Regulatory Text: 
Texas Commission on Environmental Quality

Chapter 117 – Control of Air Pollution from Nitrogen Compounds.

Subchapter A : Definitions

Section 117.10, Definitions.
As adopted by TCEQ June 3, 2015 effective June 25, 2015 (7-34) and submitted 
to EPA July 10, 2015 (TX-378),
Regulations.gov document EPA-R06-OAR-2015-0497-0003 [TX175.03].
Approved by EPA April 13, 2016 (81 FR 21747), effective May 13, 2016 (TXd183),
Regulations.gov docket EPA-R06-OAR-2015-0497 [TX175].

• Texas SIP: 30 TAC 117.10: Control of Air Pollution From Nitrogen Compounds Definitions (PDF)(13 pp, 64 K, June 25, 2015)