The metal used in all tanks shall be of a minimum gauge, U.S. standard, depending upon the capacity or size as given in the following table:

Capacity Thickness

(Gallons) of material

1 to 500 14 gauge

501 to 1100 12 gauge

1101 to 4000 7 gauge

4001 to 10500 1/4 inch

10501 to 20000 5/16 inch

20001 to 30000 3/8 inch

History: 1929, Act 319, Imd. Eff. May 28, 1929 ;– CL 1929, 2626 ;– CL 1948, 125.569