NR 204.03(8)(8) “Bag or other container” or “bagged” or “bag” means either a bag or an open or closed receptacle that has a capacity of one metric ton or less. This includes a bucket, a box, a carton and a vehicle or trailer. NR 204.03(9)(9) “Bedrock” means the rocks that underlie soil material. Bedrock may be present at the earth’s surface when the weathered in-place consolidated material, larger than 2 mm in size, is greater than 50% by volume. NR 204.03(10)(10) “Bulk sewage sludge” means sewage sludge which will be applied to the land but is not bagged. NR 204.03(11)(11) “Centralized septage treatment facility” means a treatment facility which accepts septage from multiple sources and treats the septage prior to discharge or disposal. NR 204.03(12)(12) “Community well” means a public well which serves at least 15 service connections used by year-round residents or regularly serves at least 25 year- round residents. Any well serving 7 or more homes, 10 or more mobile homes, 10 or more apartment units or 10 or more condominium units shall be considered a community well unless information is available to indicate that 25 year- round residents will not be served. NR 204.03(13)(13) “Cumulative metals loading rate” means the maximum amount of an inorganic metal that can be applied to a unit area of land. NR 204.03(14)(14) “Density of microorganisms” means the number of microorganisms per unit mass of total solids, on a dry weight basis, in the sewage sludge. NR 204.03(15)(15) “Department” means the department of natural resources. NR 204.03(16)(16) “Detrimental effects” means contamination of the lands or waters of the state or making the same injurious to public health, harmful for commercial or agricultural use, or deleterious to animal or plant life. NR 204.03(17)(17) “Domestic sewage” means waste and wastewater from humans or household operations that is discharged to or otherwise enters a treatment works. NR 204.03(18)(18) “Dry run” means a drainage pathway, either natural or artificial, with definable banks, which contains confined flow during periods of natural runoff. NR 204.03(19)(19) “Exceptional quality sludge” means sludge that meets the class A requirements for pathogens, as specified in s. NR 204.07 (6) (a), the high quality pollutant concentrations, as specified in s. NR 204.07 (5) (c), and one of the pre-land application processes to reduce vector attraction, as specified in s. NR 204.07 (7) (a) to (i). NR 204.03(20)(20) “Feed crops” means crops produced primarily for consumption for animals. NR 204.03(22)(22) “Floodplain” means the land which has been or may be covered by flood water during the regional flood as specified under s. NR 116.03 (16) and (41). NR 204.03(23)(23) “Food crops” means tobacco and crops grown for human consumption. NR 204.03(24)(24) “Generator” means either the person who generates or prepares sludge during the treatment of domestic sewage in a treatment works or the person who derives a material from sludge or the person who changes the sludge characteristics either through treatment, mixing or any other process. NR 204.03(25)(25) “Geometric mean” means the average of the log values of the colony density and taking the antilog of that value, or by taking the nth root of the products of the n values, i.e., (Y1●Y2●Y3●.....Yn) to the 1/nth power. NR 204.03(26)(26) “Grit” means the heavy solid materials such as sand, gravel and cinders collected from the headwork of a treatment system. NR 204.03(27)(27) “Groundwater” means any of the waters of the state, as defined in ss. 281.01 (18) and 283.01 (20), Stats., occurring in a saturated subsurface geological formation of permeable rock or soil. NR 204.03(28)(28) “High groundwater level” means the higher of either the elevation to which the soil is saturated as observed as a free water surface in an unlined hole or the elevation to which the soil has been seasonally or periodically saturated as indicated by soil color patterns throughout the soil profile. NR 204.03(29)(29) “High quality sludge” means sludge that meets the monthly average pollutant concentration limits which are shown, as Table 3, in s. NR 204.07 (5) (c). NR 204.03(31)(31) “Incorporation” means the mixing of sludge with topsoil to a minimum depth of 4 inches by such means as discing, mold-board plowing, chisel plowing, rototilling or other tillage methods. NR 204.03(32)(32) “Injection” means the subsurface placement of liquid sludge to a depth of 4 to 12 inches. NR 204.03(33)(33) “Land application” means the spraying or spreading of sludge onto the land surface, the injection of sludge below the land surface, or the incorporation of sludge into the soil. Sludge can either condition the soil or fertilize crops or vegetation grown in the soil. NR 204.03(34)(34) “Land with high potential for public exposure” means land that the public uses frequently. This includes sites such as a public contact site, a lawn or home garden, and a reclamation site located in a populated area, e.g., a construction site located in a city. NR 204.03(35)(35) “Land with low potential for public exposure” means land that the public uses infrequently. This includes agricultural land, forest and reclamation sites located in an unpopulated area. NR 204.03(36)(36) “Monthly average” means the arithmetic mean of all measurements taken during the month using analytical methodologies specified in ch. NR 219.