40 CFR 49.10885 - Classification of regions for episode plans.

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§ 49.10885 Classification of regions for episode plans.

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

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

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