SISAPCD RULE 4.6 CIRCUMVENTION          
LAST REVISED 01/01/89          
          
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          RULE 4.6  Circumvention
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          A. No  person  shall  install or use any equipment which, without
             resulting  in  a  reduction   in  the  total  release  of  air
             contaminant to the atmosphere, reduces or conceals an emission
             that would otherwise constitute a violation of these rules.

          B. Violations  of  Rule 4.2 (Nuisance)  are  excepted  from  Rule
             4.6.A.

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