Michigan Administrative Code › Department - Agriculture and Rural Development › Animal Industry Division › Bodies of Dead Animals › Section R. 287.651 - Definitions

Current through Vol. 24-12, July 15, 2024
Rule 1. As used in these rules:
(a) "Afterbirth" means fetal fluids,
				placenta, and fetal mortality.
(b)
				"Anaerobic digestion" means the biochemical conversion of complex organic
				materials, such as manure, into methane and other byproducts in the absence of
				oxygen.
(c) "Animal process
				operation" is a place where animals or animal tissues may accumulate in a
				non-production (no multiple-day care and feeding) setting such as a butcher
				shop, slaughter facility, taxidermist, road commission, veterinary clinic, or
				market collection point.
(d)
				"Animal production operation" generally described as a "farm," means an
				operation where animals under common ownership or management receive care and
				feeding for the production of food, co-products, or pleasure.
(e) "Biogas" means the gaseous mix of
				methane, carbon dioxide, and other trace gases including hydrogen sulfide,
				ammonia, and hydrogen.
(f)
				"Digestate" means the mixture of liquid and solid material (slurry) remaining
				after the digestion process is completed. Digestate is commonly known as
				effluent.
(g) "Finished" compost
				means ready for final utilization as a soil amendment, plant fertilizer, or
				rooting medium. Finished compost shall be dark, humus-like with little odor,
				and free of any animal soft tissue.
(h) "Forced aeration" means air is pushed or
				pulled through compost using a blower and perforated ductwork (within the
				compost or in the floor or walls surrounding the compost) to speed the
				composting process.
(i) "In-vessel"
				means composting within a container, using forced aeration by mechanical
				turning (rotating drum).
(j)
				"Leachate" means any liquid that may drain from compost.
(k) "Mesophilic" means operating the
				anaerobic digester in the temperature range of 95 degrees Fahrenheit to 105
				degrees Fahrenheit.
(l) "NRCS"
				means Natural Resources Conservation Service of the United States Department of
				Agriculture.
(m) "Passive aeration"
				means the movement of air through a compost pile brought about by the pull that
				is created when warm air exits the top and side of the pile and air from or
				through other parts of the compost is drawn in to take its place. Exiting air
				contains gases, moisture, and heat.
(n) "Restaurant grease" means animal or
				vegetable oils and fats that have been used or generated as a result of the
				preparation of food by a restaurant or other establishment that prepares or
				cooks food for human consumption. Restaurant grease does not include trap
				grease, interceptor grease, or other contents of grease traps or interceptor
				traps.
(o) "Site" means the
				location on premise where composting occurs.
(p) "Specifically designed container truck"
				means a truck or other vehicles designed or modified and constructed to haul
				individual leak proof containers.
(q) "Surface waters" means the definition in
				R 287.651(1)(o)(i) to (viii).
(r)
				"Thermophilic" means operating in the temperature range of 125 degrees
				Fahrenheit to 135 degrees Fahrenheit.
(s) "Trap grease," also referred to as
				"interceptor grease," means any restaurant grease skimmed, filtered, separated,
				or otherwise captured from wastewater before discharge.
(t) "Waters of the state" means all of the
				following, but does not include drainage ways and ponds used solely for
				wastewater conveyance, treatment, or control:
(i) The Great Lakes and their connecting
				waters.
(ii) All inland
				lakes.
(iii) Rivers.
(iv) Streams.
(v) Impoundments.
(vi) Open drains.
(vii) Other surface bodies of water within
				the confines of the state.
(viii)
				Groundwater.