Environmental Services Program

Bonne Terre Site

Site Operator: Missouri Department of Natural Resources' Environmental Services Program.

County: Sainte Genevieve       Site ID: 29-186-0005

Pollutants Monitored: Ozone (O3)

Ozone (O3)

Updated: Quarterly.

National Ambient Air Monitoring Standard:

Eight-hour Standard
The three-year average of the fourth highest daily maximum eight-hour average must not be greater than 0.075 ppm (parts per million). To attain this standard, the three-year average of the fourth-highest daily maximum eight-hour average ozone concentrations measured at each monitor within an area over each year must not exceed 0.075 ppm.  (Effective May 27, 2008).

Exceedances allowed without a violation being recorded:
The term exceedance does not apply to the eight-hour standard. The three-year average is used to determine designation of attainment or non-attainment.

Disclaimer: Yearly and quarterly data shown below has been subject to data review and validation procedures by the reporting agency. Monthly data and data shown graphically is raw, unreviewed and unvalidated data.

Ozone (O3)

The units for all averages in this chart are parts per million.
Year Number of Days
Over Standard		 Maximum
1-Hour Average		 Maximum
8-Hour Average		 Fourth Maximum
8-Hour Average
1996 1 0.126 not available not available
1997 0 0.108 not available not available
1998 0 0.106 not available not available
1999 0 0.121 not available not available
2000 0 0.121 not available not available
2001 0 0.114 not available not available
2002 8 0.105 0.094 0.092
2003 3 0.112 0.098 0.083
2004 0 0.078 0.073 0.070
2005 2 0.120 0.093 0.084
2006 1 0.106 0.091 0.077
2007 8 0.109 0.098 0.089
2008 1 0.096 0.084 0.071
2009 2 0.095 0.084 0.069
2010 1 0.086 0.079 0.072
2011 1 0.088 0.077 0.070
2012
Second Quarter 2 0.108 0.096 0.083
Third Quarter 5

Photograph of Bonne Terre

Inactive Pollutants

 

Nitrogen Dioxide (NO2)

Updated: All data shown is historical this instrument was shut down September 2010.

National Ambient Air Monitoring Standard: An annual average of 0.053 ppm (parts per million).

Exceedances allowed without a violation being recorded: None.

Disclaimer: Yearly and quarterly data shown below has been subject to data review and validation procedures by the reporting agency. Monthly data and data shown graphically is raw, unreviewed and unvalidated data.

Nitrogen Dioxide (NO2)

The units for all averages in this chart are parts per million.
Year Number of
Exceedances 		Annual
Average		 Maximum
1-Hour Average
1996 0 0.004 0.033
1997 0 0.004 0.028
1998 0 0.004 0.036
1999 0 0.004 0.026
2000 0 0.004 0.026
2001 0 0.003 0.020
2002 0 0.0037 0.025
2003 0 0.0041 0.035
2004 0 0.0035 0.033
2005 0 0.0038 0.031
2006 0 0.0035 0.023
2007 0 0.0036 0.033
2008 0 0.0030 0.024
2009 0 0.0024 0.031
2010
Through
Third Quarter		 0 0.00254 0.034
Instrument shut down September 2010


Inhalable Particulate (PM2.5)

Updated: Data is historical only.  Insturment has been discontinued. 

National Ambient Air Monitoring Standard: (24-hour samples; one taken every third day)  A three-year average of the 98th percentile 24-hour averages equal or greater than 35 ug/m3 (micrograms per cubic meter) and/or a three-year average of annual averages equal or greater than 15.0 ug/m3 (micrograms per cubic meter).

Exceedances allowed without a violation being recorded: Two percent of daily observations

Disclaimer: Yearly and quarterly data shown below has been subject to data review and validation procedures by the reporting agency. Monthly data and data shown graphically is raw, unreviewed and unvalidated data.

Inhalable Particulate (PM2.5)

The units for all averages in this chart are micrograms per cubic meter.
Year First Maximum
24-Hour Average		 Second Maximum
24-Hour Average		 Annual
Average
2004 33.8 29.8 12.39
2005 36.4 34.6 13.39
2006 60.5 33.1 11.53
2007 37.9 32.7 11.3
2008(TEOM) (Instrument removed )

 

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