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10295.51 Mining waste site location criteria; feasibility study, and plan
11of operation. (1) Definitions. In this section:
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(a) "Groundwater flow net" means a drawing showing equipotential contour
13lines and the direction that groundwater will flow.
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(c) "Regional" means relating to the area that may affect or be affected by a
15proposed mining waste site, which ordinarily will not exceed the area within a radius
16of 5 miles of the mining waste site.
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(e) "Water budget" means an assessment of water inputs, outputs, and net
18changes to a natural system or engineered facility over a fixed period.
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(f) "Well nest" means 2 or more wells constructed to different depths and
20installed within 10 feet of each other at the ground surface.
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21(1e) Hazardous mining waste. (a) Prior to the informational hearing under s.
22295.57 (5) the department shall designate any mining wastes identified by the
23department as hazardous under s. 291.05 (1).
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(b) The disposal of any mining wastes that are identified by the department as
25hazardous under s. 291.05 (1) in a mining waste site is subject to this subchapter, and
1not to chs. NR 660 to 679, Wis. Adm. Code, except as necessary to comply with
2applicable federal regulations adopted under the federal Resource Conservation and
3Recovery Act,
42 USC 6901 to
6991m.
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4(1m) Location criteria. (a) Except as provided in par. (b), no person may locate
5or operate a mining waste site, excluding the portion of a mining site from which
6ferrous minerals are extracted and that is backfilled with mining waste, within 1,000
7feet of any of the following:
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1. The nearest edge of the right-of-way of any state trunk highway, as defined
9in s. 340.01 (60).
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2. The boundary of any state or national park.
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3. The boundary of a scenic easement purchased by the department or the
12department of transportation.
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4. The boundary of a designated scenic or wild river.
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5. A scenic overlook designated by the department by rule.
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6. A hiking or biking trail designated by the department or the U.S. Congress.
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(b) The prohibition in par. (a) does not apply if, regardless of season, the
17proposed mining waste site is visually inconspicuous due to screening or being
18visually absorbed due to natural objects, compatible natural plantings, earth berm,
19or other appropriate means; or if, regardless of season, the proposed mining waste
20site is screened so as to be as aesthetically pleasing and inconspicuous as is feasible.
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(be) Except as provided in par. (bn), no person may locate or operate a mining
22waste site, excluding the portion of a mining site from which ferrous minerals are
23extracted and that is backfilled with mining waste, within 1,000 feet of a navigable
24water that is a lake, pond, or flowage.
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1(bg) Except as provided in par. (bn), no person may locate or operate a mining
2waste site, excluding the portion of a mining site from which ferrous minerals are
3extracted and that is backfilled with mining waste, within 300 feet of a navigable
4water that is a river or stream.
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(bn) The prohibitions in pars. (be) and (bg) do not apply to an activity that is
6associated with a mining waste site and that is approved by the department under
7s. 295.60, 295.605, or 295.61.
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(bq) No person may locate or operate a mining waste site, excluding the portion
9of a mining site from which ferrous minerals are extracted and that is backfilled with
10mining waste, within a floodplain.
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(bt) No person may locate or operate a mining waste site, excluding the portion
12of a mining site from which ferrous minerals are extracted and that is backfilled with
13mining waste, in an area within the property owned or leased by the mining operator,
14or on which the mining operator holds an easement, and on which the mining site
15is located if the area is closer than 200 feet to the outer boundary of that property.
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(c) No person may locate or operate a mining waste site, excluding the portion
17of a mining site from which ferrous minerals are extracted and that is backfilled with
18mining waste, within 1,200 feet of any public or private water supply well that
19provides water for human consumption.
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(d) No person may locate or operate a mining waste site, excluding the portion
21of a mining site from which ferrous minerals are extracted and that is backfilled with
22mining waste, within an area that contains mineral resources that are known at the
23time the application for the mining permit is issued, are likely to be mined in the
24future, and lie within 1,000 feet of the surface.
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1(1s) Backfilled waste site. For surface mining, the portion of a mining site
2from which ferrous minerals are extracted and that is backfilled with mining waste
3and any buildings, structures, roads, or drainage controls associated with that
4portion of the mining site may be considered a single mining waste site.
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5(2) General. An applicant for a mining permit shall submit as part of the
6application a mining waste site feasibility study and plan of operation that
7demonstrates the suitability of the proposed mining waste site for the disposal of
8mining wastes and that describes the operation of the mining waste site.
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9(3) Waste characterization and analysis. For the purposes of this section, the
10applicant shall perform waste characterization and analysis, to identify the
11quantities, variability, and physical, radiological, and chemical properties of each
12mining waste as necessary to assess the potential environmental impact of handling,
13storage, and disposal. The applicant may include in the waste characterization and
14analysis a review of the literature and results from similar existing facilities,
15materials, or studies. For the purpose of the waste characterization and analysis,
16the applicant shall conduct testing on representative samples of materials available,
17on individual mining wastes from the mining process, and if the applicant proposes
18mixed storage or disposal of individual mining wastes, on composite mining wastes.
