(1) This chapter applies to pet food as defined in RCW 15.53.901, which includes food for dogs (Canis familiaris) and cats (Felis catus).

(2) This chapter applies to specialty pet food as defined in RCW 15.53.901 and includes any animal normally maintained in a household, such as, but not limited to, rodents, ornamental birds, ornamental fish, reptiles and amphibians, ferrets, hedgehogs, marsupials, and rabbits not raised for food or fur.

(3) If adulterated under RCW 15.53.902 for some but not all purposes, the following commodities are subject to the requirements of this chapter. If unadulterated, the following commodities are exempt from the requirements of this chapter.

(a) Unmixed whole seeds and physically altered entire unmixed seeds when such seeds are not chemically changed.

(b) Raw meat, hay, loose salt, straw, stover, silage, cobs, husks, and hulls when such commodities are not ground, mixed or intermixed with other materials.