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2011 Region 3 Air Quality Data

Description of Region 3 Monitoring Stations
Description of Region 3 Monitoring Stations
Site No. Station County Address Parameters
1328-01 Millbrook Dutchess Forest Road O3, SO2
3502-04 Newburgh Orange 55 Braodway PM2.5
3527-01 Valley Central Orange 1175 Route 17K, Montgomery O3
3566-02 Wallkill Orange 95 Ballard Road Lead
3566-09 Wallkill Orange 260 Ballard Road Lead
3566-11 Scotchtown Orange 27 Industrial Drive, Middletown Lead
3951-01 Mt. Ninham Putnam Gypsy Trail Road, Kent O3, SO2
4353-02 Rockland County Rockland South Mountain Road, Pomona O3
5565-03 Belleayre Mountain Ulster Cross Counry Ski Area Parking Lot, Highmont O3, SO2
5902-04 White Plains Westchester 240 Orchard Street O3, PM2.5

Sulfur Dioxide - Continuous Pulsed Fluorescence

NYSDEC Region 3

Annual Averages 2001 through 2011 Annual Arithmetic Mean (ppb) -
Primary Standard (12 month average not to exceed 30 PPB*)
Station Site No. 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011
Mt. Ninham 3951-01 2.59 2.16 2.41 2.22 2.18 1.67 1.53 1.33 1.14 0.80 0.86
Belleayre Mtn. 5565-03 1.85 1.64 1.68 1.27 1.38 1.25 1.19 0.90 0.71 0.50 0.52
Comparison Between NYS Ambient Air Quality and
Ambient Air Quality Standards for Calendar Year 2011
Station Site No. One Hour Averages
average of 99th percentile for last
3 years not to exceed 75 PPB *
3-Hour Block Averages
Maximum not to exceed 500 PPB
more than once per calendar year *
24 Hour Average
Maximum not to exceed 140 PPB
more than once per calendar year *
Observations 99th Percentile, PPB Obs. Highest Values, PPB Obs. Highest Values, PPB
Midnight - Midnight
Total
Obs.
%
Avail
2011 2010 2009 3-yr
avg
Total 1st 2nd Total 1st 2nd
Mt. Ninham 3951-01 8,182 93 10.6 10.0 17.7 13 2,689 12.1
[01/15,
14]
11.7
[02/11,
11]
342 5.9
[02/11]
4.9
[02/04]
Belleayre Mtn. 5565-03 8,579 98 7.0 6.2 10.4 8 2,823 9.2
[02/11,
11]
8.7
[01/15,
14]
361 5.5
[02/11]
3.9
[01/04]

Footnotes for Region 3 sulfur dioxide data:

(Annual Means in parentheses are based on less than 75% available data)
*New York and Federal Ambient Air Quality Standard
[Date of Occurrence, Hour]
+ Denotes a contravention of NYS/Federal AAQS

Inhalable Particulates (PM2.5) - Rupprecht & Patashnick Sampler

NYSDEC Region 3

Comparison Between NYS Ambient Air Quality and Ambient Air Quality Standards for Calendar Year 2011 (Average of last 3 years' annual means not to exceed 15 µg/m3 *; and average of 98th percentile for last 3 years not to exceed 35 µg/m3 *, changed from 65 µg/m3 on 12/17/06)
Station Site No. Total Obs. MaximumValues 98th Percentile Quarterly Averages, 2011 Annual Mean
1st 2nd 3rd 2011 2010 2009 3-yr avg 1st 2nd 3rd 4th 2011 2010 2009 3-yr avg
Newburgh (F) 3502-04 116 28.7 [08/19] 24.6 [01/15] 20.8 [02/17] 20.8 26.5 20.6 23 8.8 7.2 10.7 7.7 8.6 8.1 7.9 8.2
Newburgh (T) 3502-04 362 34.1 [01/01] 32.1 [07/21] 25.4 [09/04] 20.9 22.1 21.7 22 10.0 6.7 8.6 8.2 8.4 7.9 7.9 8.1
Rockland Co. (T) 4352-02 334 34.6 [01/01] 30.4 [07/21] 25.2 [06/09] 22.3 24.6 20.1 22 8.6 7.5 8.7 7.7 8.1 7.1 (5.8) 7.0
Mamaroneck (F) 5956-01 121 26.8 [02/17] 24.3 [06/08] 22.7 [07/20] 22.7 26.7 27.0 26 9.4 8.4 10.6 9.0 9.3 8.9 9.1 9.1
White Plains (T) 5902-04 336 31.6 [06/09] 30.6 [07/21] 29.3 [01/01] 24.5 22.4 21.6 23 9.3 8.0 9.3 9.2 9.0 7.4 7.2 7.9

Footnotes for Region 3 PM2.5 data:

(Annual Means in parentheses are based on less than 75% available data)*
Federal Ambient Air Quality Standard
F = Federal Reference Method
T = TEOM (Tapered Element Oscillating Microbalance) not for Standards determination
+ Denotes a contravention of Federal AAQS

