PLACER COUNTY AIR POLLUTION CONTROL DISTRICT

RULE 207 - PARTICULATE MATTER
(Adopted 11-12-74; Revised 05-24-77, 06-19-79, 05-20-85, 10-19-93)

  1. For the Sacramento Valley Air Basin and the Mountain Counties Air Basin portions of the Placer County Air Pollution Control District a person shall not release or discharge into the atmosphere from any source or single processing unit, exclusive of sources emitting combustion contaminants only, particulate matter emissions in excess of: 0.1 grains per cubic foot of gas at District standard conditions.
  2. For the Lake Tahoe Air Basin portion of the Placer County Air Pollution Control District a person shall not release or discharge into the atmosphere from any source or single processing unit whatsoever, particulate matter emissions in excess of: 0.2 grains per cubic foot of gas at District standard conditions.