Mixing (Repealed)

(a) The maximum content of tetraethyl lead in commercial ethyl gasoline shall be in the proportion of 1:1260 by volume for commercial tetraethyl lead, or 1:1300 for Pb (C2H5)4 C.P. (b) Mixing ethyl fluid with gasoline, except for certain specific requirements such as research, military and naval use and air mail service, shall be done only at the main distribution centers and in not less than tank car lots. Adequate provision shall be made at each such center for thorough mechanical distribution of the ethyl fluid throughout the gasoline, and the efficiency of such distribution shall be controlled by the analysis of samples. (c) The location of these centers and the names of persons engaged in mixing shall be reported to the state department of health. (d) As few persons at each center as practicable shall be employed for this work. (e) No person shall be engaged for mixing until adequately instructed as to the mechanics of mixing, the dangers and the precautions to be taken. (f) The distributor of ethyl fluid shall provide a special corps of adequately trained instructors and service men. (g) All mixing shall be done with the maximum ventilation practicable under weather conditions existing at the time. (h) Operation of the pumps shall be instantly stopped at the appearance of a leak or other defect and no attempt shall be made to repair or disconnect the system until a qualified man takes personal charge of it. (i) Floors of all places where any possibility of spilling is present are to be provided with drains and proper facilities for making possible a complete flushing out of all spilled fluid or, in their absence, provision shall be made for chemically neutralizing such spillage as occurs. (j) No bulk mixing station shall be dismantled or disconnected for repairs except by a qualified man. (k) Kerosene or other efficient means of preventing skin adsorption of tetraethyl lead and washing facilities shall always be conveniently available. (l) The rules and instructions affecting the employees shall be posted in a conspicuous place where the ethyl fluid is being handled.