SHASTA COUNTY AIR QUALITY MANAGEMENT DISTRICT

RULE 3:14 - PETROLEUM SOLVENT DRY CLEANERS
(Added 7-31-79)

1. Effective September 30, 1979, a person shall not operate any dry cleaning equipment in the Sacramento Valley Air Basin that uses petroleum-based solvent unless:
   
   
   1. There is no liquid leaking from any portion of the equipment.
      
      
   2. Solvents are stored in closed containers that may be equipped with vents approved by the Air Pollution Control Officer (APCO).
      
      
   3. All washer lint traps, button traps, access doors, and other parts of the equipment where solvent may be exposed to the atmosphere are kept closed at all times except as required for proper operation or maintenance.
      
      
   4. The still residue is stored in sealed containers or underground tanks and is disposed of at a Class I dump or is disposed of by other procedures approved by the APCO.
      
      
   5. The used filtering material is put into a sealed container immediately after removal from the filter and disposed of at a Class I dump unless the dry cleaning system is equipped with one of the following filter systems:
      
      
      1. Cartridge filters containing paper or carbon or a combination thereof, that are fully drained in the filter housing for at least twelve (12) hours before removal.
         
         
      2. Diatomaceous earth filtering system, connected to a centrifugal solvent extractor or other device capable of removing sufficient solvent so that the remaining diatomaceous earth and soil does not contain more than 0.4 kilogram of solvent per kilogram of filter powder and soil removed.
         
         
      3. Any other type of filtering system or process found by the APCO to emit into the atmosphere 1 kilogram or less of solvent in the discarded soil, lint, and filtering material per 100 kilograms of articles cleaned.