19If physical or chemical segregation of a mining waste is proposed, the applicant shall
20test each individual waste resulting from the physical or chemical segregation. The
21applicant shall complete all of the following components of the waste
22characterization and analysis:
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(a) Identification of all mining wastes that will be disposed of or stored in the
24mining waste site, including classification of mining waste types, estimates of the
1rates of generation and volumes of each type, and an explanation of the proposed
2ultimate disposition of each type.
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(b) Chemical, radiological, physical, and mineralogical analyses of each type
4of mining waste.
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(c) Analyses of the particle size of the mining wastes.
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(d) Chemical and physical characteristics testing, including testing to
7determine the leaching potential of the mining wastes and the composition of the
8resulting leachate, using, at a minimum, the method in federal environmental
9protection agency publication EPA 600/2-78-054, except that this testing is not
10required if the applicant demonstrates, based on the analyses in pars. (b) and (c) or
11on past experience, that there is not a probability for significant adverse
12environmental impact or a probability of an adverse impact on public health, safety,
13or welfare.
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14(4) Site specific information. In addition to performing the mining waste
15characterization and analysis under sub. (3), for the purposes of the mining waste
16site feasibility study and plan of operation, an applicant shall conduct field and
17laboratory investigations to determine physical, chemical, and biological
18characteristics of the proposed mining waste site. The applicant shall do all of the
19following:
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(a) Perform field investigations to determine the specific topography, soil types,
21and depth to bedrock and groundwater.
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(b) Perform at least one soil boring, to bedrock or refusal, every 80 acres,
23characterizing the major geomorphic features such as ridges and lowlands and
24characterizing each major soil layer according to the unified soil classification
25system.
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1(c) Prepare a boring log for each soil boring, including soil and rock descriptions,
2method of drilling, method of sampling, sample depths, date of boring, and water
3level measurements and dates, with elevations referring to United States geological
4survey mean sea level datum.
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(d) Collect soil samples to adequately determine the geology and ensure the
6proper design and monitoring of the mining waste site, including doing all of the
7following:
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1. Collecting the soil samples at not greater than 5 foot depth intervals, unless
9physical conditions such as soil homogeneity indicate that greater intervals are
10adequate.
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2. Collecting the soil samples using generally accepted techniques for sampling
12undisturbed soils, where that is appropriate.
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3. Classifying all soil samples according to the unified soil classification
14system.
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(e) Perform soil tests as necessary for classification and correlation purposes
16and to develop necessary geotechnical design parameters for the mining waste site,
17without compositing soil samples.
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(f) Determine the hydraulic conductivity of the various soil strata, using in situ
19hydraulic conductivity testing procedures as appropriate to confirm values
20determined in the laboratory.
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(g) Determine horizontal and vertical groundwater flow patterns in and around
22the proposed mining waste site based on data obtained from groundwater
23monitoring wells and piezometers constructed in conformity with ch. NR 141, Wis.
24Adm. Code.
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1(h) Conduct a program to establish baseline water quality through monitoring
2groundwater and surface water in the vicinity of the mine and the proposed mining
3waste site on a monthly basis and establishing physical-chemical and biological
4characteristics of the concentrations of substances in the water before mining begins
5at the mining site. The applicant shall do all of the following:
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1. Select physical-chemical parameters based on transport and
7transformation mechanisms in the environment as well as other factors affecting the
8mobility and toxicity of pollutants.
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2. Select biological parameters based on the environmental characterizations
10under sub. (5) (g), the degree of impact predicted, and the potentially affected
11organism's sensitivity to contaminants.
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3. Establish a final parameter list for groundwater and surface water based on
13preliminary sampling and known information concerning the waters in the vicinity
14of the mine and the mining waste site, consideration of applicable water quality
15standards, and the geology and composition of the ferrous mineral deposit that will
16be mined. At a minimum, in the program under this paragraph the applicant shall
17collect water quality data for all of the following parameters:
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a. Specific conductance.
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b. Temperature.
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c. Hydrogen ion concentration (pH).
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d. Dissolved oxygen.
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e. The major anions sulfate, chloride, and bicarbonate.
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f. The major cations calcium, magnesium, potassium, and sodium.
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g. Other total and dissolved metals, including aluminum, iron, and manganese,
25that may be introduced by the mining activities.
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1h. General chemistry, including total alkalinity, total organic carbon, gross
2alpha, gross beta, ammonia, nitrate, total dissolved solids, total hardness, and total
3suspended solids.
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4(5) Contents related to waste site feasibility. An applicant shall include all
5of the following in the mining waste site feasibility study and plan of operation:
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(a) A description of the mining waste site location, proposed acreage, proposed
7mining waste site life and range of disposal capacity, and estimated types and
8quantities of mining wastes to be contained.
