AMAAPCD RULE 207 PARTICULATE MATTER
LAST REVISED 11/11/11

Rule 207  Particulate Matter.  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 dry
          exhaust gas at standard conditions.