Cascadia College prohibits the possession, display, or use of any firearm, explosive, dangerous chemical, or other weapon anywhere on college grounds or in college facilities, except for authorized college purposes, unless prior written approval has been obtained from the college president or president's designee in consultation with the director of campus safety. This prohibition does not apply to authorized law enforcement officers or to the lawful possession of any personal protection spray device authorized under RCW 9.91.160.