Clean Air Act

• 1970

• Polluter Pays Principle

• Point & Mobile Sources

• Primary Pollutants

  • PM, So2, Nox. O3, CO

• Secondary Pollutants

  • 189 toxic chemicals, Pb, Cd, Hg, Cr

• Non-Attainment Areas: Class I, II, III

• Pollution Standards Index: PSI

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