(1) The use or possession of any food or beverage container consisting wholly or in part of glass or metal is prohibited on any beach within any state park area, where such beach is designated as a swimming area, or where such beach is customarily and generally used as a swimming area by park patrons though not designated as such.

(2) The provisions of this rule shall not apply to any portion of the seashore conservation area as designated and established by RCW 79A.05.605.

(3) Any violation of this section is an infraction under chapter 7.84 RCW.