Oxides of nitrogen

Oxides of nitrogen means nitric oxide and nitrogen dioxide. Oxides of nitrogen are expressed quantitatively as if the nitric oxide were in the form of nitrogen dioxide (oxides of nitrogen are assumed to have a molecular weight equivalent to nitrogen dioxide).

Source

40 CFR § 94.2

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Scoping language

The definitions of this section apply to this subpart. They also apply to all subparts of this part, except where noted otherwise.

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