(1) Dried animal waste products must comply with the requirements in the following table:

(2) Processed animal waste products must not contain:

(a) Any extraneous materials such as, but not limited to, metal, glass, wire or nails (except for undried processed animal waste products in subsection (4) of this section and dried ruminant waste products in subsection (6) of this section); or

(b) Any harmful pathogenic organisms, pesticide residues, harmful parasites, or drug residues except as allowed in WAC 16-256-030(1); or

(c) Other toxic or deleterious substances above levels permitted by department statute or regulation or which could be harmful to the animals or could result in residue in tissues of food products; or

(d) By-products of animals at levels in excess of those allowed by statute or regulation.

(3) Processed animal waste products must not contain:

(a) Aflatoxin in excess of 20 parts per billion (ppb); and

(b) More than a total of 500 parts per million (ppm) of heavy metals such as mercury, lead, bismuth, copper, cadmium, arsenic, antimony, and tin.

(4) Undried processed animal waste products must contain no more than forty percent combined straw, wood, wood shavings, litter, dirt, sand, rocks and other extraneous materials.

(5) To aid in maintaining a stable microbiological quality, any product labeled as, or containing dried animal waste products, must be maintained at no more than twelve percent moisture.

(6) Any processed animal waste product that does not meet the applicable quality standards must be:

(a) Further processed until the quality standards are met; or

(b) Diverted to nonfeed or nonfood uses; or

(c) Destroyed.