Arizona regulations
- Department of Environmental Quality - Air Pollution Control: Notice of Rulemaking Docket Opening - R18-2-F1301 Rillito PM10 ControlsJuly 3, 2026
Arizona Department of Environmental Quality opens rulemaking docket R18-2-F1301 to impose PM10 control measures on the CalPortland Rillito cement plant under Clean Air Act section 172 requirements.
- Department of Environmental Quality - Emergency Planning and Hazardous Materials: Notice of Rulemaking Docket Opening - Emergency Planning and Community Right to Know