reglab/statecodes huggingface dataset:
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 3 - Permit Provisions and Applications › Part 3 - REQUIRED MAPS AND DRAWINGS › Section 252:517-3-41 - Potentiometric surface map

Current through Vol. 41, No. 20, July 1, 2024
(a)
Required map.
The permit application shall include an actual
				  groundwater potentiometric surface map developed from the information obtained
				  during the groundwater study required in Part 5 of OAC 252:517-7.
(b)
Required details.
The
				  potentiometric surface map shall depict:
(1)
				  groundwater elevation contours at two foot intervals as measured in a single
				  time event reflecting the highest average water level elevation across the site
				  during the 12-month monitoring period; and
(2) the locations of all proposed monitoring
				  wells, boreholes, and piezometers, and surface elevations of each.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 3 - Permit Provisions and Applications › Part 3 - REQUIRED MAPS AND DRAWINGS › Section 252:517-3-42 - Site-specific cross sections

Current through Vol. 41, No. 20, July 1, 2024
(a)
Required map.
The permit application shall include two
				  site-specific cross sections constructed from subsurface borehole logs and
				  other site-specific information, such as water well logs, oil and gas well
				  logs, outcrops at or near the site, and geophysical surveys.
(b)
Orientation.
The first cross
				  section shall be oriented parallel to the dip of the underlying strata and the
				  second oriented perpendicular to the dip of the strata. If this is not
				  possible, the cross- sections shall be oriented at 90 degrees from each
				  other.
(c)
Required
				  details.
Each cross section shall include:
(1) the borehole logs and other sources of
				  information displayed relative to mean sea level on the cross
				  section;
(2) the depth, thickness
				  and areal extent of each stratigraphic unit;
(3) lithology of significant formations or
				  strata, and unconsolidated sediment type;
(4) structural features (faults and
				  folds);
(5) stratigraphic contact
				  between formations or strata, and unconsolidated sediments;
(6) zones of hydraulic conductivity greater
				  than 1 x 10 
				  -3 cm/sec;
(7) fracture zones;
(8) potentiometric surfaces of all confined
				  and unconfined saturated zones;
(9)
				  location, depth and producing zone of water wells that could be used in the
				  construction of the cross section;
(10) the surface upon which the waste will be
				  placed;
(11) soils or strata
				  encountered by the boreholes suitable for use as liner material;
(12) intervals and results of both in-situ
				  and laboratory hydraulic conductivity tests;
(13) surface water drainage features, such
				  as: dikes, levees, or trenches;
(14) the existing ground surface and final
				  cover;
(15) monitor wells or
				  piezometers; and
(16) a legend that
				  includes vertical and horizontal scales and a map showing the location of the
				  boreholes and other information used to construct the cross section.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 3 - Permit Provisions and Applications › Part 3 - REQUIRED MAPS AND DRAWINGS › Section 252:517-3-43 - Fill cross section map

Current through Vol. 41, No. 20, July 1, 2024
(a)
Required map.
The permit application shall include a fill cross
				  section map.
(b)
Required
				  details.
A grid system shall be established and typical cross sections
				  plotted along the principal axis and along the minor axis.
(1) A cross section locator map shall show
				  the grid system superimposed over the site plan with each cross-section
				  labeled. This drawing may be at any convenient scale and labeled
				  accordingly.
(2) Cross section
				  drawings shall depict the elevation(s) of the top of any dikes or levees, the
				  final cover, wastes, ground surface, the top of liner, the bottom of
				  excavations, the side slopes of trenches and fill areas, groundwater monitor
				  wells, gas wells or vents, and recorded initial and static water
				  levels.
(3) The scale shall be
				  1:600 (1 inch = 50 feet) horizontal and 1:60 (1 inch = 5 feet)
				  vertical.
(4) Soil borings may also
				  be shown on the profile.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 3 - Permit Provisions and Applications › Part 3 - REQUIRED MAPS AND DRAWINGS › Section 252:517-3-44 - Excavation contour map

Current through Vol. 41, No. 20, July 1, 2024
The permit application shall include an excavation contour
					 map showing:
(1) contours, at two foot
				  intervals, of the bottom of the proposed excavation;
(2) the anticipated progression of the
				  construction; and
(3) the locations
				  and final depth of the boreholes.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 3 - Permit Provisions and Applications › Part 3 - REQUIRED MAPS AND DRAWINGS › Section 252:517-3-45 - Top of liner contour map

