All graded or disturbed surfaces of excavations, and all equipment materials and roadways on the site shall be dampened or suitably treated, managed, or contained to prevent the deposit of dust on neighboring properties; all materials transported to or from the site shall be so contained during transportation as to prevent spillage on streets or other property outside of the site. (Ord. 111 §1, amended, 1985; Prior code §12-107-6(F)(3))