Current through Register Vol. 48, No. 39, March 25, 2024
Subpart
1.
Request for samples or data.
Pursuant to Minnesota Statutes, section
116C.724,
subdivision 2, clauses (5) and (6), the permittee shall submit splits or
portions of a core sample to the commissioner of natural resources at the
commissioner's request or to the director of the Minnesota geological survey at
the director's request. If the permittee needs a sample in its entirety, the
commissioner or director may accept certified and uninterpreted data of the
sample in lieu of an actual portion if that data provides all the information
necessary to obtain complete and accurate conclusions. Splits or certified data
shall be presented to the commissioner or director within 30 days after the
request is made and all samples submitted shall become the property of the
state.
Subp. 2.
Required data.
Pursuant to Minnesota Statutes, section
116C.724,
subdivision 3, the permittee or any person conducting geologic, hydrologic, or
geophysical testing or any other studies relating to disposal is required to
provide unrestricted access to all raw and interpreted data to the chair and
director of the Minnesota geological survey or their designated representatives
within 30 days. The raw and interpreted data includes:
A. core samples and splits;
B. distribution of engineering and
geophysical parameters including rippability of rock and surficial materials,
degree of bedrock or surficial weathering including depth of exfoliation
present, resistivity, seismic properties, elastic properties, and coefficients
of thermal expansion and thermal conductivity;
C. stratigraphic sections and geologic cross
sections of the affected areas including structural, mineralogical, and
petrological descriptions at a scale sufficient to delineate relevant
stratigraphic changes, discontinuities, or sections of hydrologic or structural
interest;
D. location, depth,
thickness, and mineral composition of all bedrock aquifers and other
water-bearing formations;
E.
location, depth, thickness, geologic classification, and material
classification of all Quaternary hydrogeologic units encountered;
F. distribution of hydrologic parameters
including vertical and horizontal hydraulic conductivity, sustained yield
ratings, transmissivity, effective porosity, dispersivity, interstitial
velocity, sorption coefficients, ion exchange capacity, and elevation of the
potentiometric surface for all confined units and water level elevation for
unconfined units for the area of potential environmental impact;
G. the groundwater recharge and discharge
areas and a description of the flow system including local, intermediate, and
regional flow;
H. structural
discontinuities and their relationship to groundwater flow, including the
presence of and effects on the flow system due to faults, fractures, joints,
fissures, and microfissures. Related secondary permeability, rock pore pressure
factors, and the extent and type of fracture filling material;
I. groundwater samples with hydrogeochemical
analyses of the area and location, including probable ranges of the chemical
composition for major and trace ions and organics with location and depth and
Eh-pH;
J. postdrilling test
results, including in-situ stresses, in-situ heat, and tracer tests;
K. levels of preexisting radiation from
natural elements and artificial structures;
L. tests for solubility of radionuclides and
radioactive chemicals, including but not limited to Cesium, Strontium,
Carbon-14, Iodine 129, Plutonium, Technetium, Americium, Neptenium, Radon, and
Radium;
M. survey charts, maps,
graphs, photographs, and interpretative and predecisional reports;
and
N. any and all other raw and
interpreted data obtained through the studies related to the disposal of
high-level radioactive waste.