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NYC-WTC_000199756

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000199756–000199761
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NYC 9/11 Public Portal Document

I Jessica Leighton - RA_sitrepO1-21 .wpd Page 3 j

NYC / ER (Jan 11) - Particulate Monitoring (TEOM PMio)

o Wall Street - 24-hour average concentrations for this period was 22.38 ug/m\ o All readings below the National Ambient Air Quality Standard for PMio (150 ug/m').

• NYC / ER (Jan 12) - Particulate Monitoring (TEOM PM 2.5)

o Park Row (Site 1) - 24-hr average concentration for this period was 11.13 ug/m\ o Chambers St./West St. (Site 2) - 24-hour average concentration for this period was 10.34 ug/m\ o Wall Street - 24-hour average concentrations for this period was 8.56 ug/nt\ o All readings below the National Ambient Air Quality Standard for PM2.5 (65 ug/m’).

NYC / ER (Jan 12) - Particulate Monitoring (TEOM PMio)

o Wall Street - 24-hour average concentrations for this period was 13.11 ug/m\ o All readings below the National Ambient Air Quality Standard for PMio (150 ug/nf).

NYC / ER (Jan 13) - Particulate Monitoring (TEOM PM 2.5)

o Park Row (Site 1) - 24-hr average concentration for this period was 8.50 ug/m\ o Chambers St./West St. (Site 2) - 24-hour average concentration for this period was 8.45 ug/m\ o Wall Street - 24-hour average concentrations for this period was 7.13 ug/m\ o All readings below the National Ambient Air Quality Standard for PM2.5 (65 ug/m’).

NYC / ER (Jan 13) - Particulate Monitoring (TEOM PM.o)

o Wall Street - 24-hour average concentrations for this period was 10.84 ug/m\ o All readings below the National Ambient Air Quality Standard for PMio (150 ug/m’).

NYC / ER (Jan 14) - Particulate Monitoring (TEOM PM 2.5)

o Park Row (Site 1) - 24-hr average concentration for this period was 11.63 ug/m\ o Chambers St./West St. (Site 2) - 24-hour average concentration for this period was 11.83 ug/m\ o Wall Street - 24-hour average concentrations for this period was 13.44 ug/m\ o All readings below the National Ambient Air Quality Standard for PM2.5 (65 ug/m’).

NYC / ER (Jan 14) - Particulate Monitoring (TEOM PMio)

° Wall Street - 24-hour average concentrations for this period was 26.12 ug/m^. o All readings below the National Ambient Air Quality Standard for PMio (150 ug/m’).

CITY_21MC100_002458851

NYC-WTC_000199758

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NYC-WTC_000199758Source: NYC Law Department, mirrored locally

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