EPA proposes elimination of current MACT policy

摘要

On Jan.3,2007,the US Environmental Protection Agency (EPA) published a proposed rule in the Federal Register that would eliminate its "once in,always in" policy on maximum achievable control technology (MACT) standards.If promulgated,reversal of this decade-old policy will allow facilities currently subject to MACT standards to be exempt from MACT upon reducing emissions below major source thresholds for hazardous air pollutants (HAPs).