Subd. 1. Applicability.

For purposes of sections 116.21 to 116.35, the terms defined in this section shall have the meanings given them.

Subd. 2.

MS 1990 [Renumbered subd 3]

Subd. 2. Chemical water conditioner.

"Chemical water conditioner" means a water softening chemical, antiscale chemical, corrosion inhibitor or other substance intended to be used to treat water.

Subd. 3.

MS 1990 [Renumbered subd 4]

Subd. 3. Cleaning agent.

"Cleaning agent" means a laundry detergent, dishwashing compound, household cleaner, metal cleaner, degreasing compound, commercial cleaner, industrial cleaner, phosphate compound or other substance intended to be used for cleaning purposes.

Subd. 4.

MS 1990 [Renumbered subd 2]

Subd. 4. Nutrient.

"Nutrient" means a substance or combination of substances which, if added to waters in sufficient quantities, provides nourishment that promotes growth of aquatic vegetation in densities which:

1. (1) interfere with use of the waters by humans or by any animal, fish or plant useful to humans; or
2. (2) contribute to degradation or alteration of the quality of the waters to an extent detrimental to their use by humans or by any animal, fish or plant that is useful to humans.