Colorado § 25-7-302 State implementation plan - contents

Colorado Statutes

§ 25-7-302 — State implementation plan - contents

Colorado·Title 25 Public·Art. Air Quality Control

The attainment program
embodied in the state implementation plan may, with respect to proposed new or
modified major stationary sources within nonattainment areas which would cause
or contribute to a violation of a national ambient air quality standard, provide an
allowance for growth while providing reasonable further progress toward
attainment, and new sources may be allowed that do not result, individually or in
the aggregate, in emissions that exceed the allowance. Particulate matter not of a
size or substance to adversely affect public health or welfare shall not be
considered in determining whether any applicable growth allowance has been
consumed. Modifications to an existing facility within a source may be allowed
which are accompanied by emission reduction offsets within

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The attainment program
embodied in the state implementation plan may, with respect to proposed new or
modified major stationary sources within nonattainment areas which would cause
or contribute to a violation of a national ambient air quality standard, provide an
allowance for growth while providing reasonable further progress toward
attainment, and new sources may be allowed that do not result, individually or in
the aggregate, in emissions that exceed the allowance. Particulate matter not of a
size or substance to adversely affect public health or welfare shall not be
considered in determining whether any applicable growth allowance has been
consumed. Modifications to an existing facility within a source may be allowed
which are accompanied by emission reduction offsets within the same source
sufficient to provide no net increase in emissions of an air pollutant from the source.
If an applicable growth allowance has been consumed, the attainment program
shall permit sources to be constructed only if emission reduction offsets providing
a greater than one-for-one emission reduction are obtained from existing sources
sufficient to provide reasonable further progress toward attaining the applicable
national ambient air quality standards by the attainment date prescribed under Part
D (Nonattainment Program) of the federal act. Any emission offsets required for
sulfur dioxide, particulates, and carbon monoxide shall provide a positive net air
quality benefit in the area affected by the proposed source.