- (1) Gauging devices shall be arranged so that the maximum liquid level to which the container may be filled is readily determinable.
- (2) Gauging devices shall have a design working pressure at least equal to the design pressure of the container on which they are used.
- (3) Tube type liquid level gauging devices on containers in excess of 3,000 gallons shall be equipped with shutoff valves at the lower connection.
Authorizing statute(s): 80-10-503, MCA
Implementing statute(s): 80-10-503, MCA
History: NEW, 1986 MAR p. 1820, Eff. 10/31/86; AMD, 2024 MAR p. 128, Eff. 1/27/24.