Indiana Administrative Code
Title 326 - AIR POLLUTION CONTROL DIVISION
Article 1 - GENERAL PROVISIONS
Rule 7 - Stack Height Provisions
Section 7-5 - Exemptions; limitations
Current through March 20, 2024
Authority: IC 13-1-1-4; IC 13-7-7
Affected: IC 13-1-1
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.