NYC 9/11 Public Portal Document
• NYC / ER (Dec 27) - Particulate Monitoring (TEOM PM 2.5)
o Park Row (Site 1) - 24-hr average concentration for this period was 14.92 ug/mi.
o Chambers St./West St. (Site 2) - 24-hour average concentration for this period was
11.96 ug/mi.
o Coast Guard Building - Battery Park (Site 3) - 24-hour average concentrations for this
period was 10.15 ug/mi.
o Wall Street - 24-hour average concentrations for this period was 12.87 ug/mi.
o All readings below the National Ambient Air Quality Standard for PM2.5 (65 ug/m3).
• NYC / ER (Dec 27) - Particulate Monitoring (TEOM PM,o)
o Wall Street - 24-hour average concentrations for this period was 21.38 ug/mi.
o All readings below the National Ambient Air Quality Standard for PM,0 (150 ug/m3)
• NYC / ER (Dec 28) - Particulate Monitoring (TEOM PM 2.5)
o Park Row (Site 1) - 24-hr average concentration for this period was 15.03 ug/mi.
o Chambers St./West St. (Site 2) - 24-hour average concentration for this period was
12.71 ug/mi.
o Coast Guard Building - Battery Park (Site 3) - 24-hour average concentrations for this
period was 9.83 ug/mi.
o Wall Street - 24-hour average concentrations for this period was 12.78 ug/mi.
o All readings below the National Ambient Air Quality Standard for PM2.5 (65 ug/m3).
• NYC / ER (Dec 28) - Particulate Monitoring (TEOM PM,o)
o Wall Street - 24-hour average concentrations for this period was 24.52 ug/mi.
o All readings below the National Ambient Air Quality Standard for PM,,, (150 ug/m3).
• NYC / ER (Dec 18 - 24) - Asbestos Monitoring (Particulate Monitoring Stations)
0 Monitoring sites include:
- Park Row (Site 1)
- Chambers St./West St. (Site 2)
- Coast Guard Building: Battery Park (Site 3)
- Public School 154: 333 East 135' St, Bronx (Site 5)
- Intermediate School 143: 511 West 182 d St., Manhattan (Site 6)
- Public School 274: 800 Bushwick Ave., Brooklyn (Site 7)
- Public School 44: 80 Maple Parkway, Staten Island (Site 8)
- Public School 199: 3290 - 48`h Ave.. Queens (Site 9)
o During this period a total of 48 samples were collected from these monitoring sites.
0 All of the samples were below the TEM AHERA standard.
0 2 samples (Site 6 on Dec. 18 and Site 9 on Dec. 23) were not collected due to equipment
malfunctions.
0 6 locations (Sites 6 and 7 on Dec. 21, Sites 3, 7, and 8 on Dec. 23, and Site 3 on Dec. 24)
were not sampled.
NYC-WTC 000130557
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