30 Tex. Admin. Code § 106.320
Current through Reg. 49, No. 45; November 8, 2024
Electrically heated or sweet natural gas or liquid petroleum gas fueled equipment used exclusively for heat treating, soaking, case hardening, or surface conditioning of metal objects, such as carbonizing, cyaniding, nitriding, carbon nitriding, siliconizing, or diffusion treating is permitted by rule.
30 Tex. Admin. Code § 106.320