Content Warning: The language below is copied directly from current animal disposal law and may be disturbing for some people to read.
Arizona Department of Agriculture (Animal Services)
R3-2-206. Purchase, Sale, Collection, Transportation, Disposition, and Use of Meat or Meat Food Products; Dead Animals; Animal Bone, Animal Fat, Animal Offal
A. A person shall not buy, sell, offer for sale, store, transport, receive, or collect any meat or meat food product except as provided in this subsection.
1. Any of the following meat or meat food products may be bought, sold, or offered for sale as animal food and may be stored, transported, received, or collected anywhere within the state:
a. Any meat or meat food product that is processed in an animal food manufacturing plant licensed by the Department;
b. Any meat or meat food product that comes from an animal that died by slaughter or is approved or passed for animal food by either state or federal meat inspectors;
c. Any meat or meat food product that is thoroughly cooked at a minimum temperature of 180° F for 30 minutes and is certified by a state or a federal meat inspector having jurisdiction at the place of processing.
2. A carcass with the hide, hair, or pelt still on the carcass may be bought, sold, offered for sale, collected and transported to or received by the following only:
a. A rendering or tallow plant;
b. A state or county diagnostic laboratory, a veterinarian's clinic, or crematory;
c. An animal food manufacturing plant;
d. A landfill regulated by the Arizona Department of Environmental Quality;
e. An out-of-state landfill regulated by that state's landfill regulatory authority; or
f. A landfill located on a Native American reservation that is regulated by equivalent standards to those prescribed by the Arizona Department of Environmental Quality.
3. Any meat or meat food product described in subsection (A)(1) or a carcass with the hide, hair, or pelt still on the carcass from an official state or federal slaughter establishment shall be denatured with a denaturant that will not leave a toxic residue and is removable when steam-distilled at atmospheric pressure.
4. Any meat or meat food product that has been condemned by state or federal meat inspectors shall be treated as provided in 9 CFR 314.3, which has been incorporated by reference in R3-2-202, and may be disposed of as provided in that rule or may be collected and transported to or received by a rendering or tallow plant or a state or county diagnostic laboratory or crematory.
B. A person engaged commercially in the collection or transportation of dead animal carcasses or inedible meat shall register with the Department as a dead animal hauler as prescribed in R3-2-203(B) and shall maintain and keep all records for the time required by R3-2-203(C). [see below for R3-2-203(c)]
C. A vehicle or other means of conveyance used to transport a dead animal carcass or inedible meat shall be: 1. Leak-proof, 2. Constructed of impervious materials that permit thorough cleaning and sanitizing, 3. Equipped to control insects and odors and prevent the spread of disease, and 4. Comply with the Department of Environmental Quality vehicle requirements prescribed in R18-13-310(A) and (B).
D. Except as provided in subsection (E), a dead animal carcass may be rendered or made into animal food only at a licensed rendering or animal food manufacturing plant as prescribed in A.R.S. § 3-2088 and this Article.
E. Dead animals diagnosed with anthrax or an animal disease foreign to the United States shall be handled as directed by the State Veterinarian.
F. Discarded animal bone, animal fat, and animal offal generated by a wholesale food manufacturer shall be transported to and received by only a:
1. Licensed rendering plant, or
2. Landfill, as prescribed in subsections (A)(2)(d), (A)(2)(e), and (A)(2)(f).
3-2-203. Licenses; Registration; Records
A. Any person operating a business in any of the following categories shall obtain the appropriate license from the Department.
1. Types of slaughter licenses.
a. Official slaughter - the slaughtering of animals in a slaughterhouse for sale for human consumption.
b. Exempt slaughter.
i. Exempt non-mobile slaughter - the slaughtering or dressing of an animal in a stationary building for human consumption, that is not sold or offered for sale.
ii. Exempt mobile slaughter - the slaughtering or dressing of an animal for human consumption by using a mobile structure on the property of the animal's owner, that is not sold or offered for sale.
2. Types of meat licenses.
a. Broker - any person, firm or corporation engaged in buying or selling carcasses, parts of carcasses, meat or poultry food products, or by-products from state or federally inspected establishments. A broker negotiates purchases or sales of these products other than for the broker's own account, as an employee of another person, and is paid a commission.
b. Exempt - any person, firm, or corporation engaged in processing meat or poultry products without meat inspection, for an individual owner of meat that is not for sale.
c. Distributor - any person, firm, or corporation engaged in receiving carcasses, parts of carcasses, meat or poultry food products, or by-products from state or federally inspected establishments and storing or distributing these products to commercial outlets, processors, or individuals. A distributor does not process any of these products.
d. Jobber - any person, firm, or corporation with an established place of business that buys meat or poultry food products and offers the products for sale to someone other than the end-use consumer.
e. Pet food manufacturer - any person, firm, or corporation engaged in manufacturing animal food from meat or poultry unfit for human consumption.
f. Processor - any person, firm, or corporation that changes meat or poultry food products by cutting, mixing, blending, canning, curing or otherwise preparing meat or meat food products wholesale for human consumption.
g. Renderer - any person, firm, or corporation that renders and tallows and any person, firm, or corporation engaged commercially in the hide, hair, or pelt removal, cutting up, or rendering of animals.
B. Applications for a license or registration pursuant to A.R.S. § 3-2081(A), shall be made on forms provided by the Department and shall contain the following:
1. The name of the applicant and the applicant's partners, officers or directors of the business, if any;
2. The business name, mailing address, telephone number, and social security number of the applicant;
3. The exact location of the business, if different from subsection (B)(2).
C. All persons licensed or registered under this Section, and all other persons described in A.R.S. § 3-2081, shall maintain the records required under A.R.S. § 3-2081 for a minimum of one year. In addition, all registered dead animal haulers, licensed rendering and tallow plants, and pet food manufacturing plants shall prepare and submit the reports required under A.R.S. § 3-2695 and shall include copies of those reports as part of records maintained under this Section and A.R.S. § 3-2081.
Arizona Department of Environmental Quality (ADEQ)
R18-13-311. Disposal; General
All refuse shall be disposed of by a method or methods included in these rules and shall include rodent, insect, and nuisance control at the place or places of disposal. Approval must be obtained from the Department for all new disposal sites and may change in the method of disposal prior to use. Carcasses of large dead animals shall be buried or cremated, unless satisfactory arrangements have been made for disposal by rendering or other approved methods. All public “dumping grounds”, provided in compliance with A.R.S. § 9-441, shall be maintained and operated in accor- dance with the requirements of these rules. Manure shall be disposed of by sanitary landfill, composting, incineration, or used as fertilizer in such a manner as not to create insect breeding or a nuisance.