Regulacje i polityka gospodarcza · 31/10/2006
EPA Approves Indiana's Revised Air Quality Implementation Plan
The US Environmental Protection Agency (EPA) is proposing to approve Indiana's revised air quality implementation plan, which includes updates to the state's ambient air quality standards and references to federal regulations. The plan aims to provide consistency between state and federal measurements of particulate matter air quality and reflects changes to the 2004 edition of the Code of Federal Regulations.