EL DORADO COUNTY AIR QUALITY MANAGEMENT DISTRICT

RULE 217 - ACID FUMES

1. No person shall discharge into the atmosphere, from any non-combustion source, not in existence before March 12, 1984, a quantity of acid fumes which, when diluted or concentrated in liquid form to pH 2.0 exceeds 4 pounds per hour, unless said discharge has been reduced by at least 95 percent by weight of acid.
2. An application for an Authority to Construct for a source subject to this rule shall include a showing satisfactory to the Air Pollution Control Officer that the claimed emission rate is verifiable by engineering analysis process monitoring or emission testing.
3. Any source in existence before March 12, 1984 shall be exempt from this rule.