SAN DIEGO COUNTY AIR POLLUTION CONTROL DISTRICT

RULE 61.5 - VISIBLE EMISSION STANDARDS FOR VAPOR CONTROL SYSTEMS
(Effective 5/6/77: Rev. Effective 9/20/78)

No person shall discharge, or allow to be discharged, into the atmosphere from any vapor control system used to meet the requirements of Rules 61.1, 61.2, 61.3, 61.4 or 61.7, air contaminants in such a manner that the opacity of the emission is:

  1. Greater than 10% for a period or periods aggregating more than one (1) minute in any 60 consecutive minutes; or
  2. Greater than 40% at any time.