Washington Administrative Code
2023 Archive

Chapter 173-476 WAC
Last Update: 5/31/16

AMBIENT AIR QUALITY STANDARDS
PDF of Chapter Digest
WAC Sections
173-476-010Purpose.
173-476-020Applicability.
173-476-030Definitions.
173-476-100Ambient air quality standard for PM-10.
173-476-110Ambient air quality standards for PM-2.5.
173-476-120Ambient air quality standard for lead (Pb).
173-476-130Ambient air quality standards for sulfur oxides (sulfur dioxide).
173-476-140Ambient air quality standards for nitrogen oxides (nitrogen dioxide).
173-476-150Ambient air quality standard for ozone.
173-476-160Ambient air quality standards for carbon monoxide.
173-476-170Monitor siting criteria.
173-476-180Reference conditions.
173-476-900Table of standards.