NYC 9/11 Public Portal Document
OZONE - Continuous UV Light Absorption
NYSDEC Region 2
Metropolitan Air Quality Control Region Annual Averages 1989 through 1999
Queens and Staten Island Sites Annual Arithmetic Mean (ppm)
Station Site No. 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999
Queens College 7096-02N .017 .017 .020 .017 .017 .016 .0*17 .017 .024 XXX XXX
Queensboro Comm Coll 7096-08 .021 .020
College Point P.O. 7096-09 .015 .016
Susan Wagner 7097-01 .029 .028 1031) (.023) (.031) .031 .030 .032 .035 .033 .033
Sampling at 7096-02 was terminated on 08/29/97; sampling commenced at 7096-08 on 05/20/98 and at 7096-09 on 05/16/98.
Comparison Between N YS Ambient Air Quality and Ambient Air Quality Standards for Calendar Year 1999
One Hour Averages 4”' Highest Daily Maximum 8-Hour Average -
Not to exceed an avg of 0.08 ppm during the last 3
Observations Highest Values, PPM years *
Total % >.12
Station Site No. Avail PPM 2nd 3rd
Obs. 1- 4* 1997 1998 1999 Avg
Queensboro Comm 7096-08 8,209 94 4 .139-1 .132-1 .132-1 .128-1 .090 .094 .092-1-
Coll [07/18, [07/16, [07/17, [07/19, [06/26] [06/07]
15] 15] 14] 15]
College Point P.O. 7096-09 8,321 95 0 .104 .100 .098 .090 .064 .065 .064
[07/17, [07/16, [07/18, [07/19, [09/27] [07/16]
14] 15] 15] 15]
Susan Wagner 7097-01 4,874 94 3
.153-1 .145-1 .126-1 .123 .122 .090 .105 .105-1-
(Operated 04/01 -
[07/16, [07/17, [07/18, [05/30, [07/16] [05/29] [07/24]
11/01)
18] 15] 14] 17]
Due to EPA Waiver for SLAMS (Non-NAMS), % Availability may be based on operational year of less than 12 months (Susan Wagner)
(Annual Means in parentheses are based on less than 75% available data) N=NAMS (National Air Monitoring Station) [Date of Occurrence, Hour]
*New York and Federal Ambient Air Quality Standard + Denotes a contravention of Federal AAQS (Note: .08 PPM standard is not exceeded unless avg. Of A* max 8-hr concentrations > .084 PPM)
NYC-WTC_000186102
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