NR 700.03(52m)(52m) “Right–of–way” means the strip of land over which railroad tracks run, or within which a public street or highway has been constructed, regardless of whether the strip of land is owned by the railroad or the entity that maintains the public street or highway; and corridors created by dedication, by the granting of an easement and by the acquisition of fee title.

NR 700.03(53)(53) “Risk assessment” means a site-specific characterization of the current or potential threats that may be posed to public health, safety, or welfare or the environment by contamination migrating to or in groundwater or surface water, discharging to the air, leaching through or remaining in soil, bioaccumulating in the food chain, or other exposure pathways.

NR 700.03(54)(54) “Sediment” means particles in surface waters or wetlands that are derived from the erosion of rock, minerals, soils and biological materials, as well as chemical precipitation from the water column. Sediment particles are transported by, suspended in or deposited by water.

NR 700.03(55)(55) “Sensitive environment” means an area of exceptional environmental value, where a discharge could pose a greater threat than a discharge to other areas, including but not limited to: wetlands; habitat used by state or federally designated endangered or threatened species; national or state fish and wildlife refuges and fish and wildlife management areas; state and federal designated wild and scenic rivers, designated state riverways and state designated scenic urban waterways; riparian areas; rookeries; cold water communities as defined in s. NR 102.04 (3) (b), Lakes Superior and Michigan and the Mississippi river, environmentally sensitive areas and environmental corridors identified in area-wide water quality management plans, special area management plans, special wetland inventory studies, advanced delineation and identification studies and areas designated by the U.S. EPA under section 404 (c) 33 USC 1344 (c); calcareous fens; state forests, parks, trails and recreational areas; state and federal designated wilderness areas; designated or dedicated state natural areas established under ss. 23.27 to 23.29, Stats.; wild rice waters as listed in s. NR 19.09; and any other waters identified as outstanding or exceptional resource waters in ch. NR 102.

NR 700.03(55m)(55m) “Sensitive receptor” means a receptor that is affected by slight differences or changes in environmental conditions.

NR 700.03(56)(56) “Site” means:

NR 700.03 NoteNote: Section 292.01 (21), Stats., defines “waste site” to mean “any site, other than an approved facility, an approved mining facility or a nonapproved facility, where waste is disposed of regardless of when disposal occurred or where a hazardous substance is discharged before May 21, 1978.”

NR 700.03(57)(57) “Site investigation” means an investigation undertaken in conformance with ch. NR 716.

NR 700.03(58)(58) “Soil” means unsaturated organic material, derived from vegetation and unsaturated, loose, incoherent rock material, of any origin, that rests on bedrock other than foundry sand, debris and any industrial waste.

NR 700.03(59)(59) “Solid waste” has the meaning specified in s. 289.01 (33), Stats.

NR 700.03(59m)(59m) “Source property” means the property on which the hazardous substance discharge which is under investigation or cleanup, originally occurred.

NR 700.03(60)(60) “Submittal” means any document, report, plan, set of specifications, engineering design, or scientific evaluation of site data that is prepared to satisfy the requirements of chs. NR 700 to 754.

NR 700.03(60m)(60m) “Sub-slab” means beneath the lowermost building foundation slab.

NR 700.03(61)(61) “Surface water” has the meaning specified in s. NR 103.02 (3).

NR 700.03 NoteNote: “Surface water” means “all natural and artificial, named and unnamed lakes and all naturally flowing streams within the boundaries of the state, but not including cooling lakes, farm ponds and facilities constructed for the treatment of wastewaters.”

NR 700.03(62)(62) “Superfund” means the federal environmental cleanup fund and program created by CERCLA.

NR 700.03(62m)(62m) “Sustainable remedial action” means achieving protection of human health, safety, and the environment, while incorporating and balancing certain practices, processes, and technologies throughout all phases of the remedial action to deliberately generate a net positive impact on the environment, economy, and society.

NR 700.03(63)(63) “Treatment” means any method, technique or process, including thermal destruction, which changes the physical, chemical or biological character or composition of a hazardous substance or environmental pollution so as to render the contamination less hazardous.

NR 700.03(64)(64) “Treatability study” means the testing and documentation activities to evaluate the effectiveness of an interim or remedial action prior to full scale design and implementation. Treatability study includes, but is not limited to, bench scale studies and pilot scale studies.

NR 700.03(64g)(64g) “TSCA” means the toxic substance control act, 15 USC 2601 to 2692.

NR 700.03(64r)(64r) “Unconsolidated material” means soil, sediment or other granular material, such as fill, not including debris.

NR 700.03 NoteNote: Section NR 700.03 (58) defines “soil” as “unsaturated organic material, derived from vegetation and unsaturated, loose, incoherent rock material, of any origin, that rests on bedrock other than foundry sand, debris and any industrial waste.” Section NR 700.03 (54) defines “sediment” as “particles in surface waters or wetlands that are derived from the erosion of rock, minerals, soils and biological materials, as well as chemical precipitation from the water column. Sediment particles are transported by, suspended in or deposited by water.” Section NR 700.03 (10) defines “debris” as “material resulting from the construction, demolition or razing of buildings, roads and other structures and materials that have been discarded at a site or facility.”

NR 700.03(65)(65) “U.S. EPA” or “EPA” means the United States environmental protection agency.

NR 700.03(66)(66) “Underground storage tank” or “UST” means any one or a combination of tanks, including connected pipes, that is used to contain an accumulation of hazardous substances, and the volume of which, including the volume of connected underground pipes, is 10 percent or more beneath the surface of the ground. The term does not include any of the following or pipes connected to any of the following: