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Controlling Emissions from Water Heaters, Small Boilers, and Process Heaters

Information and full text documents on regulations which set NOx emission limits on small water heaters, boilers and process heaters.

This page last updated 04/16/2009

The regulations described on this page set NOx emission limits on water heaters, small boilers, and process heaters. This page also provides information and complete rule packages relating to this control measure.


Background

Area affected: Statewide
Source type: Area source
Emissions targeted: Nitrogen oxides (NOx)
Rule/Citation: 30 TAC 117 Subchapter E, Division 3 exit.gif

Description: These rules are part of the State Implementation Plan and are intended to reduce statewide emissions of NOx. To comply with these rules, manufacturers, installers, distributors and dealers in Texas will need to ensure that water heaters, small boilers, and process heaters meet standards adopted in §117.3205 Exit the TCEQ.

The following are exempt from these rules: units which use fuel other than natural gas, units used in recreational vehicles, and other units which are exempt as defined in §117.3203 Exit the TCEQ.

Rulemaking Documents

These files are available in PDF (PDF Help).

Title Date Log Number Associated SIP PDF
Adoption May 23, 2007 2006-034-117-EN DFW SIP May 2007 acrobat.gif
Proposal Dec 13, 2006 206-034-117-EN DFW SIP Dec 2006 acrobat.gif
Adoption Dec 1, 2004 2004-076-117-AI HGB SIP Dec 2004 acrobat.gif
Proposal Aug 11, 2004 2004-076-117-AI HGB SIP Dec 2004 acrobat.gif
Adoption Dec 13, 2002 2002-038-117-AI HGB SIP Dec 2002 acrobat.gif
Proposal Jun 5, 2002 2002-038-117-AI HGB SIP Dec 2002 acrobat.gif
Adoption Apr 19, 2000 1999-055I-117-AI DFW SIP Apr 2000 acrobat.gif
Proposal Dec 16, 1999 1999-055I-117-AI DFW SIP Apr 2000 acrobat.gif

The Technical and Economic Feasibility Study was specified by the 79th Texas Legislature (2005) and completed in December 2005 to determine the technical and economic feasibility of regulating residential water heaters in Texas.

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Recent and Upcoming Activities

Executive Director (ED) signs Enforcement Discretion for Natural Gas-Fired Water Heaters manufactured on or after January 1, 2007.


Contact Information

Stationary Source Programs Team Contact List

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