NYC 9/11 Public Portal Document
Ambient Air Sampling Locations
• NYC / ER (Dec 21) - Particulate Monitoring (TEOM PM 2.5)
o Park Row (Site 1) - 24-hr average concentration for this period was 7.20 ug/m?.
o Chambers St./West St. (Site 2) - 24-hour average concentration for this period was
7.75 ug/n 3.
o Coast Guard Building - Battery Park (Site 3) - 24-hour average concentrations for this
period was 6.12 ug/m!.
o Wall Street - 24-hour average concentrations for this period was 8.86 ug/uz3.
o All readings below the National Ambient Air Quality Standard for PM2.5 (65 ug/m3).
• NYC / ER (Dec 21) - Particulate Monitoring (TEOM PM10)
o Wall Street - 24-hour average concentrations for this period was 24.83 ug/nt3.
o All readings below the National Ambient Air Quality Standard for PM10 (150 ug/m3)
• NYC / ER (Dec 22) - Particulate Monitoring (TEOM PM 2.5)
o Park Row (Site 1) - 24-hr average concentration for this period was 7.92 ug/m3.
o Chambers St./West St. (Site 2) - 24-hour average concentration for this period was
10.58 ug/m3.
o Coast Guard Building - Battery Park (Site 3) - 24-hour average concentrations for this
period was 6.31 ug/m3.
o Wall Street - 24-hour average concentrations for this period was 11.53 ug/m3.
o All readings below the National Ambient Air Quality Standard for PM2_5 (65 ug/m3).
• NYC / ER (Dec 22) - Particulate Monitoring (TEOM PMIO)
o Wall Street - 24-hour average concentrations for this period was 23.47 ug/m3.
o All readings below the National Ambient Air Quality Standard for PM10 (150 ug/m3).
• NYC / ER (Dec 23) - Particulate Monitoring (TEOM PM2.5)
o Park Row (Site 1) - 24-hr average concentration for this period was 13.34 ug/m3.
o Chambers St./West St. (Site 2) - 24-hour average concentration for this period was
14.64 ug/m3.
o Coast Guard Building - Battery Park (Site 3) - 24-hour average concentrations for this
period was 13.42 ug/m3.
o Wall Street - 24-hour average concentrations for this period was 15.10 ug/m3.
o All readings below the National Ambient Air Quality Standard for PM2.5 (65 ug/m3).
• NYC / ER (Dec 23) - Particulate Monitoring (TEOM PMIO)
o Wall Street - 24-hour average concentrations for this period was 23.89 ug/`rc3.
o All readings below the National Ambient Air Quality Standard for PM10 (150 ug/m3).
NYC-WTC 000130555
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