Statutes, codes, and regulations
Indiana Administrative Code
Title 326 - AIR POLLUTION CONTROL DIVISIONArticle 2 - PERMIT REVIEW RULES
Rule 326 IAC 2-9 - Source Specific Operating Agreement Program
Section 326 IAC 2-9-13 - External combustion sources

326 Ind. Admin. Code 2-9-13

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Current through October 23, 2024
Section 326 IAC 2-9-13 - External combustion sources

Authority: IC 13-14-8; IC 13-15-2; IC 13-17-3-4; IC 13-17-3-11

Affected: IC 13-15; IC 13-17

Sec. 13.

(a) The following definitions apply throughout this section:
(1) "Boiler" means a device that uses the heat generated from combustion of a fuel or electrical resistance to raise the temperature of water above the boiling point for water at the operating pressure.
(2) "Dryer" means a device that uses the heat generated from combustion of a fuel or electrical resistance to drive off volatile compounds by evaporation from materials processed in such a device.
(3) "Oven" means a device that uses the heat generated from combustion of a fuel or electrical resistance to cause or expedite a chemical curing process or drive off volatile compounds from material processed in such a device.
(4) "Process heater" means a device that uses the heat generated from combustion of a fuel or electrical resistance to heat a material so as to augment or expedite its processing.
(5) "Space heater" means a device that uses the heat generated from combustion of a fuel or electrical resistance to heat the air inside a building or otherwise provide comfort heating.
(6) "Water heater" means a device that uses the heat generated from combustion of a fuel or electrical resistance to raise the temperature of water below the boiling point for water at the operating pressure.
(b) Any external combustion source, including any combination of boilers, space heaters, ovens, dryers, or water heaters may elect to comply with this section by complying with the requirements of section 1 of this rule and the following:
(1) Visible emissions from the source shall not exceed twenty percent (20%) opacity in twenty-four (24) consecutive readings in a six (6) minute period. The opacity shall be determined using 40 CFR 60, Appendix A, Method 9*.
(2) Limiting fuel usage for every twelve (12) month period to less than the limits found in:
(A) subsection (f), Table 1 for a single fuel or a combination of two (2) fuels; or
(B) subsection (g), Table 2 for a single fuel or a combination of two (2) fuels.
(c) Sources electing to comply with subsection (b)(2)(A) must be able to demonstrate compliance not later than thirty (30) days after receipt of a written request by the department or U.S. EPA. No other demonstration of compliance shall be required. A source specific operating agreement is not required for these sources.
(d) Sources electing to comply with subsection (b)(2)(B) must:
(1) comply with the requirements of section 1 of this rule; and
(2) submit a request for a source specific operating agreement.
(e) For sources complying with subsection (b)(2)(B), the following records shall be kept at the source:
(1) Monthly hours operated for each combustion unit.
(2) Records of annual fuel usage for each combustion unit.
(3) Routine maintenance records.
(f) Table 1 limits shall be as follows:

TABLE 1

Fuel Maximum Fuel Usage per Year
Single Fuel
Natural gas 1,000.0 MMCF
Maximum capacity: 0.3 to <10 MMBtu/hr
Natural gas 714.0 MMCF
Maximum capacity: 10 to 100 MMBtu/hr
Natural gas 181.0 MMCF
Maximum capacity: >100 MMBtu/hr
Fuel oil #1 and #2 (distillate) 1,408.0 kgals
Fuel oil #5 and #6 (distillate) 181.0 kgals
Liquefied petroleum gas (LPG) 5,263.0 MMCF
Coal (bituminous and subbituminous) 786.0 tons
Bark-only 5,882.0 tons
Wood-only 7,352.0 tons
Wood and bark 7,352.0 tons
Dual Fuel1
Natural gas 976.0 MMCF
Fuel oil #1 and #2 (distillate) 117.0 kgals
Maximum capacity: 0.3 to <10 MMBtu/hr
Natural gas 697.0 MMCF
Fuel oil #1 and #2 (distillate) 117.0 kgals
Maximum capacity: 10 to 100 MMBtu/hr
Natural gas 177.0 MMCF
Fuel oil #1 and #2 (distillate) 117.0 kgals
Maximum capacity: >100 MMBtu/hr
Fuel oil #1 and #2 (distillate) 1,407.0 kgals
Natural gas 83.0 MMCF
Maximum capacity: 0.3 to <10 MMBtu/hr
Fuel oil #1 and #2 (distillate) 1,407.0 kgals
Natural gas 59.0 MMCF
Maximum capacity: 10 to 100 MMBtu/hr
Fuel oil #1 and #2 (distillate) 1,407.0 kgals
Natural gas 15.0 MMCF
Maximum capacity: >100 MMBtu/hr
Fuel oil #1 and #2 (distillate) 1,291.0 kgals
Fuel oil #5 and #6 (residual) 15.0 kgals
Coal (bituminous and subbituminous) 786.0 tons
Bark, wood, or wood and bark 490.0 tons
Bark, wood, or wood and bark 5,858.0 tons
Coal (bituminous and subbituminous) 65.0 tons
(1Top fuel is intended to be the primary fuel, the bottom fuel is the secondary fuel.)
Unit abbreviations:
kgals = 103 gallons
MMCF = 106 cubic feet

