National Emission Standards For Hazardous Air Pollutants For Source Categories: General Provisions , FEDERAL REGISTER March 16, 1994.
The general provisions, located in Subpart A or part 63, codify general procedures and criteria to implement emissions standards for stationary sources that emit (or have the potential to emit) one or more of the 189 substances listed as HAPs in or pursuant to section 112(b) of the CAA.
|Office of Air and Radiation|
|Office of Air Quality Planning and Standards|
|Emission Standards Division|
|Federal Register (FR) Notice|