Release of Draft Documents Related to the Review of the National Ambient Air Quality Standards for Carbon Monoxide

摘要

On or about February 22, 2010, the Office of Air Quality Planning and Standards (OAQPS) of EPA is making available for public comment a draft assessment document: Risk and Exposure Assessment to Support the Review of the Carbon Monoxide Primary National Ambient Air Quality Standards--Second External Review Draft. This draft document describes the quantitative analyses that are being conducted as part of the review of the National Ambient Air Quality Standards (NAAQS) for carbon monoxide (CO). In addition, on or about March 1, 2010, OAQPS is making available for public comment another draft assessment document: Policy Assessment for the Review of the Carbon Monoxide National Ambient Air Quality Standards: External Review Draft.