What is NOx?

What is NOx?

Jump to navigation Jump to search. In atmospheric chemistry, NOx is a generic term for the nitrogen oxides that are most relevant for air pollution, namely nitric oxide (NO) and nitrogen dioxide (NO2). These gases contribute to the formation of smog and acid rain, as well as affecting tropospheric ozone.

What is the NOx SIP call?

Based on the OTAG process, on October 27, 1998, EPA published a final rulemaking action (63 FR 57356). The rulemaking, commonly referred to as the NOx SIP Call, required 22 eastern states and the District of Columbia to submit state implementation plans (SIPs) that set statewide ozone season NOx budgets which would reduce emissions of NOx.

What does no X stand for?

For other meanings of “Nox”, see Nox. In atmospheric chemistry, NO. x is a generic term for the nitrogen oxides that are most relevant for air pollution, namely nitric oxide (NO) and nitrogen dioxide ( NO. 2 ). These gases contribute to the formation of smog and acid rain, as well as affecting tropospheric ozone . NO.

Is the NOx rule enforceable in my state?

Once the state has adopted the NOx rule, EPA approves the rule into the state’s State Implementation Plan (SIP). The state’s NOx rule then becomes federally enforceable. For more information on the EPA’s NOx RACT program click here.