmental Group Sampling Data One World Finandai Center Brookfield Financial Properties

1 WORLD FINANCIAL CENTER Sanjgj^nfomiatior^ Air S mplinq Bulk Sample; Dust Lead Mercury Sample Number I Location or Compass Sample TEM Air TEM Air TEM Bulk ASTM 5756 ASTM 5755 Lead Date Floor Surface/Component PCM (fb/cc) PLM(%) Point Count Lead pgZff mg/m’ Point Volume (struc/cc) (struc/mm) (%} (% weight) (struc/cm^) mg/kgeppm

DF01/22/01-01 TenlerOfWortc^re^ 01/22/02 9 Gateh^ 1200 <15 0.004 DFd1Z22X)t^Oi Entrance to work Area 01/22/02 K74326 9 Gatehouse 1200 <15 0.004 DF01/22A51-01 Center C)tVlork Area 01/22/02 K74327 g Gatehouse 1200 <15 0.004 DF01/22/01-01 Entrance to Work Area 01/22/02 K74328 9 Gatehouse 1200 10 0.004 DFOl/52/0f-O1 Cenler cS Work Area 01/22X12 9 Gatehouse 1200 <20 0.006 DFOifiStti-OI Entrance to Work Area 01/22X12 K74330 9 Gatehouse 1200 <5 0.002

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(= □J “0 I CA = Chrysotile Asbestos DC = During Cleaning o o NVA= No Visible Asbestos IWA = Inside Work Area o NAD/NA = No Asbestos Detected AQ = Air Quality o FAT = Final Air Test OWA = Outside Work Area 01/11/02 o GO CO

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NYC-WTC_000196367