1. Labels. The label shall appear on the bottom of the plastic bottle or rigid plastic container and be clearly visible. This label shall consist of a number with letters placed below the number. The numbers and letters shall be as follows:
A. For polyethylene terephthalate, the letters "PETE" and the number 1; [PL 1989, c. 585, Pt. C, §16 (NEW).]
B. For high-density polyethylene, the letters "HDPE" and the number 2; [PL 1989, c. 585, Pt. C, §16 (NEW).]
C. For vinyl, the letter "V" and the number 3; [PL 1989, c. 585, Pt. C, §16 (NEW).]
D. For low-density polyethylene, the letters "LDPE" and the number 4; [PL 1989, c. 585, Pt. C, §16 (NEW).]
E. For polypropylene, the letters "PP" and the number 5; [PL 1989, c. 585, Pt. C, §16 (NEW).]
F. For polystyrene, the letters "PS" and the number 6; or [PL 1989, c. 585, Pt. C, §16 (NEW).]
G. For any other plastic resins, including multilayer, the letters "OTHER" and the number 7. [PL 1989, c. 585, Pt. C, §16 (NEW).]
2. Alternative labels.