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Code · CFR · Title 40 — Protection of Environment · Part 49 · § 49.9955

§ 49.9955. Classification of regions for episode plans.

31 words·~1 min read·/us/cfr/t40/s§ 49.9955·

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The air quality control region which encompasses the Colville Reservation is classified as follows for purposes of episode plans: Pollutant Classification Carbon monoxideIII Nitrogen dioxideIII OzoneIII Particulate matter (PM10)II Sulfur oxidesIII
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