SHASTA COUNTY AIR QUALITY MANAGEMENT DISTRICT
RULE 3:14 - PETROLEUM SOLVENT DRY CLEANERS
- 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:
- There is no liquid leaking from any portion of the equipment.
- Solvents are stored in closed containers that may be equipped with vents approved by the Air Pollution Control
- 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.
- 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.
- 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:
- 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.
- 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.
- 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.