567—121.5 (455B) Land application of solid wastes for home and certain crop use.
	 121.5(1) Definitions.
	  a.   	 “Home and certain crop use” shall include lawns, gardens, flower beds or similar areas associated with residential use. Included also is land where food crops for human consumption are raised or are made available to the general public.
	  b.   	 “Food crops for human consumption” are those crops that may be consumed by humans without prior heating or processing (e.g., lettuce, carrots) or those that are commonly available to the public in raw form (e.g., asparagus, squash). Food crops for human consumption exclude cereal crops.
	 121.5(2) Only the following solid wastes may be applied to land for home and certain crop uses. These and other solid wastes may be used on other agricultural lands.
	  a.   	 Water supply sludges.
	  b.   	 Other wastes as approved by the department based on their constituents and expected environmental impact.