(a) The operator of a licensed disposal plant shall dispose of the carcasses of domestic animals or packinghouse refuse by complying with the following standards and requirements:

(1) The skinning and dismembering of carcasses of domestic animals shall be performed within the building where the carcasses are processed;

(2) the cooking vats or tanks shall be airtight, except proper escape for live steam;

(3) steam shall be so disposed of as not to be detrimental to public health or safety;

(4) the materials not cooked or entirely consumed by burning within the plant, shall be disposed of:

(A) By burying to such a depth that no part of such carcass shall be nearer than three feet to the surface of the ground, and shall be covered with quick-lime and with at least three feet of earth; or

(B) in such manner as may be prescribed by rules and regulations adopted by the commissioner;

(5) all carcasses of domestic animals or packinghouse refuse shall be disposed of within 48 hours after delivery to the disposal plant;

(6) all carcasses, parts thereof, or refuse under process for marketing shall not be permitted to come in contact with any part of the building or the equipment used in connection with the unloading, skinning, dismembering and grinding of carcasses or refuse as originally received at disposal plant;

(7) the cooking of materials shall be at a temperature of 212° F. (boiling point) for a period of 30 minutes.

(b) The commissioner may issue a release for portions of carcasses of dead animals which are uncooked, or which are cooked for a period shorter than 30 minutes or at a temperature less than 212° F., or both. Such release requires that the products so released shall be identified by freely slashing and covering all exposed surfaces of such products with an edible green dye or other such suitable substance as may be approved by the commissioner. Such products shall otherwise meet the requirements of the Kansas feeding stuffs statute, article 10 of chapter 2, Kansas Statutes Annotated.