Environmental Services Program

Unionville, Putnam County

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

Pollutants Monitored: Hydrogen Sulfide (H2S), Ammonia(NH3)


Hydrogen Sulfide (H2S)

Updated: Monthly

National Ambient Air Monitoring Standard: None

Missouri State Yearly Standard : 0.05 ppm 30min average

Exceedances allowed without a violation being recorded: Two in one year.

Missouri State Weekly Standard : 0.03 ppm 30min average

Exceedances allowed without a violation being recorded: Two in five days.

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.

Hydrogen Sulfide (H2S)

The units for all averages in this chart are parts per million.
Year Number of
Violations
Annual
Average
Maximum
30 Min. Average
Maximum
1-Hour Average
2006 0 .001 .005 .003
2007 0 .0015 .025 .018
2008 (Site Shut Down Second Quarter 2008)
First Quarter 0 .002 .016 .014
Second Quarter 0
Third Quarter Not Available


Ammonia (NH3)

Updated: Monthly

National Ambient Air Monitoring Standard: 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.

Ammonia (NH3)

The units for all averages in this chart are parts per million.
Year Number of
Exceedances
Annual
Average
Maximum
1-Hour Average
2006
4th quarter
0 .0041 .085
2007 0 .0078 .820
2008 (Site Shut Down Second Quarter 2008)
Through
Second Quarter
0 .0044 .126


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