Current through Vol. 41, No. 20, July 1, 2024
(a)
Required map.
The permit application shall include a top of liner
				  contour map showing:
(1) contours, at two
				  foot intervals, of the top of the liner; and
(2) the locations of the proposed monitor
				  wells.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 3 - Permit Provisions and Applications › Part 3 - REQUIRED MAPS AND DRAWINGS › Section 252:517-3-46 - Completion map

Current through Vol. 41, No. 20, July 1, 2024
(a)
Required
				  map.
The permit application shall include a completion map showing how
				  the new CCR unit or lateral expansion of a CCR unit is expected to look when it
				  is completed, including final contours.
(b)
Required details.
The
				  completion map shall include the permit boundary, disposal boundary, buffer
				  zone, groundwater monitoring well locations, the leachate removal locations,
				  permanent surface drainage structures and aesthetic enhancements.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 5 - Location Restrictions › Section 252:517-5-1 - Placement above the uppermost aquifer

Current through Vol. 41, No. 20, July 1, 2024
(a)
Applicability.
New CCR
				landfills, existing and new CCR surface impoundments, and all lateral
				expansions of CCR units must be constructed with a base that is located no less
				than 1.52 meters (five feet) above the upper limit of the uppermost aquifer, or
				must demonstrate that there will not be an intermittent, recurring, or
				sustained hydraulic connection between any portion of the base of the CCR unit
				and the uppermost aquifer due to normal fluctuations in groundwater elevations
				(including the seasonal high water table). The owner or operator must
				demonstrate by the dates specified in paragraph (c) of this Section that the
				CCR unit meets the minimum requirements for placement above the uppermost
				aquifer.
(b)
PE
				certification.
The owner or operator of the CCR unit must obtain a
				certification from a qualified professional engineer stating that the
				demonstration meets the requirements of paragraph (a) of this
				Section.
(c)
Compliance
				dates; DEQ approval required.
The owner or operator of the CCR unit must
				complete the demonstration required by paragraph (a) of this Section by the
				date specified in either paragraph (c)(1) or (2) of this Section.
(1) For an existing CCR surface impoundment,
				the owner or operator must complete the demonstration no later than October 17,
				2018.
(2) For a new CCR landfill,
				new CCR surface impoundment, or any lateral expansion of a CCR unit, the owner
				or operator must complete the demonstration no later than the date of initial
				receipt of CCR in the CCR unit.
(3)
				The owner or operator has completed the demonstration required by paragraph (a)
				of this Section when the demonstration is approved by the DEQ and placed in the
				facility's operating record as required by OAC
				252:517-19-1(e).
(4) An owner or operator of an existing CCR
				surface impoundment who fails to demonstrate compliance with the requirements
				of paragraph (a) of this Section by the date specified in paragraph (c)(1) of
				this Section is subject to the requirements of OAC
				252:517-15-6(b)(1).
(5) An owner or operator of a new CCR
				landfill, new CCR surface impoundment, or any lateral expansion of a CCR unit
				who fails to make the demonstration showing compliance with the requirements of
				paragraph (a) of this Section is prohibited from placing CCR in the CCR
				unit.
(6) The owner or operator
				must submit the demonstrations to DEQ for approval.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 5 - Location Restrictions › Section 252:517-5-2 - Wetlands

Current through Vol. 41, No. 20, July 1, 2024
(a)
Applicability.
New CCR
				landfills, existing and new CCR surface impoundments, and all lateral
				expansions of CCR units must not be located in wetlands, as defined in this
				Chapter, unless the owner or operator demonstrates by the dates specified in
				paragraph (c) of this Section that the CCR unit meets the requirements of
				paragraphs (a)(1) through (5) of this Section.
(1) Where applicable under Section 404 of the
				Clean Water Act or applicable state wetlands laws, a clear and objective
				rebuttal of the presumption that an alternative to the CCR unit is reasonably
				available that does not involve wetlands.
(2) The construction and operation of the CCR
				unit will not cause or contribute to any of the following:
(A) A violation of any applicable state or
				federal water quality standard;
(B)
				A violation of any applicable toxic effluent standard or prohibition under
				Section 307 of the Clean Water Act; and
(C) Jeopardize the continued existence of
				endangered or threatened species or result in the destruction or adverse
				modification of a critical habitat, protected under the Endangered Species Act
				of 1973;
(3) The CCR
				unit will not cause or contribute to significant degradation of wetlands by
				addressing all of the following factors:
(A)
				Erosion, stability, and migration potential of native wetland soils, muds and
				deposits used to support the CCR unit;
(B) Erosion, stability, and migration
				potential of dredged and fill materials used to support the CCR unit;
(C) The volume and chemical nature of the
				CCR;
(D) Impacts on fish, wildlife,
				and other aquatic resources and their habitat from release of CCR;
(E) The potential effects of catastrophic
				release of CCR to the wetland and the resulting impacts on the environment;
				and
(F) Any additional factors, as
				necessary, to demonstrate that ecological resources in the wetland are
				sufficiently protected.
(4) To the extent required under Section 404
				of the Clean Water Act or applicable state wetlands laws, steps have been taken
				to attempt to achieve no net loss of wetlands (as defined by acreage and
				function) by first avoiding impacts to wetlands to the maximum extent
				reasonable as required by paragraphs (a)(1) through (3) of this Section, then
				minimizing unavoidable impacts to the maximum extent reasonable, and finally
				offsetting remaining unavoidable wetland impacts through all appropriate and
				reasonable compensatory mitigation actions (e.g., restoration of existing
				degraded wetlands or creation of man-made wetlands); and
(5) Sufficient information is available to
				make a reasoned determination with respect to the demonstrations in paragraphs
				(a)(1) through (4) of this Section.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 5 - Location Restrictions › Section 252:517-5-3 - Fault areas

