Administrative Rules of Montana
Department 4 - AGRICULTURE
Chapter 4.12 - AGRICULTURAL SCIENCES DIVISION
Subchapter 4.12.7 - Anhydrous Ammonia Rules
Rule 4.12.712 - FILLINGS DENSITIES
Universal Citation: MT Admin Rules 4.12.712
Current through Register Vol. 6, March 22, 2024
(1) Filling density shall be limited to 85 percent capacity by volume at 60 degrees F.
(2) The filling densities for nonrefrigerated containers by weight shall not exceed the following:
Aboveground Underground
(a) Uninsulated 56% 58%
(b) Insulated 57%
(c) Containers regulated by department of
transportation shall be filled in accordance with Hazardous Materials
Transportation Regulations (Subch. C, ARM 171.6).
(3) The filling density for refrigerated storage tanks shall be such that the tanks will not be liquid full at a liquid temperature corresponding to the vapor pressure at the start-to-discharge pressure setting of the safety relief valve.
Sec. 80-10-503, MCA; IMP, Sec. 80-10-503, MCA;
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