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Regional Progress

Many plans and regulations have been developed over the years by the state and local agencies, and approved by EPA, to address air pollution problems in the four-state area. Some of the more noteworthy actions are listed below.

Year Major Milestones in Air Pollution Control in Region 7
1965 Missouri enacts its Air Conservation Law
1967 Iowa approves legislation creating an Air Pollution Control Commission

Kansas enacts its first statute addressing air pollution
1970 EPA is created; the Clean Air Act of 1970 is enacted
1971 EPA promulgates National Ambient Air Quality Standards (NAAQS)

The Nebraska Environmental Protection Act is adopted
1972 EPA approves statewide air pollution control plans for Missouri, Iowa, Kansas, and Nebraska, primarily addressing control of particulate matter and SO2
1977 The Clean Air Act Amendments of 1977 are enacted
1978 EPA establishes "nonattainment" areas for those communities failing to meet one or more of the NAAQS; over 40 areas in Region 7 are identified as not attaining the NAAQS

EPA promulgates an air quality standard for lead
1980 EPA approves major plans to control air pollution in nonattainment areas in Iowa and Missouri, including the first set of rules controlling emissions of volatile organic compounds in ozone nonattainment areas in Region 7

EPA approves pre-construction permitting programs for new sources in nonattainment areas in Iowa and Missouri
1981 EPA approves Kansas' plan to control air pollution in nonattainment areas including a pre-construction permitting program for new sources

EPA approves the first lead plans developed by the state of Missouri to address ambient air lead problems in the vicinity of the lead smelters; the lead industry sues but EPA prevails
1982 EPA approves Missouri's plan to require pre-construction permits in attainment areas to prevent significant deterioration of air quality
1983 EPA approves Nebraska's plan to control air pollution in nonattainment areas
1984 EPA approves Nebraska's pre-construction permitting program for new sources in nonattainment areas

EPA approves Kansas' and Nebraska's plan to require pre-construction permits in attainment areas to prevent significant deterioration or air quality

The vehicle emissions inspection and maintenance program begins in the St. Louis area
1986 EPA approves a new control plan to address ozone (smog) in the St. Louis area including vapor recovery devices at gasoline refueling stations
1987 EPA approves Iowa's plan to require pre-construction permits in attainment areas to prevent significant deterioration or air quality

EPA promulgates a new PM10 standard which replaces the standard for total suspended particulate matter; initially, no areas in Region 7 violate the standard
1990 The Clean Air Act Amendments of 1990 are enacted
1991 EPA promulgates new nonattainment designations and classifications; seven areas in Region 7 are designated nonattainment (lead - 4; ozone - 2; carbon monoxide - 1)

EPA approves Iowa's plan to address violations of the SO2 standard in Clinton; no further violations are recorded
1992 EPA approves the first maintenance plan in the country to attain the ozone (smog) standard in Kansas City, including a voluntary program to limit the volatility of gasoline
1993 EPA approves small business assistance plans developed by the states of Nebraska, Iowa, and Missouri
1994 EPA approves Kansas' small business assistance plan
1995 EPA approves Nebraska's and Iowa's plans to require major stationary sources of air pollution to have operating permits and pay emissions fees

The Central States Air Resources Agency (CenSARA) is formed to foster a collaborative effort on the part of the nine states that comprise the central area of the United States
1996 EPA approves Kansas' and Missouri's plans to require major stationary sources of air pollution to have operating permits and pay emissions fees

EPA approves Missouri's regulations which require transportation plans to conform to air quality plans in nonattainment areas
1997 EPA approves a major lead emissions control plan to address ambient air lead problems at the smelter in Glover; no further violations are recorded after the plan is implemented

EPA approves a major lead emissions control plan to address ambient air lead problems at the lead refinery in Omaha; Asarco decides to close the facility

EPA promulgates a new 8-hour ozone standard and a new fine particulate (PM2.5) standard; legal challenges prevent EPA from implementing the standard

EPA approves Iowa's plan to address violations of the SO2 standard in Muscatine; no further violations are recorded

The Missouri charcoal kiln industry signs a consent agreement with EPA to spend $1.75 million to install air emission controls on 165 kilns or remove the kilns from operation
1999 EPA approves plans submitted by the state of Iowa to address violations of the SO2 and PM10 standards in Cedar Rapids and Buffalo respectively; no further violations are recorded
2000 The new, centralized vehicle inspection and maintenance program starts-up in St. Louis

EPA approves the state's plan to achieve a 15 percent reduction in volatile organic compounds in the St. Louis area to address the ozone (smog) problem

EPA approves Missouri's regulation for controlling statewide NOx emissions from electric generating units to address the ozone (smog) problem in St. Louis

EPA and the state of Missouri sign a consent agreement with the Doe Run Company which addresses lead emissions from the Herculaneum lead smelter
2001 The Supreme Court upholds EPA's new 8-hour ozone and fine particulate standards


Another measure of progress in determining whether air quality has improved is to look at how the number of areas not meeting the National Ambient Air Quality Standards (NAAQS) has changed over the years. The following tables show areas in Region 7 which once had an air pollution problem but through EPA, state, and local efforts were able to address that problem successfully.

