An Authority to Construct or a Permit to Operate shall not be required for the sources hereinafter set out, provided, however, said sources shall comply with all other applicable District Rules and Regulations.

  1. Vehicles as defined by the Vehicle Code of the State of California but not including any article, machine, equipment, or other contrivance mounted on such vehicle that would otherwise require a permit under the provisions of these Rules and Regulations.
  2. Vehicles used to transport passengers or freight.
  3. Equipment utilized, exclusively in connection with any structure which is designed for and used exclusively as a dwelling for not more than four (4) families.
  4. The following equipment:
    1. Comfort air conditioning or comfort ventilating systems which are not designed to remove air contaminants generated by or released from specific units or equipment.
    2. Refrigeration units except those used as, or in conjunction with air pollution control equipment.
    3. Piston type internal combustion engines, except those used to power stationary emission sources or air pollution control equipment.
    4. Equipment used exclusively for steam cleaning.
    5. Presses used exclusively for extruding metals, minerals, plastics, or wood.
    6. Equipment used exclusively for space heating other than boilers.
    7. All sheet-fed printing presses and all other printing presses without dryers.
    8. Ovens used exclusively for the curing of plastics which are concurrently being vacuum held to a mold the softening or annealing of plastics.
    9. Batch mixers of five cubic feet rated working capacity or less.
    10. Ovens used exclusively for the curing of vinyl plastisols by the closed mold curing process.
    11. Brazing, soldering or welding equipment.
    12. Laundry and dry cleaning equipment used for cleaning fabrics.
    13. Ovens used exclusively for curing potting materials or castings made with epoxy resins.
    14. Equipment used for compression molding and injection molding of plastics.