Dunklin High School

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

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


Sulfur Dioxide (SO2)

Updated: Monthly

National Ambient Air Monitoring Standard: A three-hour average of 0.50 parts per million (ppm) and/or a 24-hour average of 0.14 ppm and/or an annual average of 0.03 ppm. 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.

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
OLD HIGH SCHOOL SITE
1993 0 .010 .100 .298 .488
1994 0 .010 .057 .280 .580
1995 0 .010 .081 .298 .452
1996 0 .010 .097 .327 .612
1997 0 .007 .074 .260 .464
1998 0 .004 .029 .143 .259
1999 0 .004 .030 .132 .192
2000 0 .004 .032 .98 .131
2001 (SECOND QUARTER Instrurment moved to: J-CREEK)
2001 0 .004 .025 .109 .224
2002 0 .0043 .045 .210 .317
2003 0 .0044 .054 .181 .493
2004 (FIRST QUARTER Instrurment moved to: Main Street)

 


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.

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 1 1.79 8.54
1994 2 2.09 13.15
1995 1 1.85 8.04
1996 3 2.27 10.60
1997 0 1.53 9.23
1998 0 1.45 9.25
1999 0 1.20 7.38
2000 1 1.99 11.50
2001 3 4.50 39.80
2002 0 .73 3.18
2003 0 .390 4.14
2004 0 .47 3.06
2005 0 .37 2.35
2006 0 .37 3.69
2007 0 .52 4.71
2008
FIRST QUARTER not available not available not available
SECOND QUARTER not available not available
THIRD QUARTER not available not available

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