NYC-WTC_000210959

NYC 9/11 Public Portal Document

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

Date Sampling Sample PCM by NIOSH 7400 TEM (AHERA) Sampled Sample No. Location Volume Matrix f/mm^ f/cc 0.5p • 5p I 5p S/mm^ S~f/cc* S(#) 10/13/01 02006 Liberty Park 1103 Air <7.0 <0.002 0 0 <12.92 <0.0045 10/13/01 02007 CITGO Terminal 480 Air <7.0 <0.006 0 0 <7.75 <0.0062 10/13/01 02008 FMC Terminal 480 Air <7.0 <0.006 0 0 <7.75 <0.0062 10/13/01 02009 Shell Terminal 480 Air <7.0 <0.006 0 0 <7.75 <0.0062 coc#04192

PCM: Phase Contrast Microscopy by NIOSH 7400 TEM: Transmission Electron Microscopy (TEM) EPA 40CFR Part 763 (AHERA). Sample volume is below recommended limit of the method. *Structure (S) roughly equivalent to Fiber (f) Standard criteria: EPA 40CFR 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 1300 (10/13/01) - 0723 (10/14/01) CITGO Terminal 1345 (10/13/01)-2145 (10/13/01) ERT; 10/15/01 09:50 AM FMC Terminal 1415 (10/13/01) - 2215 (10/13/01) Shell Terminal 1430 (10/13/01) - 2230 (10/13/01)

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NYC-WTC_000210959