View all text of Subjgrp 226 [§ 49.9951 - § 49.9980]

§ 49.9955 - Classification of regions for episode plans.

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