Classification of regions.

§ 52.1021 Classification of regions.

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

Air quality control region Pollutant
Particulate matter Sulfur oxides Nitrogen dioxide Carbon monoxide Ozone
Metropolitan Portland IntrastateIIIIIIIIIIII
Androscoggin Valley InterstateIAIAIIIIIIIII
Down East IntrastateIAIAIIIIIIIII
Aroostook IntrastateIIIIIIIIIIIIIII
Northwest Maine IntrastateIIIIIIIIIIIIIII
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