For the purposes of WAC 16-24-010 through 16-24-050:

(1) "Department" means the department of agriculture of the state of Washington.

(2) "Director" means the director of the department or his duly appointed representative.

(3) "Humane method" means either:

(a) A method whereby the animal is rendered insensible to pain be mechanical, electrical, chemical or other means that is rapid and effective, before being shackled, hoisted, thrown, cast or cut; or

(b) A method in accordance with the ritual requirements of any religious faith whereby the animal suffers loss of consciousness by anemia of the brain caused by the simultaneous and instantaneous severance of the carotid arteries with a sharp instrument.

(4) "Livestock" means cattle, calves, sheep, swine, horses, mules and goats.

(5) "Packer" means any person engaged in the business of slaughtering livestock.

(6) "Person" means a natural person, individual, firm, partnership, corporation, company, society and association and every officer, agent or employee, thereof. This term shall import either the singular or plural, as the case may be.

(7) "Slaughterer" means any person engaged in the commercial or custom slaughtering of livestock, including custom farm slaughterers.

(8) "Law" - Chapter 16.50 RCW, (chapter 31, Laws of 1967).

(9) "Carbon dioxide" - A gaseous form of the chemical formula CO2.

(10) "Carbon dioxide concentration" - Ratio of carbon dioxide gas and atmospheric air.

(11) "Exposure time" - The period of time an animal is exposed to an anesthesia-producing carbon dioxide concentration.

(12) "Anesthesia" - Loss of sensation or feeling.

(13) "Surgical anesthesia" - A state of unconsciousness measured in conformity with accepted surgical practices.

(14) "Consciousness" - Responsiveness of the brain to the impressions made by the senses.

(15) "Captive bolt" - A stunning instrument which when activated drives a bolt out a barrel for a limited distance.