Iowa Administrative Code › Agency 661 - Public Safety Department › Chapter 224 - Aboveground Flammable or Combustible Liquid Storage Tanks › Rule 661-224.2 - Definitions

Current through Register Vol. 47, No. 3, July 24, 2024
The following definitions apply to the rules in this
				chapter:
"Aboveground flammable or combustible liquid storage
				tank"
means one or a combination of tanks, including connecting pipes
				connected to the tanks which are used to contain an accumulation of flammable
				or combustible liquid and the volume of which, including the volume of the
				underground pipes, is more than 90 percent above the surface of the ground.
				"Aboveground flammable or combustible liquid storage tank" does not include any
				of the following:
1. Aboveground tanks
			 of 1100 gallons or less capacity.
2. Tanks used for storing heating oil for
			 consumptive use on the premises where stored.
3. Underground storage tanks as defined by
			 Iowa Code section
			 455B.471.
4. A flow-through process tank, or a tank
			 containing a regulated substance, other than motor fuel used for transportation
			 purposes, for use as part of a manufacturing process, system, or
			 facility.
5. An aboveground tank
			 that stores flammable liquids on a farm located outside the limits of a city if
			 the aboveground tank has 2000 gallons or less capacity.
6. An aboveground tank that stores
			 combustible liquids on a farm located outside the limits of a city if the
			 aboveground tank has 5000 gallons or less capacity.
"Combustible liquid"
means any liquid that has
				a closed-cup flash point greater than or equal to 100 degrees
				Fahrenheit.
"Commodities"
means crops as defined in Iowa
				Code section
				202.1 or animals as
				defined in Iowa Code section
				459.102.
"Farm "
means land and associated improvements
				used to produce agricultural commodities, if at least $1000 is annually
				generated from the sale of the agricultural commodities.
"Flammable liquid"
means a liquid with a
				closed-cup flash point below 100 degrees Fahrenheit and a Reid vapor pressure
				not exceeding 40 psi absolute, 2026.6 mm Hg, at 100 degrees Fahrenheit.
"Liquefied natural gas "
means a fuel in the
				liquid state composed predominantly of methane and which may contain minor
				quantities of ethane, propane, nitrogen, or other components normally found in
				natural gas.
"Liquefied petroleum gas"
means material
				composed predominantly of any of the following hydrocarbons, or mixtures of the
				same: propane, propylene, butanes (normal butane or isobutane), and
				butylenes.
"Operator"
means a person in control of, or
				having responsibility for, the daily operation of an aboveground flammable or
				combustible liquid storage tank.
"Owner "
means: in the case of an aboveground
				flammable or combustible liquid storage tank in use on or after July 1, 1989, a
				person who owns the aboveground flammable or combustible liquid storage tank
				used for the storage, use, or dispensing of flammable or combustible liquid, or
				in the case of an aboveground flammable or combustible liquid storage tank in
				use before July 1, 1989, but no longer in use on or after that date, a person
				who owned the tank immediately before the discontinuation of its use.
"Petroleum"
means petroleum as defined in Iowa
				Code section
				455B.471.