View all text of Subjgrp 257 [§ 49.10981 - § 49.11010]

§ 49.10985 - Classification of regions for episode plans.

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

Pollutant Classification Carbon monoxideI Nitrogen dioxideIII OzoneI Particulate matter (PM10)I Sulfur oxidesIA