Authority: IC 13-14-8; IC 13-17-3-4; IC 13-17-3-11

Affected: IC 13-15; IC 13-17

Sec. 1. (a) This section, 326 IAC 6.8-4, and 326 IAC 6.8-8 apply to the sources, facilities, and operations, in Lake County listed in this rule.

(b) The following definitions apply throughout this rule, 326 IAC 6.8-4, 326 IAC 6.8-5, and 326 IAC 6.8- 8:

1. (1) "gr/dscf" means grains of particulate matter per dry standard cubic foot of exhaust air.
2. (2) "lbs/hr" means pounds of particulate matter emissions emitted per one (1) sixty (60) minute period.
3. (3) "lbs/MMBtu" means pounds of particulate matter emissions per million British thermal units heat input of fuels fired in the source, unless otherwise stated.
4. (4) "lbs/ton" means pounds of particulate matter emissions per ton of product output from the particular facility, unless otherwise stated. Byproducts, which may be sold as product, shall not be included under the term "product".

(c) All emission limits in this rule, 326 IAC 6.8-4, 326 IAC 6.8-5, and 326 IAC 6.8-8 shall be PM10 limits unless otherwise stated.

(d) Particulate limitations shall not be established for combustion units that burn only natural gas at sources or facilities identified in this article, as long as the units continue to burn only natural gas.

(e) The installation and operation of opacity continuous emissions monitors shall be conducted according to procedures specified in 326 IAC 3.

(Air Pollution Control Division; 326 IAC 6.8-2-1; filed Aug 10, 2005, 1:00 p.m.: 28 IR 3506; filed Jan 23, 2008, 1:44 p.m.: 20080220-IR-326040279FRA; readopted filed Oct 18, 2024, 2:09 p.m.: 20241113-IR- 326230809RFA)