Note: EPA no longer updates this information, but it may be useful as a reference or resource.

Please see www.epa.gov/air/ozonepollution for the latest information on EPA's efforts to reduce ground level ozone pollution.

Kewaunee/Sheboygan Counties, Wisconsin

September 30, 1997

KEWAUNEE COUNTY/SHEBOYGAN COUNTY, WISCONSIN

Effective Redesignation Date: 8/26/96 (61 FR 43668, 8/26/96)

Maintenance Plan - Key Features

1990 base year; 1993 attainment year; projections to 2007
continue operating and maintaining approved monitoring network in each county for 10 year maintenance period (one monitor in Kewaunee County, and one monitor in Sheboygan County)
I/M in Sheboygan County only
attainment tracking by generating VOC and NO_x emission inventories for the years 1996, 1999, 2002, 2005, and 2007

Contingency Plan Trigger

violation of ozone NAAQS and an EPA-approved analysis shows that the emission sources from the county with the monitored violation caused the violation (i.e., not due to transport)

Contingency Measures

Schedule

verify violation and submit plans to analyze violation to EPA for approval - 60 days after violation measurement
submit complete analysis, public notice, and comment material to EPA for approval - 14 months after violation measurement
lower "major source" threshold for industrial sources within the county with the violation - 24 months after violation measurement
gasoline standards in the county with the violation to lower VOC emissions - 24 months after violation measurement

For further information:

Randy Robinson
Air and Radiation Division
U.S. EPA, Region V
77 West Jackson Blvd.
Chicago, IL 60604

Telephone: (312) 353-6713; Email: robinson.randall@epamail.epa.gov