Sec. 19.
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
Last modified: October 10, 2016