(g) Pieces of hide remaining at the completion of curing shall be removed and added to
a new active compost batch or shall be disposed of under section 21 of 1982 PA 239,
MCL 287.671, before the compost may be sold or transferred or applied to crop land.
(h) Large bones of mature animals remaining at the completion of curing shall be
crumbled during the mechanical spreading process or removed and added to a new
active compost batch, or disposed ofunder section 21 of 1982 PA 239, MCL 287.671,
before the compost may be sold or transferred or applied
to crop land.
(i) Flies, rodents, pests, vermin, and other scavengers or predators shall be controlled so
as not to disrupt the compost piles or constitute a risk or health hazard to human or
(j) Odors shall be controlled in accordance with the Michigan Animal Tissue
Composting Operational Standards, as adopted by reference in R 287.651a.
(14) The disposition of finished compost may be by direct application to soils, sale, or
other transfer of ownership. Application to soils shall be done in accordance with the
recommendations within the Generally Accepted Agricultural and Management
Practices for Nutrient Utilization, January 2010, as specified in 1981 PA 93, MCL
(15) In the interest of public health or animal health, the director may require that any
compost be tested at a laboratory approved by the director for certain pathogenic
organisms or any contaminant at any time before the compost leaves the composing
(16) Composting dead animals shall not be removed from the composting site,
except as finished compost, unless the dead animal is disposed of in accordance with
section 21 of 1982 PA 239, MCL 287.671.
(17) The owner or operator of the composting site shall keep records for 5 years
containing the following information and shall make the records available to the
director immediately upon request:
(a) The start date of each compost batch.
(b) The approximate weight, maturity, and species of dead animals or afterbirth
added each time an addition is made and the dates the tissue is added to new compost
(c) The temperature of each batch measured weekly, shall be taken at a minimum of
1 foot deep into the compost.
(d) The date compost is mechanically aerated shall be recorded.
(e) The final disposition of finished compost, including the method, destination,
date, and volume for the batch.
(18) A contingency plan to remedy problems and ensure the proper disposal of dead
animals shall be kept at the compost site. The contingency plan shall include all of the
(a) A list of the following:
(i) The location of telephone numbers for and emergency numbers for the police, the
fire department, and medical aid.
(ii) The person or persons responsible for the composting operation.
(b) An action plan for all of the following emergencies: