SISAPCD RULE 4.11 ORCHARD AND CITRUS HEATERS          
LAST REVISED 01/01/89          
          
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          RULE 4.11  Orchard and Citrus Heaters
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          No  new  orchard  or  citrus heater shall be sold for use against
          frost damage unless it  has  been  approved  by the Air Resources
          Board. No person shall use any orchard or citrus heater unless it
          has been approved by the Air Resources Board, or does not
          produce  more  than  one  gram  per  minute  of unconsumed  solid
          carbonaceous material.

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