D.__"Agricultural composting operation" means composting that takes place on a farm.__"Agricultural composting operation" does not include an operation that involves nonorganic municipal solid waste or that composts municipal sludge, septage, industrial solid waste or industrial sludge. "Agricultural composting operation" does not include__ an operation that composts materials with a moderate or high risk of contamination from heavy metals, volatile and semivolatile organic compounds, polychlorinated biphenyls or dioxin.

E.__"Composting" means the controlled aerobic decomposition of organic materials to produce a soil-like product beneficial to plant growth and suitable for agronomic use.

2-A. Farm, farm operation or agricultural composting operation not nuisance. A farm or, farm operation or agricultural composting operation may not be considered a public or private nuisance if the farm or, farm operation or agricultural composting operation alleged to be a nuisance is in compliance with applicable state and federal laws, rules and regulations and meets one of the following conditions:

A. The farm or, farm operation or agricultural composting operation conforms to best management practices, as determined by the Commissioner of Agriculture, Food and Rural Resources in accordance with the Maine Administrative Procedure Act, Title 5, chapter 375;

B. For complaints regarding the storage or use of farm nutrients as defined in Title 7, section 4201, subsection 4, the farm or farm operation has implemented a nutrient management plan developed in accordance with Title 7, section 4204 and operation of the farm is consistent with the nutrient management plan; or

C. The farm or farm operation existed before a change in the land use or occupancy of land within one mile of the boundaries of the farm as long as, before the change in land use or occupancy, the farm or farm operation would not have been considered a nuisance. This paragraph does not apply to a farm or farm operation that materially changes the