In what could be the last major clean air policy decision of the Bush Administration, EPA is scheduled to publish its Advanced Notice of Proposed Rulemaking (ANPR) on the primary nitrogen dioxide (NO2) NAAQS in the Federal Register on January 16, 2009. The ANPR could be signed as early as January 9, 2009. (more…)
The current standard for nitrogen dioxide — an annual average standard — was set in 1971 and has not been revised since then. In the past 35 plus years there has been a great deal of evidence pointing to the need for a short-term standard. (more…)
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