NORTHERN SONOMA COUNTY AIR POLLUTION CONTROL DISTRICT
RULE 470 - REDUCTION OF ANIMAL MATTER
A person shall not operate or use any article, machine, equipment or other contrivance for the reduction of animal matter, unless all gases, vapors and gas-entrained effluents which contain odorous material are:
A person incinerating or processing gases, vapors, or gas entrained effluents pursuant to this rule shall provide, install, maintain in calibration, and continuously operate instruments and monitoring devices, as specified by the Control Officer, for indicating temperature, pressure or other operating conditions.
For the purpose of this prohibition, "reduction" is defined as any heated process, including rendering, cooking, drying, dehydrating, digesting, evaporating and protein concentrating.