Current through Vol. 41, No. 20, July 1, 2024
(a)
Applicability.
New CCR landfills, existing and new CCR surface
				impoundments, and all lateral expansions of CCR units must not be located
				within 60 meters (200 feet) of the outermost damage zone of a fault that has
				had displacement in Holocene time unless the owner or operator demonstrates by
				the dates specified in paragraph (c) of this Section that an alternative
				setback distance of less than 60 meters (200 feet) will prevent damage to the
				structural integrity of the CCR unit.
(b)
PE certification.
The owner
				or operator of the CCR unit must obtain a certification from a qualified
				professional engineer stating that the demonstration meets the requirements of
				paragraph (a) of this Section.
(c)
Compliance dates; DEQ approval required.
The owner or operator of
				the CCR unit must complete the demonstration required by paragraph (a) of this
				Section by the date specified in either paragraph (c)(1) or (2) of this
				Section.
(1) For an existing CCR surface
				impoundment, the owner or operator must complete the demonstration no later
				than October 17, 2018.
(2) For a
				new CCR landfill, new CCR surface impoundment, or any lateral expansion of a
				CCR unit, the owner or operator must complete the demonstration no later than
				the date of initial receipt of CCR in the CCR unit.
(3) The owner or operator has completed the
				demonstration required by paragraph (a) of this Section when the demonstration
				is approved by the DEQ and placed in the facility's operating record as
				required by OAC
				252:517-19-1(e).
(4) An owner or operator of an existing CCR
				surface impoundment who fails to demonstrate compliance with the requirements
				of paragraph (a) of this Section by the date specified in paragraph (c)(1) of
				this Section is subject to the requirements of OAC
				252:517-15-6(b)(1).
(5) An owner or operator of a new CCR
				landfill, new CCR surface impoundment, or any lateral expansion of a CCR unit
				who fails to make the demonstration showing compliance with the requirements of
				paragraph (a) of this Section is prohibited from placing CCR in the CCR
				unit.
(6) The owner or operator
				must submit the demonstrations to DEQ for approval.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 5 - Location Restrictions › Section 252:517-5-4 - Seismic impact zones

Current through Vol. 41, No. 20, July 1, 2024
(a)
Applicability.
New CCR landfills, existing and new CCR surface
				impoundments, and all lateral expansions of CCR units must not be located in
				seismic impact zones unless the owner or operator demonstrates by the dates
				specified in paragraph (c) of this Section that all structural components
				including liners, leachate collection and removal systems, and surface water
				control systems, are designed to resist the maximum horizontal acceleration in
				lithified earth material for the site.
(b)
PE certification.
The owner
				or operator of the CCR unit must obtain a certification from a qualified
				professional engineer stating that the demonstration meets the requirements of
				paragraph (a) of this Section.
(c)
Compliance dates; DEQ approval required.
The owner or operator of
				the CCR unit must complete the demonstration required by paragraph (a) of this
				Section by the date specified in either paragraph (c)(1) or (2) of this
				Section.
(1) For an existing CCR surface
				impoundment, the owner or operator must complete the demonstration no later
				than October 17, 2018.
(2) For a
				new CCR landfill, new CCR surface impoundment, or any lateral expansion of a
				CCR unit, the owner or operator must complete the demonstration no later than
				the date of initial receipt of CCR in the CCR unit.
(3) The owner or operator has completed the
				demonstration required by paragraph (a) of this Section when the demonstration
				is approved by the DEQ and placed in the facility's operating record as
				required by OAC
				252:517-19-1(e).
(4) An owner or operator of an existing CCR
				surface impoundment who fails to demonstrate compliance with the requirements
				of paragraph (a) of this Section by the date specified in paragraph (c)(1) of
				this Section is subject to the requirements of OAC
				252:517-15-6(b)(1).
(5) An owner or operator of a new CCR
				landfill, new CCR surface impoundment, or any lateral expansion of a CCR unit
				who fails to make the demonstration showing compliance with the requirements of
				paragraph (a) of this Section is prohibited from placing CCR in the CCR
				unit.
(6) The owner or operator
				must submit the demonstrations to DEQ for approval.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 5 - Location Restrictions › Section 252:517-5-5 - Unstable areas

