Dewatering means the removal of water for construction activity. It can be a discharge of appropriated surface or groundwater to dry and/or solidify a construction site. It may require Minnesota Department of Natural Resources permits to be appropriated and if contaminated may require other MPCA permits to be discharged.
Incineration means an engineered process involving burning or combustion of solid waste to thermally degrade waste materials at high temperatures;
Ballast water means water with its suspended matter taken on board a ship to control trim, list, draught, stability or stresses of the ship.
Skateboard means a board with small wheels that is usually ridden by a person. For purposes of these rules, a nonmotorized scooter (a board with a handle) is considered a skateboard.
Grinding means to reduce to powder or small fragments and includes mechanical chipping or drilling.
Incinerator means any enclosed device that:
Drywell means an unlined or partially lined underground pit (regardless of geometry) into which drainage from roofs, basement floors, water softeners or other non-wastewater sources is discharged and from which the liquid seeps into the surrounding soil.
Kitchen means a food preparation area that includes a sink, refrigerator and a microwave oven or stove.
Freeboard means a factor of safety usually expressed in feet above a flood level for purposes of floodplain management. "Freeboard" tends to compensate for the many unknown factors that could contribute to flood heights greater than the height calculated for a selected size flood and floodway conditions, such as wave action, blockage of bridge or culvert openings, and the hydrological effect of urbanization of the watershed.
Automotive windshield washer fluid means any liquid designed for use in a motor vehicle windshield washer system either as an antifreeze or for the purpose of cleaning, washing, or wetting the windshield. Automotive windshield washer fluid does not include fluids placed by the manufacturer in a new vehicle.
Crane means any self-propelled vehicle to which has been permanently mounted or attached any crane, whether or not such vehicle was originally a truck, tractor, or other type of motor vehicle or was designed and built as a complete crane unit. However, the word "crane," as herein defined, shall not be construed to mean any truck or other vehicle equipped with or to which has been affixed any device used for the purpose of providing a means for towing other vehicles.
Cement means a building material that is produced by heating mixtures of limestone and other minerals or additives at high temperatures in a rotary kiln to form clinker, followed by cooling and grinding with blended additives. Finished cement is a powder used with water, sand, and gravel to make concrete and mortar.
Chimney means a construction by means of which a flue is formed for the purpose of carrying products of combustion to the open air and includes a chimney stack and the flue pipe.
Asphalt means a dark brown to black cement-like material (solid, semisolid, or liquid in consistency) in which the predominating constituents are bitumens which occur in nature as such or which are obtained as residue in refining petroleum.
HDPE means high density polyethylene;
Hot water means water at a temperature of 110°F. (43°C.) or higher.
Uppermost aquifer means the geologic formation nearest the natural ground surface that is an aquifer, as well as lower aquifers that are hydraulically interconnected with this aquifer within the facility's property boundary.
Ash means all species of the genus Fraxinus.
Greywater means all liquid wastes from showers, baths, sinks, kitchens and domestic washing facilities, but does not include toilet wastes;
Waterworks or “water system” means all structures, conduits and appurtenances by means of which water is delivered to consumers except piping and fixtures inside buildings served, and service pipes from building to street main.
cogeneration means the simultaneous generation in one process of thermal energy and electrical or mechanical energy;
Grease means an organic substance recoverable by procedures set forth in "Standard Methods" and includes but is not limited to hydrocarbons, esters, fats, oils, waxes and high molecular carboxylic acids;
Liner means a continuous layer of natural or man-made materials, beneath or on the sides of a surface impoundment, landfill, or landfill cell, which restricts the downward or lateral escape of hazardous waste, hazardous waste constituents, or leachate.
Rack means a mechanism for delivering motor vehicle fuel or diesel from a refinery or terminal into a truck, trailer, railroad car, or other means of non-bulk transfer.
Shrub means and refer to a woody plant, smaller than a tree, consisting of several small stems from the ground or small branches near the ground.
Low-solids coating means a coating containing 0.12 kilogram or less of solids per liter (one pound or less of solids per gallon) of coating material.