(v) "Operational area containment" means a structure or system that is designed and
constructed to effectively intercept and contain spills, container or equipment
washwater, and precipitation to prevent the runoff or leaching of fertilizer from an area
or areas at a storage facility where bulk fertilizers are transferred, loaded, unloaded,
mixed, impregnated, repackaged, or refilled.
(w) "Primary containment" means the storage of bulk fertilizer in storage containers at
a storage facility.
(x) "Primary containment piping" consists of any conveyance utilized to transport
liquid fertilizer into or out of the storage area.
(y) "Rinsate" means the liquid that is generated from the rinsing of the interior surface
of fertilizer application equipment or a fertilizer container that has come in direct
contact with fertilizer. The liquid is a mixture of water and a relatively low
concentration of fertilizer. "Rinsate" includes the liquid that is generated by cleaning a
containment area under R 285.641.10(3).
(z) "Secondary containment" means a structure, including dikes, that is effectively
designed and constructed to contain spills or leaks and to prevent escapes, runoff,
and leaching of fertilizer from bulk storage containers and appurtenances.
(aa) "Spill" means a contained release, within a containment area or operational
pad, in a quantity that is more than 55 United States gallons of liquid or 650 pounds of
dry bulk fertilizer. "Spill" does not include a fully contained transfer of bulk fertilizer
that is made pursuant to sale, storage, distribution, or intended use.
(bb) "Storage" means the storage of bulk fertilizer by a person who manufactures
or distributes bulk fertilizer.
(cc) "Storage container" means a container, rail car, nurse tank, or mobile container
that is used for the storage of bulk fertilizer. "Storage container" does not include any of
(i) A mobile container that stores bulk fertilizer at a storage facility for less than 30
consecutive days if the storage is incidental to the loading or unloading of a storage
container at the storage facility.
(ii) A mobile container that is located on property other than property which is
owned, operated, or controlled by an owner or operator of a storage facility for less than
30 consecutive days.
(iii) A rail car that stores bulk fertilizer at a storage facility for less than 30
consecutive days without reloading or unloading.
(iv) A container which is 2,500 gallons or less and which is used solely as emergency
storage for leaking fertilizer containers.
(dd) "Storage facility" means a facility which is used to store or hold bulk fertilizer
and which is owned, operated, controlled, or leased by a person who manufactures or
distributes bulk fertilizer.
(ee) "Surface water" means a body of water that has its top surface exposed to the
atmosphere and includes lakes, ponds, or water holes that
cover an area of more than 0.25 acres and streams, rivers, or waterways that maintain a
flow year-round. "Surface water" does not include waterways that have an intermittent
(ff) "Washwater" means the liquid that is generated from rinsing the exterior
surfaces of application, handling, storage, transportation, or nurse equipment.