Current through Vol. 41, No. 20, July 1, 2024
(a)
Applicability.
An existing or new CCR landfill, existing or new
				CCR surface impoundment, or any lateral expansion of a CCR unit must not be
				located in an unstable area unless the owner or operator demonstrates by the
				dates specified in paragraph (d) of this Section that recognized and generally
				accepted good engineering practices have been incorporated into the design of
				the CCR unit to ensure that the integrity of the structural components of the
				CCR unit will not be disrupted.
(b)
Considerations.
The owner or operator must consider all of the
				following factors, at a minimum, when determining whether an area is unstable:
(1) On-site or local soil conditions that may
				result in significant differential settling;
(2) On-site or local geologic or
				geomorphologic features; and
(3)
				On-site or local human-made features or events (both surface and
				subsurface).
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 5 - Location Restrictions › Section 252:517-5-6 - Scenic rivers

Current through Vol. 41, No. 20, July 1, 2024
(a)
Prohibition.
Except as provided in (b) of this Section, no area
				within the permit boundary of a new CCR unit, or expansion of the permit
				boundary of an existing CCR unit, shall be located within the drainage basin of
				any river designated under the Oklahoma Scenic Rivers Commission Act.
(b)
Exception.
This restriction
				may be waived if the Scenic Rivers Commission that manages the affected river,
				or in the absence of such commission, the Oklahoma Tourism and Recreation
				Department, provides a statement that the proposed facility is not expected to
				adversely affect the river or any of the public purposes for which it was
				designated. Such statement shall be provided to the DEQ.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 5 - Location Restrictions › Section 252:517-5-7 - Recreation/preservation areas

Current through Vol. 41, No. 20, July 1, 2024
(a)
Prohibition.
Except as provided in (b) of this Section, no area
				within the permit boundary of a new CCR unit, or expansion of the permit
				boundary of an existing CCR unit, shall be located within one-half mile of any
				area formally dedicated and managed for public recreation or natural
				preservation by a federal, state, or local government agency.
(b)
Exception.
This restriction
				may be waived if the appropriate management agency provides a statement that
				the proposed facility is not expected to adversely affect the existing
				recreation or natural preservation area. Such statement shall be submitted to
				the DEQ.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 5 - Location Restrictions › Section 252:517-5-8 - Endangered or threatened species

Current through Vol. 41, No. 20, July 1, 2024
For a new CCR unit, or expansion of the permit boundary of an
				  existing CCR unit, a statement from the Oklahoma Department of Wildlife
				  Conservation (ODWC) and from the Oklahoma Biological Survey (OBS), shall be
				  submitted regarding current information about endangered or threatened wildlife
				  or plant species listed in state and federal laws, that exist within one mile
				  of the permit boundary or expansion area.
(1)
Address potential impacts.
If threatened or endangered species exist within, or periodically utilize any
				area within, or within one mile of, the permit boundary or expansion area, the
				projected impacts on the identified species shall be addressed, and measures
				specified to avoid or mitigate the impacts.
(2)
Mitigation plan required.
When impacts are unavoidable, a mitigation plan that has been approved by ODWC
				for wildlife or OBS for plants, shall be submitted to the DEQ.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 5 - Location Restrictions › Section 252:517-5-9 - 100-year floodplain

Current through Vol. 41, No. 20, July 1, 2024
No waste management or disposal areas of a CCR unit shall be
				  located within the 100-year floodplain, except as provided for by (a) and (b)
				  of this Section.
(1)
CCR units
				permitted before April 9, 1994.
For areas of CCR units that received
				waste before April 9, 1994 and are located in the 100-year floodplain, the
				owner/operator must maintain in the operating record a demonstration that the
				waste disposal area will not:
(A) restrict
				the flow of the 100-year flood;
(B)
				reduce the temporary water storage capacity of the floodplain; or
(C) result in the disturbance and/or carrying
				away of CCR by water so as to pose a hazard to human health or the
				environment.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 5 - Location Restrictions › Section 252:517-5-10 - Public water supply

