The use of pumps or other devices which are capable of withdrawing gasoline from one tank and motor oil, or a premixture of gasoline and motor oil in a known ratio, from another tank, and dispensing them as a single combined product, or of withdrawing gasoline alone from the tank containing gasoline and of withdrawing a premixture of gasoline and motor oil alone from the tank containing a premixture of gasoline and motor oil shall be authorized when the department determines that all the following conditions exist:
The provisions of this section shall supersede Sections 13442, 13443, 13480, 13483, 13486, 13487, and 13488 to the extent necessary to authorize the operation of the above-described blending type of pump connected to two tanks, one containing motor oil, or a premixture of motor oil and gasoline in a known ratio, and the other gasoline, provided that the motor oil shall in its separate state meet the specifications for motor oil as required by Section 13460 and that the gasoline shall in its separate state meet the specifications for gasoline as required by Section 13440.
Ca. Bus. and Prof'l. Code § 13490