The following words and terms, when used in this subchapter, shall have the following meanings, unless the context clearly indicates otherwise.
"Bounce back" means the occasion when hard zinc bullets bounce off the surface of the bullet trap.
"Bullet trap" means the area of the firing range furthest from the shooting area which is equipped with plates to capture the expended bullets after firing.
"HEPA" means a high efficiency particulate absolute filter which is 99.97 percent efficient for 0.3 microns.
"Indoor firing range" means the room inside a building which contains the shooting booths and is used for the shooting of firearms.
N.J. Admin. Code § 12:100-8.2
See: 26 New Jersey Register 2776(a), 26 New Jersey Register 3872(b).