1. When the thermometer reads 167 degrees Fahrenheit not less than ten (10) per cent shall be evaporated.
2. When the thermometer reads 284 degrees Fahrenheit not less than fifty (50) per cent shall be evaporated.
3. When the thermometer reads 392 degrees Fahrenheit not less than ninety (90) per cent shall be evaporated.
4. The end or dry point of distillation must not be over 437 degrees Fahrenheit.
5. The residue shall not exceed two (2) per cent.
6. Sulphur shall not exceed twenty one hundredths (0.20) per cent.
(b) Motor fuel or gasoline shall be volatile hydro-carbon fuel, free from water and suspended matter, and shall be practicable and/or suitable for use as fuel in internal combustion engines.
Acts 1919, p. 213. Amended by Acts 1933, 43rd Leg., p. 94, ch. 46, Sec. 2; Acts 1935, 44th Leg., p. 396, ch. 154, Sec. 2.