NYC-WTC_000233912

NYC 9/11 Public Portal Document

NYC EmergesTcy Response Asbestos Air Sampling Results NYC ER/NJ DEP

Date Sampling Sample PCM by NiOSH 7400 TEM by NIOSH 7402 TEM ( AHERA) Sampled Sample No. Location Volume Matrix f/mm- f/cc AF/NAF Adjusted <5p I >5p S/mm’ S~f/cc‘ TEM f/cc S(#) 9/28/2001 01966 Liberty Park 480 Air <7.0 <0.006 0/0 <0.006 0 0 <7.75 <0.0062 9/28/2001 01967 CITGO Terminal 480 Air <7.0 <0.006 0/0 <0.006 0 0 <7.75 <0.0062 9/28/2001 01968 FMC Terminal 480 Air <7.0 <0.006 0/0 <0.006 0 0 <7.75 <0.0062 9/28/2001 01969 Shell Terminal 480 Air <7.0 <0.006 0/1 <0.006 0 0 <7.75 <0.0062 coc«)4110

PCM: Phase Contrast Microscopy by NIOSH 7400 TEM: Transmission Electron Microscopy (TEM) EPA 4GGFR Part 753 (AHERA). Sample volume is below recommended limit of the method. ‘Structure (S) roughly equivalent to Fiber (f) Standard criteria: EPA40CFR Part 763 (AHERA): 0,01 fiber/cc (PCM), 70 S/mm’, Volume 1200 L, for 25 mm filter (TEM)

Period in which samples were collected and retrived Sampling Location Sampling Times Liberty Park 1024 (9/27/01) - 0944 (9/28/01) CITGO Terminal 1112 (9/27/01) - 1028 (9/28/01) ERT: 09/30/01 09:50 AM FMC Terminal 1141 (9/27/01) - 1105 (9/28/01) Shell Terminal 1214 (9/27/01) - 1135 (9/28/01)

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NYC-WTC_000233912