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2011 Region 4 Air Quality Data

Description of Region 4 Monitoring Stations
Description of Region 4 Monitoring Stations
Site No. Station County Address Parameters
0101-13 Albany Albany S Ferry and Green St PM2.5
0101-33 Loudonville Albany 300 Albany Shaker Road CO, O3, SO2, PM2.5
4153-04 Grafton Rensselaer 194 Shaver Pond Road O3, SO2

Sulfur Dioxide - Continuous Pulsed Fluorescence

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
Loudonville 0101-33 4.59 3.96 4.06 4.36 5.15 5.07 2.97 3.61 3.85 2.33 1.92
Schenectady 4601-05 3.94 3.51 3.30 3.82 5.16 5.35 2.33 3.42 2.63 1.92 (2.18)
Dyken Pond 4153-03 (1.74) xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx
Grafton State Park 4153-04 (2.31) 2.21 1.98 1.57 1.85 1.37 1.58 1.77 1.52 1.12 1.13

Sampling at 4601-05 was terminated on 06/30/11.

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
Loudonville 0101-33 8,573 98 15.3 14.0 18.0 16 2,812 16.4
[02/05,
11]		 14.5
[02/12,
11]		 363 10.5
[02/12]		 9.9
[02/05]
Schenectady 4601-05 4,249 98 (15.5) 16.0 23.0 18 1,399 12.8
[01/28,
17]		 12.2
[03/18,
08]		 178 6.6
[01/28]		 6.5
[02/07]
Grafton State Park 4153-04 8,176 93 11.3 7.5 9.7 10 2,691 8.5
[02/11,
17]		 8.4
[01/15,
17]		 342 6.1
[01/25]		 5.3
[02/11]

Footnotes for Region 4 sulfur dioxide 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

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

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
Albany Co. HD (F) 0101-13 341 43.6 [01/26] 32.5 [01/01] 29.9 [01/25] 23.5 23.5 22.8 23 10.5 6.4 10.4 7.7 8.7 7.9 8.3 8.3
Albany Co. HD (T) 0101-13 352 31.2 [01/26] 29.9 [01/01] 27.7 [09/04] 20.2 24.3 20.9 22 10.7 6.0 8.0 8.2 8.2 8.1 8.2 8.2
Loudonville (F) 0101-33 92 19.5 [07/11] 18.1 [06/08] 18.0 [12/14] 18.1 27.5 18.8 22 7.9 5.7 8.8 6.2 7.1 7.9 7.0 7.4

Footnotes for Region 4 PM2.5 data:

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

Carbon Monoxide - Continuous Non-Dispersive Infrared

Annual Averages 2001 through 2011 Annual Arithmetic Mean (ppm)
Station Site No. 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011
Loudonville 0101-33 0.4 0.4 0.5 0.4 0.4 0.4 0.4 0.3 0.3 0.3 0.3
Schenectady 4601-05 0.5 0.5 0.5 0.4 0.4 0.5 0.5 0.3 0.3 0.4 xxx

Sampling at 4601-05 was terminated on 12/31/2010.

Comparison Between NYS Ambient Air Quality and Ambient Air Quality Standards for Calendar Year 2011
Station Site No. One-Hour Average
Maximum not to exceed 35 PPM more than once per calendar year *		 Running 8-Hour Average (Non-Overlapping)
Maximum not to exceed 9 PPM more than once per calendar year *
Observations Highest Values, PPM Observations Highest Values, PPM
Total Obs. % Avail >35 PPM 1st 2nd 3rd Total >9 PPM 1st 2nd 3rd Days
>9 PPM
Loudonville 0101-33 8,608 98 0 1.3
[01/04, 21]		 1.2
[01/26, 02]		 1.1
[01/04, 23]		 8,563 0 1.0
[01/26, 06]		 0.8
[01/05, 01]		 0.7
[01/26, 16]		 0

Footnotes for Region 4 carbon monoxide 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 (Note: 9PPM standard is not exceeded unless 8-hour avg > 9.4 PPM)

Ozone - Continuous UV Light Absorption

Annual Averages 2001 through 2011 Annual Arithmetic Mean (ppm)
Station Site No. 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2010
Loudonville 0101-33 .026 .027 .025 .025 .027 .026 .028 0.026 0.027 0.030 0.027
Schenectady 4601-05 .024 .024 .023 .021 .023 .020 .022 0.021 0.023 0.025 (0.027)
Grafton Lake State Park 4153-04 -- .037 .037 .035 .037 .033 .034 0.034 0.033 0.036 0.032

Sampling at 4601-05 was terminated on 06/30/11.

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
Loudonville 0101-33 8,315 95 0 .105 [07/20,18] .078 [09/01,13] .077 [05/26,15] .074 [06/21,13] .064
[05/20]		 .073
[09/01]		 .065
[06/08]		 .067
Schenectady 4601-05 4,275 97 0 .087 [05/26,16] .074 [06/08,15] .067 [05/28,17] .067 [06/07,15] .064
[05/20]		 .073
[09/01]		 .059
[06/01]		 .065
Grafton Lake 4153-04 8,373 96 0 .104 [07/20,18] .070 [06/08,11] .069 [07/17,13] .067 [05/27,17] .068
[05/20]		 .073
[07/04]		 .061
[07/23]		 .067

Footnotes for Region 4 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