Previous Maintenance Areas No Longer Subject to the 1-hour Standard
As of June 15, 2005
View Notes
SEVERE-15
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Atlanta, GA
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SERIOUS
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East Kern Co, CA
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Phoenix, AZ
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San Diego, CA
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Santa Barbara-Santa Maria-Lompoc, CA
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St Louis, MO-IL
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MODERATE
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Charleston, WV
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Charlotte-Gastonia, NC
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Cincinnati-Hamilton, OH-KY
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Cleveland-Akron-Lorain, OH
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Dayton-Springfield, OH
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Detroit-Ann Arbor, MI
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Grand Rapids, MI
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Huntington-Ashland, WV-KY
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Kewaunee Co, WI
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Louisville, KY-IN
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Manitowoc Co, WI
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Miami-Fort Lauderdale-W. Palm Beach, FL
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Monterey Bay, CA
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Muskegon, MI
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Parkersburg, WV
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Pittsburgh-Beaver Valley, PA
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Raleigh-Durham, NC
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Reading, PA
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Richmond, VA
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Salt Lake City, UT
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Sheboygan, WI
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Toledo, OH
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MARGINAL
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Birmingham, AL
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Canton, OH
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Cherokee Co, SC
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Columbus, OH
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Door Co, WI
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Edmonson Co, KY
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Evansville, IN
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Greenbrier Co, WV
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Hancock & Waldo Cos, ME
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Indianapolis, IN
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Jersey Co, IL
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Kent & Queen Anne's Co.s, MD
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Knoxville, TN
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Lake Charles, LA
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Lexington-Fayette, KY
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Memphis, TN
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Norfolk-Virginia Beach-Newport News (Hampton Roads),VA
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Owensboro, KY
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Paducah, KY
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Pointe Coupee Parish, LA
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Portland-Vancouver AQMA, OR-WA
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Seattle-Tacoma, WA
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South Bend-Elkhart, IN
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Tampa-St. Petersburg-Clearwater, FL
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Walworth Co, WI
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Youngstown-Warren-Sharon, OH portion
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OTHER
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Kansas City, MO-KS
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Notes:
The Kansas City, MO-KS area has a sub-marginal classification.
The former 1-hour ozone designations and classifications as
of June 15, 2004, are being retained in subpart C
of Part 81 for purposes of the antibacksliding provisions of
40 CFR 51.905. 40 CFR 51.905(c) references subpart C of part 81 for
the areas affected by the anti-backsliding regulation.
Two 1-hour Ozone Maintenance Areas (that were previously nonattainment areas) became
Early Action Compact (EAC) areas. As EAC areas, their maintenance plans no longer applied,
and they are not listed in the “Previous Maintenance Areas No Longer Subject to the 1-hour
Standard” reports. The areas are: Greensboro Winston Salem High Point, NC (initially classified
as a Moderate 1-hr Ozone area), and Denver Boulder, CO (initially classified as a Section 185 1-hr Ozone area).
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