Ozone - Continuous UV Light Absorption

NYSDEC Region 3

Annual Averages 2001 through 2011 - Annual Arithmetic Mean (ppm)
Station Site No. 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011
Valley Central 3527-01 .030 .029 .029 .028 .031 .029 .030 .026 .025 .029 .025
Rockland County 4353-02 --- --- --- --- --- --- --- --- .025 .032 .029
White Plains 5902-04 .024 .024 .024 .019 .025 .025 .027 .024 .024 .025 .023
Millbrook 1328-01 .030 .029 .028 .025 .025 .024 .027 .027 .027 .029 .027
Mt. Ninham 3951-01 .033 .035 .031 .028 .029 .028 .029 .027 .027 .031 .027
Belleayre Mtn. 5565-03 .035 .036 .036 .034 .035 .034 .034 .030 .032 .035 .033

Sampling at 4353-02 commenced on 06/04/09

Comparison Between NYS Ambient Air Quality and
Ambient Air Quality Standards for Calendar Year 2011
Station Site No. One Hour Averages 4th Highest Daily Maximum 8-Hour Average-
Not to exceed an avg of 0.075 ppm
during the last 3 years,
changed from 0.08 ppm on 5/27/08*
Observations Highest Values, PPM
Total
Obs.
% Avail >.12
PPM
1st 2nd 3rd 4th 2009 2010 2011 Avg
Valley Central 3527-01 8,436 96 0 .119
[07/20, 13]
.086
[05/27,15]
.085
[07/21,17]
.076
[07/21,17]
.066
[05/20]
.075
[07/28]
.067
[05/26]
.069
Rockland County 4353-02 7,847 90 0

.092
[05/27, 15]

.086
[06/09,15]
.085
[06/28,15]
.085
[07/08,13]
.065
[06/07]
.076
[07/12]
.074
[06/28]
.071
White Plains 5902-04 8,264 94 1 .139
+[06/09, 13]
.110
[07/21,12]
.098
[07/07,18]
.091
[06/01,13]
.075
[08/15]
.075
[07/07]
.076
[07/11]
.075
Millbrook 1328-01 7,933 91 0 .123
[07/20, 15]
.087
[07/21,17]
.083
[06/28,18]
.081
[06/07,17]
.068
[05/20]
.076
[08/04]
.072
[06/07]
.072
Mt. Ninham 3951-01 8,319 95 0 .090
[06/09, 14]
.087
[04/29,14]
.087
[07/20,13]
.079
[07/21,12]
.070
[05/21]
.077
[06/19]
.068
[06/28]
.071
Belleayre Mtn. 5565-03 8,552 98 0 .091
[05/26,16]
.084
[07/20,21]
.081
[07/21,19]
.079
[06/07,13]
.067
[05/20]
.070
[04/02]
.071
[06/07]
.069

Footnotes for Region 3 ozone data:

(Annual Means in parentheses are based on less than 75% available data)
*Federal Ambient Air Quality Standard
[Date of Occurrence, Hour]
+ Denotes a contravention of Federal AAQS

Lead - High Volume Air Samplers (Glass Fiber Filters)

NYSDEC Region 3

Annual Geometric Means (µg/m3) 2001 through 2011
Station Site No. 2001 2002 2003 2004 2005* 2006 2007 2008 2009 2010 2011
Wallkill 3566-02 0.04 0.05 0.04 (0.05) 0.03 0.02 0.02 0.018 0.016 0.011 0.015
Wallkill 3566-09 0.06 0.07 0.07 (0.05) 0.05 0.02 0.02 0.038 0.027 0.026 0.027
Scotchtown 3566-11 0.03 0.03 0.03 (0.04) 0.01 0.01 0.01 0.005 0.006 0.003 0.004

* Only 1st quarter data received from lab in 2005.

Comparison Between NYS Ambient Air Quality and Ambient Air Quality Standards for Calendar Year 2011
Station Site
No.
24-Hour Concentrations - µg/m3 THREE MONTH ROLLING AVERAGES
Maximum not to exceed 0.15 ug/m3, effective
beginning 1/1/13 * (the old standard of 1.5 ug/m3
will remain in force until that date)
Total
Obs.
% Avail Maximum 2nd Max. 3rd Max. Highest Values, µg/m3
Value Date Value Date Value Date 2009 2010 2011
Wallkill 3566-02 59 97 .627 02/20 .437 03/10 .140 04/15 0.04 0.04 0.10
Wallkill 3566-09 58 95 11.073 02/20 .439 04/03 .382 06/02 0.08 0.08 1.03
Scotchtown 3566-11 56 92 .030 10/06 .016 05/03 .014 08/13 0.01 0.01 0.01

Footnotes for Region 3 lead data:

(Annual Means in parentheses are based on less than 75% available data)
*Federal Ambient Air Quality Standard
+ Denotes a contravention of Federal AAQS