Current through Vol. 41, No. 20, July 1, 2024
No new CCR unit or lateral expansion of a CCR unit shall be
				  located within:
(1) one mile
				upgradient of an existing public water supply surface water intake, or one that
				is permitted for construction when a complete application has been filed with
				the DEQ; or
(2) a one year time of
				travel of a public water supply well. A wellhead delineation shall be performed
				and submitted to the DEQ if one has not already been performed.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 5 - Location Restrictions › Section 252:517-5-11 - Wellhead protection area

Current through Vol. 41, No. 20, July 1, 2024
If any new CCR unit or lateral expansion of a CCR unit will
				  be located within two miles of a public water supply well, a wellhead
				  protection area shall be identified, as specified by the State Wellhead
				  Protection Plan, and such information submitted to the DEQ.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 7 - Subsurface Investigation › Part 1 - GENERAL PROVISIONS › Section 252:517-7-1 - Applicability

Current through Vol. 41, No. 20, July 1, 2024
(a)
CCR unit.
A subsurface
				  investigation meeting the requirements of this Subchapter shall be completed
				  prior to submitting a permit application for:
(1) a new CCR unit; or
(2) a lateral expansion of an existing CCR
				  unit.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 7 - Subsurface Investigation › Part 1 - GENERAL PROVISIONS › Section 252:517-7-2 - General

Current through Vol. 41, No. 20, July 1, 2024
(a)
Purpose and design.
The
				  subsurface investigation shall:
(1) be
				  performed to determine the location of the uppermost aquifer; and
(2) be designed to protect all saturated
				  zones encountered while drilling.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 7 - Subsurface Investigation › Part 1 - GENERAL PROVISIONS › Section 252:517-7-3 - Compliance with OWRB rules

Current through Vol. 41, No. 20, July 1, 2024
All monitoring wells, borings, and/or piezometers shall be
					 constructed and/or plugged in accordance with the applicable requirements of
					 the OWRB at OAC 785:35.
(1)
Flush mounting prohibited.
Flush-mounting of monitoring wells and
				  piezometers is prohibited.
(2)
Multi-zone completions prohibited.
Multi-zone completions of
				  monitoring wells and piezometers are prohibited.
(3)
Notch.
The well casing of
				  monitoring wells shall be notched to mark the point of measurement for
				  groundwater elevation.
(4)
Latitude, longitude, surface elevation.
Latitude, longitude, and
				  surface elevation, measured by a licensed surveyor, shall be permanently marked
				  on the protective casing of each monitoring well.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 7 - Subsurface Investigation › Part 1 - GENERAL PROVISIONS › Section 252:517-7-4 - Drilling plan

Current through Vol. 41, No. 20, July 1, 2024
(a)
Drilling
				  plan required.
Prior to initiating the subsurface investigation, a
				  drilling plan meeting the requirements of this Section shall be submitted to
				  the DEQ for approval.
(1)
Drilling plan
				  revisions.
New hydrogeologic information collected as the investigation
				  proceeds shall be used to revise the drilling plan and CCR unit design as
				  necessary.
(2)
DEQ approval
				  required.
Drilling shall not begin until the drilling plan has been
				  approved in writing by the DEQ.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 7 - Subsurface Investigation › Part 1 - GENERAL PROVISIONS › Section 252:517-7-5 - Drilling

Current through Vol. 41, No. 20, July 1, 2024
(a)
Notice of intent to drill.
After DEQ approval of the drilling plan, the DEQ shall be provided with written
				  notice of intent to drill at least two (2) weeks prior to initiating
				  drilling.
(b)
Drilling.
Provided proper notification is given to the DEQ,
				  drilling may proceed in accordance with the approved plan even if a
				  representative of the DEQ is not present as scheduled.
(c)
Qualified groundwater
				  scientist.
A qualified groundwater scientist shall supervise all
				  drilling operations.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 7 - Subsurface Investigation › Part 3 - DATA COLLECTION › Section 252:517-7-31 - Data collection

Current through Vol. 41, No. 20, July 1, 2024
The information described in this Part shall be collected
					 during the subsurface investigation and submitted as part of the permit
					 application.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 7 - Subsurface Investigation › Part 3 - DATA COLLECTION › Section 252:517-7-32 - Borehole logs

