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Code · CFR · Title 40 — Protection of Environment · Part 52 · § 52.2471

§ 52.2471. Classification of regions.

51 words·~1 min read·/us/cfr/t40/s§ 52.2471·

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The Washington plan was evaluated on the basis of the following classifications: Air quality control region Pollutant Particulate matter Sulfur oxides Nitrogen dioxide Carbon monoxide Ozone Eastern Washington-Northern Idaho InterstateIIAIIIIIIIII Northern Washington IntrastateIIIIIIIIIIIIII Olympic-Northwest Washington IntrastateIIIIIIIIIIIII Portland InterstateIIAIIIIIIIII Puget Sound IntrastateIIAIIIIIII South Central Washington IntrastateIIIIIIIIIIIII [81 FR 1131, Jan. 11, 2016]
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§ 52.2471
Classification of regions.
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