Environmental Services Program

Glover South Site

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

Pollutants Monitored: Sulfur Dioxide (SO2), Lead (Pb)


Sulfur Dioxide (SO2)

Updated: Only historical data shown below. Site has been discontinued

National Ambient Air Monitoring Standard: A three-hour average of 0.50 ppm (parts per million) and/or a 24-hour average of 0.14 ppm (parts per million) and/or an annual average of 0.03 ppm (parts per million). Data reported in three decimal places must be rounded to two decimal places.

Exceedances allowed without a violation being recorded: One per year.

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.

Sulfur Dioxide (SO2)

The units for all averages in this chart are parts per million.
Year Number
of Exceedances
Annual
Average
Maximum
24-Hour Average
Maximum
3-Hour Average
Maximum
1-Hour Average
1996 0 .008 .065 .184 .396
1997 0 .008 .081 .373 .557
1998 0 .008 .106 .235 .441
1999 0 .007 .077 .390 .969
2000 1 .008 .121 .623 1.362
2001 0 .006 .085 .238 .526
2002 0 .0068 .072 .228 ..482
2003 0 .0066 .064 .184 .515
2004 (Instrument removed first Quarter)

Graph of Recent Sulfur Dioxide (SO2) Data


Lead (Pb)

Updated: Within 90 days after the end of a quarter.

National Ambient Air Monitoring Standard: (24-hour samples; one taken every sixth day) A three-month average of 1.5 ug/m3 (micrograms per cubic meter).

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.

Lead (Pb)

The units for all averages in this chart are micrograms per cubic meter.
Year Number of
Exceedances
Maximum
3-Month Average
Maximum
24-Hour Average
1993 2 2.75 11.39
1994 1 1.79 9.12
1995 1 1.56 5.89
1996 4 2.78 9.59
1997 0 .31 2.60
1998 0 .26 2.89
1999 0 .27 1.56
2000 0 .33 2.4
2001 0 .39 1.34
2002 0 .33 4.98
2003 0 .202 1.38
2004 0 .010 .099
2004 (instrument removed 3rd quarter)

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