40 CFR § 49.10135 - Classification of regions for episode plans.

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§ 49.10135 Classification of regions for episode plans.

The air quality control region which encompasses the Hoh Indian Reservation is classified as follows for purposes of episode plans:

Pollutant Classification
Carbon monoxide III
Nitrogen dioxide III
Ozone III
Particulate matter (PM10) II
Sulfur oxides II