326 IAC 1-7-5
326 IAC 1-7-5 Exemptions; limitations
Cite as Ind. Admin. Code tit. 326, r. 1-7-5
Sec. 5. (a) All sources having less than twenty-five (25) tons per year of actual emissions (after controls) shall be exempt from the
requirements specified in 326 IAC 1-7-3(a).
(b) The requirements specified in 326 IAC 1-7-4 shall not apply to stack heights in existence, or dispersion techniques
implemented prior to December 31, 1970.
(c) Asphalt concrete plants are exempted from the requirements specified in 326 IAC 1-7-3.
(d) Stack that commenced construction or modifications that would raise them to GEP formula height prior to October 11, 1983, shall not
be required to demonstrate GEP height by fluid modeling or field demonstration.