Oregon Revised Statutes Public Health and Safety § 459A.680

(1) All rigid plastic bottles and rigid plastic containers sold in Oregon shall be labeled with a code that indicates the resin used to produce the rigid plastic bottle or rigid plastic container. Rigid plastic bottles or rigid plastic containers with labels, basecups or other components of a different material may be coded by their basic material if the material is compatible in recycling systems. The code shall consist of a number placed inside a triangle and letters placed below the triangle. The triangle shall be equilateral, formed by three arrows with the apex of each point of the triangle at the midpoint of each arrow, rounded with a short radius. The pointer 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. The triangle, formed by the three arrows curved at their midpoints, shall depict a clockwise path around the code number. The numbers and letters used shall be as follows:

(2) The Department of Environmental Quality shall maintain a list of abbreviations used on labels under subsection (1) of this section and shall provide a copy of that list to any person upon request.