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(b) A description of the mining waste characterization and analysis conducted
10under sub. (3), including a description of the test methods used in evaluating the
11characteristics of the mining waste and the procedures and records for documenting
12the chain of custody of the test samples.
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(c) An existing site conditions plan sheet consisting of a topographic survey of
14the area, with elevations tied to United States geological survey mean sea level
15datum, illustrating the property boundaries, proposed boundaries of the mining
16waste site, survey grid and north arrow, buildings, water supply wells, utility lines,
17other man-made features, soil boring locations, observation well locations, and other
18pertinent information.
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(d) A series of geologic cross-sections illustrating existing topography; soil
20borings; soil classification; soil properties; interpreted soil stratigraphy; bedrock;
21well and boring locations and constructions; and stabilized water level readings.
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(e) A water table map, using the existing site conditions plan under par. (c) as
23a base, that is based on stabilized water level readings and, if seasonal changes in
24groundwater levels are significant, maps those changes.
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1(f) If more than 2 well nests are constructed, groundwater flow nets to illustrate
2horizontal and vertical flow, which may be illustrated on the geologic cross-sections
3under par. (d), if appropriate.
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(g) An environmental characterization that describes the structure and
5functional relationships of ecosystems potentially affected by the proposed mining
6waste site.
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(h) A report on the water quality data collected under the baseline monitoring
8program under sub. (4) (h) to establish baseline water quality.
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(i) A land use map, using the existing site conditions plan under par. (c) as a
10base, showing plant communities, wildlife habitat, places where rare and
11endangered species have been sighted, archaeological or historic sites, buildings,
12and areas of social importance.
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(j) A table showing existing water quality of all potentially affected surface
14waters, indicating important aquatic habitat.
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(k) Local climatological data for seasonal precipitation, evaporation, air
16temperature, and wind velocity and direction. The applicant may use an annual
17record on the proposed mining waste site or adequate data to correlate the proposed
18mining waste site conditions to an existing observation station as the basis for this
19data.
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(L) A discussion of regional conditions, supplemented with maps or
21cross-sections where appropriate, addressing all of the following:
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1. Topography.
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2. Hydrology, including surface water drainage patterns and important
24hydrologic features such as navigable waters, springs, drainage divides, and
25wetlands.
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13. Geology, including the nature and distribution of bedrock and
2unconsolidated deposits.
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4. Hydrogeology, including depth of groundwater, flow directions, recharge and
4discharge areas, groundwater divides, aquifers, and the identification of the aquifers
5used by all public and private wells within at least 1,200 feet of the proposed mining
6waste site.
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5. Groundwater and surface water quality and precipitation chemistry.
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6. Climatology.
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7. Identification of owners of land adjacent to the proposed mining waste site.
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9. Existing land uses with particular emphasis on known recreational, historic,
12archaeological, scientific, cultural, or scenic significance.
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10. Existing or proposed access roads and weight restrictions on those roads.
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11. Identification of aquatic and terrestrial ecosystems such as stream orders
15and classifications.
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(m) A discussion of alternative methods of disposing of mining waste materials,
17including an analysis of the practicability of the reuse, sale, recovery, or processing
18of the mining wastes for other purposes.
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(n) An analysis of the results of the mining waste characterizations under sub.
20(3), the site specific information under sub. (4) and this subsection, and the regional
21information under par. (L) in relation to the approach for locating the mining waste
22site and developing appropriate design, construction, operation, monitoring, and
23long-term care requirements for each type of mining waste.
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1(o) A proposed mining waste site design, based on conclusions resulting from
2analysis of the mining waste characterizations under sub. (3) and the site data under
3sub. (4), that includes all of the following:
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1. A map, using the existing site conditions plan under par. (c) as a base, that
5shows proposed access, lateral extent of filling, and phases of mining waste site
6development.
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2. A series of cross-sections, using the geologic cross-sections under par. (d) as
8the base, that show existing topography, proposed base grades, and final grades.
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3. Preliminary earthwork balance calculations, showing amounts of materials
10expected to be moved on the mining waste site prior to the disposal of mining waste.
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4. Proposed methods for leachate control.
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5. Proposed methods of mining waste site development, phasing, access control,
13and other special design features.
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6. Expected material balances showing the quantities of each type of mining
15waste identified in par. (a) showing the amounts generated, disposed of on site, and
16taken off site, including all of the following:
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a. The projected conditions existing at the end of a typical year of production.
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b. The projected conditions existing at the end of operations.
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c. The projected conditions existing at the end of reclamation.
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7. A discussion of the reasoning behind the design of the major features of the
21mining waste site, such as traffic routing, base grade and relationships to subsurface
22conditions, anticipated waste types and characteristics, phases of development,
23mining waste site monitoring, and similar design features.