Section 326IAC4-3-4. General requirements for existing outdoor hydronic heaters

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(a) After November 30, 2011, all outdoor hydronic heaters that have not been qualified to meet the Phase 2 emission limit in section 3 of this rule must have a permanent stack extending five (5) feet higher than the peak of the roof of any occupied building:

(1) located within one hundred fifty (150) feet of the unit; and

(2) not located on the same property on which the heater is installed.

(b) The maximum stack height required under this rule is twenty-two (22) feet above the ground. (Air Pollution Control Division; 326 IAC 4-3-4; filed Apr 18, 2011, 11:27 a.m.: 20110518-IR-326050332FRA)

                    
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