TEHAMA COUNTY AIR POLLUTION CONTROL DISTRICT

RULE 4:9 - SPECIFIC CONTAMINANTS
(Adopted 8/10/1971; Amended 9/10/1985)

A. A person shall not discharge into the atmosphere from any single source of emission whatsoever, any one or more of the contaminants, in any state or combination thereof, exceeding in concentration at the point of discharge:
     
  1. Sulfur compounds calculated as sulfur dioxide (SO2) 250 ppm.
     
  2. Combustion contaminants: 0.15 grains per cubic foot of gas calculated to 12 percent of carbon dioxide (CO2) at standard conditions, except during the start of an operation or change in energy source, during the time necessary to bring the combustion process up to operating level. In measuring the combustion contaminants from incinerators used to dispose of combustible refuse by burning, the carbon dioxide (CO2) produced by combustion of any liquid or gaseous fuel shall be excluded from the calculation to 12 percent of carbon dioxide (CO2).