NYC-WTC_000195863

NYC 9/11 Public Portal Document

U.S. Environmental Protection Agency (yvww.epa.gov) Air / Bulk / Wipe/ Water Sampling Situation Report Tuesday, October 23,2001 (3 PM)

Fixed Ambient Air Sampling Locations (Asbestos) NYC / ER (Oct 18, 1200 - 2400 hrs) O All 18 samples analyzed for the period 1200 to 2400 hrs were below the TEM AHERA standard. o 1 sample was not submitted. o 2 additional samples (Locations U and V) for the period 0001 to 1200 hrs were below the TEM AHERA standard. NYC / ER (Oct 19, 1200 - 2400 hrs) O All 19 samples analyzed were below the TEM AHERA standard. O 1 sample (Location P) was not analyzed due to a wet filter. Landfill Ambient Air Sampling Locations Fresh Kills (Oct 19, 1800 - Oct 20,0730) - Asbestos O All 19 samples analyzed were below the TEM AHERA standard. O 1 additional sampling location (W Location #12B) was added to monitor the perimeter.

Fresh Kills (Oct 19) - Dataram O Nothing of significance to report based on daily average concentrations. O Maximum readings have increased significantly from previous day. Fresh Kills (Oct 20) - Dataram O Nothing of significance to report based on daily average concentrations. O Maximum readings have decreased significantly from previous day. Fresh Kills (Oct 21) - Dataram O Nothing of significance to report based on daily average concentrations. Fresh Kills (Oct 22) - Dataram O Daily average concentrations have increased. Ambient Air Sampling Locations NYC / ER (Oct 21) - Particulate Monitoring (PM2.5) O Pace University (Site 1) - 24-hr average concentration for this period was 28.86 ug/m\ o Manhattan Boro Cominunitv College (Site 2) - 24-hour average concentration for this period was 29.59 ug/m\~~

[o/tA CITY_21MC100_0 02574658

NYC-WTC_000195863