Proposed Amended Rule 1401 – New Source Review of Toxic Air Contaminants

Proposed Amended Rule 1401 PAR 1401 updates South Coast AQMD’s health-risk-based permitting requirements for new, modified, or relocated equipment that emit toxic air contaminants TACs. PAR 1401 incorporates new California Office of Environmental Health Hazard Assessment OEHHA adopted risk values by adding nine new compounds to the Table I list of TACs, adding a new reference exposure level for one existing compound, adding 8-hour chronic hazard index requirements, removing the outdated Table II...