St. Tammany Parish, Louisiana, Air Pollution Sources A

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Abstract: The Environmental Protection Agency (EPA) compiles data on emission tonnages of air pollutants for US counties.  US Air Quality Gradebook ("AirGrades") source sheets such as this one for

St. Tammany Parish, Louisiana, give the percentage contributions from specific air pollution sources.  The St. Tammany Parish Seat is Covington, Louisiana.