Approval and Promulgation of Air Quality Implementation Plans; Indiana; Minor NSR for Title V and FESOP Sources
The Environmental Protection Agency (EPA) is proposing approval of revisions to Indiana's minor new source review construction permit rule. The rule applies to construction of new units or modifications of existing units at sources subject to title V and Federal enforceable state operating permit requirements. If approved, this rule will replace the previous state implementation plan (SIP) minor source construction permit rule for Indiana.
National Ambient Air Quality Standards for Lead
Based on the Environmental Protection Agency's (EPA's) review of the air quality criteria and the national ambient air quality standards (NAAQS) for lead (Pb), the EPA is proposing to retain the current standards, without revision.