NYC-WTC_000196293

NYC 9/11 Public Portal Document

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

Date Sampling Sample PCMbvNIOSH 7400 TEM (AHERA) Sampled Sample No. Location Volume Matrix f/mm^ f/cc O.Sp - 5p I 5p S/mm^ S~f/cc* S(#) 10/23/01 02068 Liberty Park 480 Air <7.0 <0.006 0 0 <6.15 <0.0049 10/23/01 02069 CITGO Terminal 480 Air <7.0 <0.006 0 0 <6.15 <0.0049 10/23/01 02070 PMC Terminal 480 Air <7.0 <0.006 0 0 <6.15 <0.0049 10/23/01 10751 Shell Terminal 0 Air Not Sampled COC# 04827

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 1330 (10/23/01) to 2130 (10/23/01) CITGO Terminal 1409 (10/23/01) to 2209 (10/23/01) ERT: 10/26/01 09:50 AM FMC Terminal 1448 (10/23/01) to 2248 (10/23/01) Shell Terminal

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NYC-WTC_000196293