Unionville, Putnam County
Site Operator: Missouri Department of Natural Resources' Environmental Services Program
Pollutants Monitored: Hydrogen Sulfide (H2S), Ammonia(NH3)
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.
| 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 | |||
Graph of Recent Hydrogen Sulfide (H2S) Data
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.
| 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 |
Graph of Recent Ammonia (NH3) Data
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