Current through Vol. 41, No. 20, July 1, 2024
(a) Information
				  shall be collected to prepare a lithologic sample log of each borehole drilled
				  and a geophysical log of each borehole to be converted to a
				  piezometer.
(b) All pertinent
				  information, such as the depth at which water was encountered, shall be
				  included on the log.
(c) Depth of
				  water in boreholes shall be measured at the time of drilling and again 24 hours
				  later.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 7 - Subsurface Investigation › Part 3 - DATA COLLECTION › Section 252:517-7-33 - Lithologic sample logs

Current through Vol. 41, No. 20, July 1, 2024
Lithologic sample logs shall be made for each borehole for
					 its entire depth. Each log shall include the following information:
(1) geotechnical information about drilling,
				  such as penetration rates, hydraulic conductivity test intervals and results,
				  and drill bit changes;
(2)
				  identification of all soil and rock layers encountered during drilling
				  describing:
(A) color, texture, thickness,
				  degree of compaction or consolidation and amount of moisture present in each
				  layer;
(B) soil classifications
				  based on the Unified Soil Classification System along with the geological
				  classification; and
(C) rock
				  classifications as defined in the American Geological Institute Dictionary of
				  Geological Terms; and
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 7 - Subsurface Investigation › Part 3 - DATA COLLECTION › Section 252:517-7-34 - Geophysical logs

Current through Vol. 41, No. 20, July 1, 2024
(a)
Minimum
				  number.
For CCR units of 20 acres or less, at least three boreholes
				  shall be logged by geophysical tools, one of which must be run on the deepest
				  drilled borehole.
(b)
Additional logs.
(1) For each
				  additional 20 acres of a CCR unit, one additional borehole shall be logged by
				  geophysical tools.
(2) In
				  geologically complex areas, the DEQ may require additional boreholes.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 7 - Subsurface Investigation › Part 3 - DATA COLLECTION › Section 252:517-7-35 - Soil and rock sampling

Current through Vol. 41, No. 20, July 1, 2024
(a)
Sample collection.
For each borehole drilled, soil and rock
				  samples shall be collected at five-foot intervals, and at soil or rock changes,
				  from the surface to the total depth drilled.
(b)
Sample storage.
Samples
				  shall be stored until final action on the permit application is taken by the
				  DEQ.
(c)
Sampling
				  methods.
Drilling techniques and the types of samples to be collected
				  shall determine the method of sampling.
(1)
Split-barrel.
Split-barrel samples shall be taken according to the
				  specifications of ASTM D1586.
(2)
Core barrel.
Consolidated rock samples shall be taken by core
				  barrel according to the specifications of ASTM D2113.
(3)
Thin-walled tube.
When soil
				  samples of silts and clays are required for physical tests, thin-walled tube
				  samples shall be taken according to the specifications of ASTM D1587.
(4)
Other methods.
Other
				  sampling methods may be approved in advance by the DEQ on a case-by-case
				  basis.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 7 - Subsurface Investigation › Part 3 - DATA COLLECTION › Section 252:517-7-36 - Soil tests

Current through Vol. 41, No. 20, July 1, 2024
Soils proposed to be used as liner or intermediate or final
					 cover material shall be tested as follows:
(1)
Sample collection.
At least
				  one sample shall be collected for each type of material proposed for use as
				  liner or intermediate or final cover material.
(2)
Laboratory requirement.
The
				  soil samples shall be tested by a soils laboratory under the direction of a
				  licensed professional engineer.
(3)
Required tests.
The following tests shall be conducted on each
				  type of soil sampled:
(A) soil classification
				  according to the specifications of ASTM D2487;
(B) particle-size analysis of soil according
				  to the specifications of ASTM D422;
(C) sieve analysis for the following screen
				  sizes: #4, #10, #40, #200;
(D)
				  percent fines (#200 sieve) according to the specifications of ASTM
				  D1140;
(E) Atterberg limits
				  according to the specifications of ASTM D4318;
(F) moisture content according to the
				  specifications of either the oven drying method of ASTM D2216 or the microwave
				  drying method of ASTM D4643;
(G)
				  moisture-density relationship according to the specifications of the standard
				  proctor test of ASTM D698 or the modified proctor test of ASTM D1557;
				  and
(H) hydraulic conductivity
				  according to the specifications of ASTM D5084 or any other method approved by
				  the DEQ.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 7 - Subsurface Investigation › Part 3 - DATA COLLECTION › Section 252:517-7-37 - Soils report

Current through Vol. 41, No. 20, July 1, 2024
A laboratory report of the characteristics of soil and rock
					 material proposed for liner or intermediate or final cover material shall be
					 submitted.
(1)
PE
				  certification.
The report shall be stamped or sealed by the licensed
				  professional engineer directing the soils laboratory; and
(2)
Report requirements.
The
				  report shall include all test results, the type of test used, the method of
				  testing and the condition, preparation, and orientation of each
				  sample.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 7 - Subsurface Investigation › Part 3 - DATA COLLECTION › Section 252:517-7-38 - Regional hydrogeologic study

