NYC-WTC_000199715

NYC 9/11 Public Portal Document

I Jessies Leighton - RA_sitrepO4-1O.wpd Pag^

U.S. Environmental Protection Agency (irwH’. cpa.gov) Sampling Situation Report Wednesday, April 10, 2002

Fixed Ambient Air Sampling Locations (Asbestos)

NYC / ER (Mar 9 AM)

o Results pending.

NYC / ER (Mar 24, 1200 - 2400 hrs)

o All 18 samples analyzed were below the TEM AHERA standard.

NYC / ER (Apr 1, 1200 - 2400 hrs)

o All 14 samples analyzed were below the TEM AHERA standard. o 4 samples (Locations U, V, V-duplicate, and D) were not collected due to equipment malfunctions.

NYC / ER (Apr 2, 0001 - 1200 hrs)

o All 17 samples analyzed were below the TEM AHERA standard. o 1 sample (Location S) was not collected since the cassette was stolen.

NYC / ER (Apr 2, 1200 - 2400 hrs)

o 1 of 18 samples analyzed was above the TEM AHERA standard. o Exceedance of the TEM AHERA standard occurred at Location W (80 S/mm^).

Landfill Ambient Air Sampling Locations

Fresh Kills (Mar 24)

o Results pending.

Fresh Kills (Apr 5) - Particulate Monitoring (Dataram)

o Nothing of significance reported at four stations (P-2, P-3, P-6, and P-8) based on daily average concentrations. o Particulate measurements at P-5 were not reportable due to an equipment malfunction.

CITY_21MC100_002458721

NYC-WTC_000199715