(g) Table 2 limits shall be as follows:

TABLE 2

Fuel Maximum Fuel Usage per Year
Single Fuel
Natural gas 1,600.0 MMCF
Maximum capacity: 0.3 to <10 MMBtu/hr
Natural gas 1,142.0 MMCF
Maximum capacity: 10 to 100 MMBtu/hr
Natural gas 290.0 MMCF
Maximum capacity: >100 MMBtu/hr
Fuel oil #1 and #2 (distillate) 2,253.0 kgals
Fuel oil #5 and #6 (residual) 291.0 kgals
Liquefied petroleum gas (LPG) 8,421.0 MMCF
Coal (bituminous and subbituminous) 1,258.0 tons
Bark-only 9,411.0 tons
Wood-only 11,764.0 tons
Wood/bark 11,764.0 tons
Dual Fuel1
Natural gas 1,562.0 MMCF
Fuel oil #1 and #2 (distillate) 187.0 kgals
Maximum capacity: 0.3 to <10 MMBtu/hr
Natural gas 1,115.0 MMCF
Fuel oil #1 and #2 (distillate) 187.0 kgals
Maximum capacity: 10 to 100 MMBtu/hr
Natural gas 284.0 MMCF

Fuel oil #1 and #2 (distillate) 187.0 kgals
Maximum capacity: >100 MMBtu/hr
Fuel oil #1 and #2 (distillate fuel) 2,252.0 kgals
Natural gas 133.0 MMCF
Maximum capacity: 0.3 to <10 MMBtu/hr
Fuel oil #1 and #2 (distillate fuel) 2,252.0 kgals
Natural gas 95.0 MMCF
Maximum capacity: 10 to 100 MMBtu/hr
Fuel oil #1 and #2 (distillate fuel) 2,252.0 kgals
Natural gas 24.0 MMCF
Maximum capacity: >100 MMBtu/hr
Fuel oil #1 and #2 (distillate fuel) 2,065.0 kgals
Fuel oil #5 and #6 (residual) 24.0 kgals
Coal (bituminous and subbituminous) 1,258.0 tons
Bark, wood, or wood and bark 784.0 tons
Bark, wood, or wood and bark 9,373.0 tons
Coal (bituminous and subbituminous) 104.0 tons
(1Top fuel is intended to be the primary fuel; the bottom fuel is the secondary fuel.)
Unit abbreviations:
kgals = 103 gallons
MMCF = 106 cubic feet

*This document is incorporated by reference. Copies may be obtained from the Government Printing Office, 732 North Capitol Street NW, Washington, D.C. 20401 or are available for review and copying at the Indiana Department of Environmental Management, Office of Air Quality, Indiana Government Center North, Tenth Floor, 100 North Senate Avenue, Indianapolis, Indiana 46204.

326 IAC 2-9-13

Air Pollution Control Board; 326 IAC 2-9-13; filed May 7, 1997, 4:00 p.m.: 20 IR 2313; errata filed Dec 12, 2002, 3:35 p.m.: 26 IR 1566; filed Aug 26, 2004, 11:30 a.m.: 28 IR 28; readopted filed Oct 22, 2004, 10:35 a.m.: 28 IR 811; filed Sep 28, 2011, 10:56 a.m.: 20111026-IR-326070286FRA; filed Feb 6, 2012, 2:54 p.m.: 20120307-IR-326090493FRA