7.1 : National Legislation
| 7.1.8 |
The Clean Air Act |
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1970 Amendments |
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Established
the National Ambient Air Quality Standards (NAAQS) for stationary sources and
placed limits on mobile sources. |
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Established
the New Source Performance Standards (NSPS) which mandated a strict limit on
emissions from new pollution sources. |
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Expanded on the
State Implemenation Plans (SIPs) to carry out mandates. |
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1977 Amendments |
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Categorized regions into attinment and
non-attainment regions. |
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Non-attainment designation occurred if region
emitted in excess of any federal standard. |
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If a
region complied with federal standards, it was designated as a PSD, which
stands for "prevention of significant deterioration." |
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Lengthened federal deadlines for meeting
pollution reduction, particularly with regards to mobile emissions sources. |
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1990 Amendments |
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Established
a sulfur dioxide (Sox) and a nitrous oxide (Nox) cap and trade program. Under
this program, an emissions cap is set and permits are issued. An emitter of
Sox or Nox must have a permit for each unit of pollutant they release These
emissions permits may be trade (bought and sold) amongst polluting parties to
minimize cost. |
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Mandated the control of 189 hazardous
pollutants. |
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Updated and expanded provisions of the NAAQS. |
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| Source(s): |
The
United States Congress, Public Law 108-201, The Clean Air Act as amended
through February 24, 2004; EPA, The History of the Clean Air Act, accessed
February 2011 at <http://www.epa.gov/air/caa/caa_history.html> |
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DOWNLOAD TABLE AS PDF XLS
Related Tables:
Sources:
The United States Congress, Public Law 108-201, The Clean Air Act as amended through February 24, 2004
| EPA, The History of the Clean Air Act, accessed February 2011 at
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