State implementation plans

State Implementation Plans (SIP)
EPA approved state plans for the establishment, regulation, and enforcement of air pollution standards.
State Management Plan ...

State implementation plans are collections of the regulations used by a state to reduce air pollution in nonattainment areas. The Clean Air Act requires that EPA approve each state implementation plan.

New Source Review (NSR): A Clean Air Act requirement that State Implementation Plans must include a permit review, which applies to the construction and operation of new and modified stationary sources in nonattainment areas, ...

Standards established by EPA that apply for outdoor air throughout the country. (See criteria pollutants, state implementation plans, emissions trading.)
Source: Terms of the Environment
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A Clean Air Act requirement that State Implementation Plans include a permit review that applies to the operation of new and modified stationary sources in nonattainment areas to ensure attainment of national ambient air quality standards.
Nitrate ...

See also: Air quality standards, Ambient air, Ambient air quality standards, Air quality, National ambient air