Classification of regions.

§ 52.1871 Classification of regions.

The Ohio plan was evaluated on the basis of the following classifications:

Air quality control region Pollutant
Particulate matter Sulfur oxides Nitrogen dioxide Carbon monoxide Ozone
Greater Metropolitan Cleveland IntrastateIIIIIIIII
Huntington (West Virginia)-Ashland (Kentucky)-Portsmouth-Ironton (Ohio) InterstateIIIIIIIIIIIII
Mansfield-Marion IntrastateIIIIIIIIIIIII
Metropolitan Cincinnati InterstateIIIIIIIIII
Metropolitan Columbus IntrastateIIIIIIIIIII
Metropolitan Dayton IntrastateIIIIIIIIII
Metropolitan Toledo InterstateIIIIIIIII
Northwest Ohio IntrastateIIIIIIIIIIII
Northwest Pennsylvania-Youngstown InterstateIIIIIIIIIIII
Parkersburg (West Virginia)-Marietta (Ohio) InterstateIIIIIIIIIIII
Sandusky IntrastateIIIIIIIIIIIIIII
Steubenville-Weirton-Wheeling InterstateIIIIIIIIIII
Wilmington-Chillicothe-Logan IntrastateIIIIIIIIIIIIIII
Zanesville-Cambridge IntrastateIIIAIIIIIIIII
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