Rule 326 IAC 1-3 - Ambient Air Quality StandardsBrowse as ListSearch WithinSection 326 IAC 1-3-1 - Purpose of rule; applicabilitySection 326 IAC 1-3-2 - Sampling proceduresSection 326 IAC 1-3-3 - Quality assurance guidelinesSection 326 IAC 1-3-4 - Ambient air quality standards