Assessment Urges EPA to Consider Stronger Air Quality Standards for Carbon Monoxide

摘要

A draft Environmental Protection Agency policy assessment released March 5 recommends the agency consider significantly strengthening the air quality standards for carbon monoxide, but it suggests the hourly standard could be revoked.rnEPA's Policy Assessment for the Review of the Carbon Monoxide National Ambient Air Quality Standards: External Review Draft recommends the agency set an eight-hour air quality standard for carbon monoxide that is "at least as protective as the current standard," but it says the agency could significantly strengthen the standard (75 Fed. Reg. 10,252).