Section 24-151. Emission of air contaminant; concealment and masking restricted  


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  • (a) No person shall cause or permit the installation or  use  of  any  device  or  use  of  any  means  which,  without resulting in a
      reduction in the total amount of air contaminant  emitted,  conceals  an
      emission of the air contaminant which would otherwise violate subchapter
      six of this code.
        (b)  No  person  shall  cause or permit the installation or use of any
      device or use of any means designed to  mask  the  emission  of  an  air
      contaminant which causes or may cause detriment to the health, safety or
      welfare of any person.