Section 326IAC1-2-29.6. "Freeboard ratio" defined  


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  •   6. "Freeboard ratio" means the ratio of the freeboard height to the width of the degreaser opening in a cold cleaner degreaser or open top vapor degreaser. (Air Pollution Control Division; 326 IAC 1-2-29.6; filed Apr 18, 1990, 4:55 p.m.: 13 IR 1676)