Iowa
Area Nature Of Air Pollution Problem Year
Numerous Areas1 Total Suspended Particulate Matter 1980
Keokuk Total Suspended Particulate Matter 1982
Des Moines (south central) Total Suspended Particulate Matter 1982
Dubuque Carbon Monoxide 1982
Dubuque1 SO2 1982
Numerous Areas2 Total Suspended Particulate Matter 1984
Des Moines Carbon Monoxide 1989
Clinton3 SO2 1991
Muscatine SO2 1998
Cedar Rapids3 SO2 1999
Buffalo3 PM10 1999

1 Soon after the original nonattainment designations were made, a number of areas were able to demonstrate that portions of their areas were clean or that they had attained part of the standard. These areas included: Keokuk, Ft. Dodge, Sioux City, Council Bluffs, Mason City, Cedar Rapids, Des Moines, West Des Moines, Ankeny, Davenport, Buffalo, Bettendorf, Riverdale, Waterloo, Clinton, Marshalltown, and Muscatine.

2 The following areas demonstrated further progress in meeting the total particulate matter standard in 1984: Des Moines, West Des Moines, Davenport, Cedar Rapids, Ankeny, and Mason City. In 1987, the total particulate standard was replaced with a new PM10 standard.

3 These areas experienced violations of the air quality standards but resolved the problem expeditiously. Consequently, they were never officially designated nonattainment.



Kansas
Area Nature Of Air Pollution Problem Year
Topeka1 Total Suspended Particulate Matter 1980/85
Wichita Ozone (1-hour standard) 1980
Kansas City Carbon Monoxide 1983
Kansas City2 Total Suspended Particulate Matter 1986
Lawrence Ozone (1-hour standard) 1986
Wichita Carbon Monoxide 1989
Kansas City3 Ozone (1-hour standard) 1992

1 Topeka partially attained the standard in 1980 and fully attained the standard in 1985.

2 Kansas City partially attained the standard in 1986. In 1987, the total particulate standard was replaced with a new PM10 standard.

3 Kansas City remains officially designated attainment. However, periodic exceedances of the 1-hour standard in the 1990s necessitated implementation of further control measures under the provisions of the approved maintenance plan.



Missouri
Area Nature Of Air Pollution Problem Year
Kirksville Total Suspended Particulate Matter 1980
Bixby SO2 1980
Mexico Total Suspended Particulate Matter 1980
Herculaneum Total Suspended Particulate Matter 1980
Kansas City1 Total Suspended Particulate Matter 1980/84
New Madrid1 Total Suspended Particulate Matter 1980/85
St. Louis SO2 1980
St. Ann Total Suspended Particulate Matter 1981
St. Joseph2 Total Suspended Particulate Matter 1982
Columbia Total Suspended Particulate Matter 1982
Kansas City Carbon Monoxide 1988
Kansas City3 Ozone (1-hour standard) 1992
St. Louis Carbon Monoxide 1999
Boss Lead 2000
St. Joseph4 SO2 2001

1 Kansas City and New Madrid partially attained the standard in 1980 and fully attained the standard in 1984 and 1985 respectively.

2 St. Joseph partially attained the standard in 1982. In 1987, the total particulate standard was replaced with a new PM10 standard.

3 Kansas City remains officially designated attainment. However, periodic exceedances of the 1-hour standard in the 1990s necessitated implementation of further control measures under the provisions of the approved maintenance plan.

4 Although St. Joseph was never officially designated nonattainment for SO2, it did have violations in the 1990s; actions underway by the state and EPA should ensure attainment in 2001.



Nebraska
Area Nature Of Air Pollution Problem Year
Sarpy County (except Bellevue) Total Suspended Particulate Matter 1982
Bellevue1 Total Suspended Particulate Matter 1982
Douglas County (except Omaha) Total Suspended Particulate Matter 1982
Omaha Ozone (1-hour standard) 1982
Weeping Water1 Total Suspended Particulate Matter 1984
Omaha1 Total Suspended Particulate Matter 1985
Omaha Carbon Monoxide 1986
Lincoln Carbon Monoxide 1988
Omaha Lead 2001

1 Bellevue, Weeping Water, and Omaha partially attained the standard in 1982, 1984 and 1985 respectively. In 1987, the total particulate standard was replaced with a new PM10 standard.



If you would like more information on progress in addressing air pollution problems in Region 7, please check the links provided below. You can also contact Joshua Tapp, Chief of the Air Planning and Development Branch at 913-551-7606.

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