WASHINGTON, July 30 -- Environmental Protection Agency has issued a proposed rule called: Clean Air Act Operating Permit Program Revisions; California; Amador County Air Pollution Control District, Calaveras County Air Pollution Control District, Great Basin Unified Air Pollution Control District, Northern Sierra Air Quality Management District.

The proposed rule was published in the Federal Register on July 30 by Michael Martucci, Acting Regional Administrator, Region IX.

Summary: The Environmental Protection Agency (EPA) is proposing to approve revisions to four State of California air districts' Clean Air Act title V program rules to remove emergency affirmative defense provisions. The four districts are the Amador County Air Pollution...