Current through Vol. 41, No. 20, July 1, 2024
Information on the geology and hydrogeology of the proposed
					 site or expansion area shall be collected. Such information shall, at a
					 minimum, include:
(1) the formation
				  underlying the deepest formation penetrated by the boreholes and/or monitor
				  wells;
(2) all formations exposed
				  in the outcrop on or within 1/4 mile of the proposed permitted
				  boundary;
(3) a geologic column and
				  structural information of all rock formations occurring from surface to a depth
				  of 500 feet;
(4) a regional surface
				  geological map;
(5) illustrations
				  of the regional stratigraphic column and geologic or hydrogeologic cross-
				  sections;
(6) a description of
				  regional groundwater quality; and
(7) references indicating the sources of
				  information.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 7 - Subsurface Investigation › Part 5 - GROUNDWATER STUDY › Section 252:517-7-51 - General

Current through Vol. 41, No. 20, July 1, 2024
(a)
Groundwater study required.
A groundwater study completed in accordance with this Part shall be performed
				  as part of the subsurface investigation required by this Subchapter, and the
				  results included with the permit application.
(b)
As-built drawings required.
As-built drawings, surveyed locations, and casing elevations of each piezometer
				  installed shall be included with the permit application.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 7 - Subsurface Investigation › Part 5 - GROUNDWATER STUDY › Section 252:517-7-52 - Piezometers required

Current through Vol. 41, No. 20, July 1, 2024
Boreholes and screens shall be installed in the uppermost
					 saturated zone at locations approved by the DEQ so that data collected will be
					 representative of the entire site or expansion area.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 7 - Subsurface Investigation › Part 5 - GROUNDWATER STUDY › Section 252:517-7-53 - Piezometer details

Current through Vol. 41, No. 20, July 1, 2024
(a)
Minimum
				  number.
For CCR units of 20 acres or less, at least three piezometers
				  shall be installed.
(b)
Additional piezometers.
(1) For
				  each additional 20 acres of a CCR unit, one additional piezometer shall be
				  installed.
(2) In geologically
				  complex areas, the installation of additional piezometers may be
				  required.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 7 - Subsurface Investigation › Part 5 - GROUNDWATER STUDY › Section 252:517-7-54 - Groundwater elevation measurements

Current through Vol. 41, No. 20, July 1, 2024
(a)
Groundwater/waste separation.
Separation from groundwater shall
				  meet the requirements of OAC
				  252:517-5-1.
(b)
Continuous water level
				  monitoring.
A continuous water level monitor system shall be installed
				  in at least one piezometer that has water in it. Water levels in all other
				  piezometers shall be monitored once each month for 12 months at approximately
				  the same date each month.
(c)
Measurements after heavy rainfall.
If significant changes in the
				  water level in the continuous monitor are identified following heavy rainfall
				  events, the DEQ may require additional measurements in other piezometers to
				  further define the level of highest groundwater elevation.
(d)
Method defined.
The
				  elevation of groundwater in piezometers and monitor wells shall be measured
				  according to the specifications of ASTM D4750.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 7 - Subsurface Investigation › Part 5 - GROUNDWATER STUDY › Section 252:517-7-55 - Area rainfall

Current through Vol. 41, No. 20, July 1, 2024
(a)
Rainfall
				  measurements.
Daily and monthly precipitation data shall be obtained
				  from the climatological station closest to the proposed site or expansion area,
				  for the months in which the on- site measurements were taken and for the
				  preceding 12 months.
(b)
Average rainfall.
CLIMOCS shall be used to obtain the 30-year mean
				  precipitation from the climatological station closest to the proposed site or
				  expansion area.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 7 - Subsurface Investigation › Part 5 - GROUNDWATER STUDY › Section 252:517-7-56 - Shallow saturated zone investigation

Current through Vol. 41, No. 20, July 1, 2024
(a)
Shallow saturated zone
				  encountered.
If a saturated zone is encountered above the depth where
				  groundwater was anticipated, drilling shall cease and the following actions
				  taken:
(1) note on the borehole lithologic
				  sample log, the initial depth at which the shallow zone was
				  encountered;
(2) install and screen
				  a piezometer in the shallow zone; and
(3) drill a new boring, to the original
				  proposed total depth, within ten feet of the piezometer.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 7 - Subsurface Investigation › Part 7 - SURFACE PENETRATION PLUGGING › Section 252:517-7-71 - Plugging requirements

