30 Tex. Admin. Code § 106.141
Batch mixers with rated capacity of five cubic feet or less for mixing cement, sand, aggregate, additives, and/or water or similar materials are permitted by rule.
Source Note:The provisions of this §106.141 adopted to be effective March 14, 1997, 22 TexReg 2439; amended to be effective September 4, 2000, 25 TexReg 8653.