NYC 9/11 Public Portal Document
INHALABLE PARTICULATES - SULFATE, NITRATE FRACTIONS
- Dichotomous or Wedding Sampler
NYSDEC Region 2
Metropolitan Air Quality Control Region SULFATE FRACTION
Annual Averages 1989 through 1999 1999 Data Summary_______________
I Annual Arithmetic Mean, (ug/m^) Observations | Highest Values, ug/m'
I Station Site No. 1989 90 91 92 93 94 95 96 97 98 1999 Total % 1“ 3rd
IS 52 (W) 7094-07 (3.9) 12 25 8.7 6.2 4.9
[10/03] [11/14] [11/02]
Greenpoint (W) 7095-01 7.3 7.0 8.2 6.4 5.0 6.6 4.9 4.9 (5.4) 4.6 4.6 50 82 16.5 15.2 14.4
[08/28] [07/17] [09/09]
PS 314 (W) 7095-07 9.1 8.6 (7.5) 5.0 5.2 6.6 4.8 4.5 5.9 5.4 XX XX XX XX XX XX
Port 7097-03 (8.9) 7.3 (8.4) 5.6 5.1 5.9 4.7 4.8 (5.9) (5.0) XX XX XX XX XX XX
Richmond (W)
Sampling at 7095-07 and 7097-03 was terminated on 12/31/98; and commenced at 7094-07 on 10/03/99.
NITRATE FRACTION
Annual Averages 1989 through 1999 1999 Data Summary
Annual Arithmetic Mean, (ug/nY) Observations | Highest Values, ug/m’ 1
I Station Site No. 1989 90 91 92 93 94 95 96 97 98 1999 Total % I" 2”^ 3rd
IS 52 (W) 7094-07 (1.1) 12 25 3.8 2.7 1.2
[11/14] [12/08] [11/20]
Greenpoint (W) 7095-01 0.3 0.3 1.0 0.8 0.9 1.3 1.0 1.3 (1.1) 1.2 0.8 50 82 4.4 2.9 2.5
[01/06] [06/11] [11/14]
PS 314 (W) 7095-07 1.6 1.2 (1.2) 0.8 1.0 1.5 1.1 1.7 1.7 1.3 XX XX XX XX XX XX
Port 7097-03 0.1 0.2 (0.6) 0.6 0.6 1.0 0.6 1.2 (1.0) (0.5) XX XX XX XX XX XX
Richmond (W)
(Annual Means in parentheses are based on less than 75% available data) W - Wedding Sampler D - Dichotomous Sampler [Date of Occun-ence]
NYC-WTC_000186109
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