Maryland Code, Environment § 9-1710

(i) Has a neck that is smaller than the container;

(ii) Accepts a screw-type, snap cap, or other similar closure; and

(iii) Has a capacity of at least 16 fluid ounces but less than 5 gallons.

(i) Is intended for single use;

(ii) Is predominantly composed of plastic resin;

(iii) Has a relatively inflexible finite shape or form; and

(iv) Has a capacity of at least 8 ounces but less than 5 gallons.

(i) Appear on or near the bottom of the container;

(ii) Be clearly visible; and

(iii) Consist of:

(2)(i) The 3 arrows shall form an equilateral triangle with the apex of each point of the triangle at the midpoint of each arrow, rounded with a short radius.

(ii) The arrowhead of each arrow shall be at the midpoint of each side of the triangle with a short gap separating the pointer from the base of the adjacent arrow.

(iii) The triangle formed by the 3 arrows curved at their midpoints shall depict a clockwise path around the code number.

(i) For polyethylene terepthalate, the letters “PETE” and the number 1;

(ii) For high density polyethylene, the letters “HDPE” and the number 2;

(iii) For vinyl, the letter “V” and the number 3;

(iv) For low density polyethylene, the letters “LDPE” and the number 4;

(v) For polypropylene, the letters “PP” and the number 5;

(vi) For polystyrene, the letters “PS” and the number 6; and

(vii) For any other plastic resin, the word “Other” and the number 7.