NYC 9/11 Public Portal Document
INHALABLE PARTICULATES - Wedding or Dichotomous Sampler
NYSDEC Region 2
Metropolitan Air Quality Control Region
Bronx and Brooklyn Sites Annual Averages 1989 through 1999
Annual Arithmetic Mean (ug/m’)
3 Yr
Station Site No. 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 Exp Vai
IS 155 7094-03 (30) 27 26 24 21 27 23 23 25 23 XX XX
Morrisania 11 7094-05 29 31 28 25 29 24 26 24 24 XX XX
IS 52 7094-07 (16) XX
Greenpoint 7095-0 IN 30 30 30 26 25 29 25 26 (26) 23 23 24
PS 321 7095-06 28 27 25 23 21 25 20 22 24 20 XX XX
PS 314 7095-07N 44 39 29 23 27 31 26 27 28 26 XX XX
Sampling at 7094-03, 7094-05, 7095-06, and 7095-07 was terminated on 12/31/98; and commenced at 7094-07 on 10/03/99.
CoinparisonBetween^rYSArabientAirQiialityandAinbientAirQualityStandardsforCalendarYearl999
# of Days > 150 ug/m’ -
24-Hour Concentrations - ug/m^ Not to exceed an expected avg of one per year
during the last 3 years *
I Maximum 2"“' Max. 3"“ Max. 1997 I 1998 1999
Total Exp
Station Site No. Obs. Value Date Value Date Value Date Mea Est Mea Est Mea Est Avg
IS 52 (W) 7094-07 12 27 11/14 22 11/02 22 12/08 0 0.0 0.0
Greenpoint (W) 7095-01N 50 51 09/09 46 07/17 42 07/29 0 0.0 0 0.0 0 0.0 0.0
(Annual Means in parentheses are based on less than 75% available data) N=NAMS (National Air Monitoring Station) Mea=Measured Est=Estimated
•New York and Federal Ambient Air Quality Standard W=Wedding Sampler D=Dichotomous Sampler + Denotes a contravention of NYS/Federal AAQS
NYC-WTC_000186093
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