Except as provided in RCW
70A.220.030(2), after January 1, 1992, no person may distribute, sell, or offer for sale in this state a plastic bottle or rigid plastic container unless the container is labeled with a code identifying the appropriate resin type used to produce the structure of the container. The numbers and letters used shall be as follows:
(a) [(1)] 1.= PETE (polyethylene terephthalate)
(b) [(2)] 2.= HDPE (high-density polyethylene)
(c) [(3)] 3.= V (vinyl) or PVC (polyvinyl chloride)
(d) [(4)] 4.= LDPE (low density polyethylene)
(e) [(5)] 5.= PP (polypropylene)
(f) [(6)] 6.= PS (polystyrene)
(g) [(7)] 7.= OTHER