4 Va. Admin. Code § 25-125-10
The following words and terms when used in this chapter shall have the following meanings unless the context clearly indicates otherwise:
"Bin" means a container for storage of bulk material.
"Bunker" means a vessel for the bulk storage of material; the lowermost portion is usually constructed in the form of a hopper.
"Chief" means the Chief of the Division of Mines of the Department of Energy.
"Division" means the Division of Mines of the Department of Energy.
"Hopper" means a vessel not primarily intended for storage into which materials are fed; usually constructed in the form of an inverted pyramid or cone terminating in an opening through which the material is discharged.
"Safety line" means a component consisting of a flexible line for connection to an anchorage at one end to hang vertically (vertical lifeline), or for connection to anchorages at both ends to stretch horizontally (horizontal lifeline), and which serves as a means for connecting other components of a personal fall arrest system to the anchorage.
"Silo" means a tall structure, usually cylindrical and of reinforced concrete construction, in which bulk material is stored and discharged through feeders that draw materials from the bottom.
"Stockpile" means any accumulation of material formed to create a reserve for loading or other purposes.
4 Va. Admin. Code § 25-125-10
Statutory Authority: § 45.2-103 of the Code of Virginia.