Current through Vol. 41, No. 20, July 1, 2024
(a)
Boreholes.
Unless it is to be converted to a piezometer or monitor
				  well within thirty days of drilling, all boreholes shall be plugged in
				  accordance with the requirements of OAC
				  252:517-7-3.
(b)
Piezometers and monitoring
				  wells.
All piezometers and monitoring wells that will not become part of
				  the groundwater monitoring system shall be plugged according to the
				  requirements of OAC
				  252:517-7-3.
(c)
Other subsurface
				  penetrations.
All water wells, oil and gas wells and other borings
				  located within the proposed disposal boundary shall be plugged if they will not
				  be utilized.
(d)
Casing
				  extraction.
The casing of monitoring wells and piezometers shall be
				  extracted prior to plugging.
(1)
Piezometers.
The surface seal and casing shall be removed from the
				  borehole and a tremie pipe shall be used to fill the hole from the bottom to
				  four feet (4') below ground surface.
(2)
Monitoring wells.
(A) The protective bollards and concrete pad
				  shall be removed.
(B) The surface
				  seal and well casing shall be removed by perforating the bottom cap and filling
				  the casing with appropriate plugging material as the casing is being pulled
				  from the borehole, or the casing may be extracted by over-drilling.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 9 - Groundwater Monitoring/Corrective Action › Section 252:517-9-1 - General provisions

Current through Vol. 41, No. 20, July 1, 2024
(a)
Applicability.
All CCR landfills, CCR surface impoundments, and
				lateral expansions of CCR units are subject to the groundwater monitoring and
				corrective action requirements under OAC 252:517-9-1 through OAC
				252:517-9-9.
(b)
Initial
				timeframes.
(1)
Existing CCR
				landfills and existing CCR surface impoundments.
No later than October
				17, 2017, the owner or operator of the CCR unit must be in compliance with the
				following groundwater monitoring requirements:
(A) Install the groundwater monitoring system
				as required by OAC 252-517-9-2;
(B)
				Develop the groundwater sampling and analysis program to include selection of
				the statistical procedures to be used for evaluating groundwater monitoring
				data as required by OAC
				252:517-9-4;
(C) Initiate the detection monitoring program
				to include obtaining a minimum of eight independent samples for each background
				and downgradient well as required by OAC
				252:517-9-5(b);
				and
(D) Begin evaluating the
				groundwater monitoring data for statistically significant increases over
				background levels for the constituents listed in Appendix A of this Chapter as
				required by OAC
				252:517-9-5.
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 9 - Groundwater Monitoring/Corrective Action › Section 252:517-9-2 - Groundwater monitoring systems

Current through Vol. 41, No. 20, July 1, 2024
(a)
Performance standard.
The owner or operator of a CCR unit must
				install a groundwater monitoring system that consists of a sufficient number of
				wells, installed at appropriate locations and depths, to yield groundwater
				samples from the uppermost aquifer that:
(1)
				Accurately represent the quality of background groundwater that has not been
				affected by leakage from a CCR unit. A determination of background quality may
				include sampling of wells that are not hydraulically upgradient of the CCR
				management area where:
(A) Hydrogeologic
				conditions do not allow the owner or operator of the CCR unit to determine what
				wells are hydraulically upgradient; or
(B) Sampling at other wells will provide an
				indication of background groundwater quality that is as representative or more
				representative than that provided by the upgradient wells; and
Oklahoma Administrative Code › Title 252 - Department of Environmental Quality › Chapter 517 - Disposal of Coal Combustion Residuals from Electric Utilities › Subchapter 9 - Groundwater Monitoring/Corrective Action › Section 252:517-9-4 - Groundwater sampling and analysis requirements

Current through Vol. 41, No. 20, July 1, 2024
(a)
DEQ approval required.
A
				groundwater monitoring program shall be established and a plan submitted to the
				DEQ for approval. The plan must include information required by (b) through (j)
				of this Section.
(b)
Sampling
				and analysis procedures.
The groundwater monitoring program must include
				consistent sampling and analysis procedures that are designed to ensure
				monitoring results that provide an accurate representation of groundwater
				quality at the background and downgradient wells required by OAC
				252:517-9-2.
				The owner or operator of the CCR unit must develop a sampling and analysis
				program that includes procedures and techniques for:
(1) Sample collection;
(2) Sample preservation and
				shipment;
(3) Analytical
				procedures;
(4) Chain of custody
				control; and
(5) Quality assurance
				and quality control.