1. All liquefied petroleum gas, including but not limited to propane, butane, and mixtures of them, shall be kept, offered, exposed for sale, or sold by the pound, metered cubic foot of vapor, defined as one cubic foot at 60 degrees Fahrenheit, or by the gallon, defined as two hundred thirty-one cubic inches at 60 degrees Fahrenheit.

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Terms Used In Iowa Code 215.20

  • Liquefied petroleum gas: means liquids that do not remain in a liquid state at atmospheric pressures and temperatures composed predominantly of any of the following hydrocarbons, or mixtures of hydrocarbons: propane, propylene, butanes including normal butane or isobutane, and butylenes. See Iowa Code 215.1
  • state: when applied to the different parts of the United States, includes the District of Columbia and the territories, and the words "United States" may include the said district and territories. See Iowa Code 4.1
 2. All metered sales exceeding one hundred gallons shall be corrected to a temperature of 60 degrees Fahrenheit through use of an approved meter with a sealed automatic compensation mechanism. All sale tickets for sales exceeding one hundred gallons shall show the stamped delivered gallons and shall state that the temperature correction was automatically made.
 3. A reasonable tolerance within a maximum of plus or minus one percent shall be allowed on liquid petroleum gas meters licensed for commercial use in this state.