Legal hold notice for WTC documents, undated

NYC 9/11 Public Portal Document

OCT-15-2001 15:01 718 732 452 6464 718 732 452 6464 P.02/24 1

: - FR U.S. Environmental Protection Agency 1 Air / Bulk / Wipe/ Water Sampling Situ(ww w.epa.gov) ation Report Monday, October 15, 2001 (12 noon)

Landfill Ambient Air Sampling Locations Fresh Kills (Oct 12) - Particulate Monitoring (Dat aram) o Nothing of significance to report based on daily aver age concentration. Fresh Kills (Oct 13) - Particulate Monitoring (Da taram) o Nothing of significance to report based on daily aver age concentration. Ambient Air Sampling Locations NYC / ER (Oct 12) - Particulate Monitoring (PM2.s) Pace University (Site 1) - 24-hr average concentr C Manhattan Boro Community College (Sit ation for this period was 18.08 ug/m3. e 2) - 24-hour average concentration for this period was 19.06 ug/m2. 0 Coast Guard Building - Battery Park (Site period was 16.65 ug/m3. 3) - 24-hour average concentrations for this 0 All readings below the National Ambient Air Quality Stan dard for PM25 (65 ug/m3). NYC / ER (Oct 13) - Particulate Monitoring (PM2 .5) 0 0 O Pace University (Site 1) - 24-hr average Manhattan Boro Community College (Sitconc e 2) entration for this period was 23.28 ug/m3. period was 21.57 ug/m3. - 24-hour average concentration for this 0 Coast Guard Building - Battery Park (Site 3) period was 20.45 ug/m3. - 24-hour average concentrations for this 0 All readings below the National Ambient Air Quality Standard for PM2., (65 ug/m3). NYC / ER (Oct 13) - Volatile organics (TA GA) 0 Benzene exceeded OSHA TWA PEL at two loca ground level. tions on the debris pile in the plume at 0 Benzene was not detected at three locations (Pier 25, Broadway) away from the WTC area in the brea Spruce/Park Row, and Murray/W. 0 Benzene was not detected at Austin Tobin Plaz thin g zone. a in the breathing zone. NYC / ER (Oct 14) - Volatile organics (TAGA) 0 Benzene exceeded OSHA TWA PEL at two loca ground level. tions on the debris pile in the plume at 0 Benzene was not detected at threelocations (Pier 25, Spruce/Park Row, and Murray/W. Broadway) away from the WTC area in the brea 0 Benzene was not detected at Austin Tobin Plazathin g zone. in the breathing zone.

NYC-WTC_000148528