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NYC-WTC_000199764

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000199764–000199767
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NYC 9/11 Public Portal Document

r Jessica Leighton - RA sitrepO1-29.wpd Page^J

o Wall Street - 24-hour average concentrations for this period was 13.34 ug/m\ o All readings below the National Ambient Air Quality Standard for PM2.5 (65 ug/m’).

NYC / ER (Jan 22) - Particulate Monitoring (TEOM PMio)

o Wall Street - 24-hour average concentrations for this period was 22.29 ug/m^. o All readings below the National Ambient Air Quality Standard for PMio (150 ug/m’).

NYC / ER (Jan 23) - Particulate Monitoring (TEOM PM 2.5)

0 Park Row (Site 1) - 24-hr average concentration for this period was 12.82 ug/m\ o Chambers St./West St. (Site 2) - 24-hour average concentration for this period was 11.27 ug/m\ o Wall Street - 24-hour average concentrations for this period was 12.47 ug/m\ o All readings below the National Ambient Air Quality Standard for PM2.5 (65 ug/m’).

NYC / ER (Jan 23) - Particulate Monitoring (TEOM PM,o)

o Wall Street - 24-hour average concentrations for this period was 21.25 ug/m^. 0 All readings below the National Ambient Air Quality Standard for PMio (150 ug/m’).

NYC / ER (Jan 24) - Particulate Monitoring (TEOM PM 2,5)

o Park Row (Site 1) - 24-hr average concentration for this period was 14.33 ug/m\ o Chambers St./West St. (Site 2) - 24-hour average concentration for this period was 16.32 ug/m\ o Wall Street - 24-hour average concentrations for this period was 14.94 ug/m\ o All readings below the National Ambient Air Quality Standard for PM2.5 (65 ug/m’).

NYC / ER (Jan 24) - Particulate Monitoring (TEOM PMw)

o Wall Street - 24-tiour average concentrations for this period was 19.82 ug/m\ o All readings below the National Ambient Air Quality Standard for PMio (150 ug/m’).

• NYC / ER (Jan 25) - Particulate Monitoring (TEOM PM 2 s)

o Park Row (Site 1) - 24-hr average concentration for this period was 9.80 ug/m\ o Chambers St./West St. (Site 2) - 24-hour average concentration for this period was 10.59 ug/m\ o Wall Street - 24-hour average concentrations for this period was 10.52 ug/m^. o All readings below the National Ambient Air Quality Standard for PM2.5 (65 ug/m’).

CITY_21MC100_00 2458881

NYC-WTC_000199766

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NYC-WTC_000199766Source: NYC Law Department, mirrored locally

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