Revisions to Standards of Performance for New Stationary Sources, National Emission Standards for Hazardous Air Pollutants and National Emission Standards for Hazardous Air Pollutants for Source Categories

The Environmental Protection Agency proposed revising the General Provisions for Standards of Performance for New Stationary Sources, for National Emission Standards for Hazardous Air Pollutants and for National Emission Standards for Hazardous Air Pollutants for Source Categories to allow extensions to the deadline imposed for source owners and operators to conduct initial or other required performance tests in certain specified circumstances