North Dakota Administrative Code › Title 33.1 - Department of Environmental Quality › Article 33.1-24 - Hazardous Waste Management › Chapter 33.1-24-06 - Permits › Appendix I to Section 33.1-24-06-14 - Classification of Permit Modification

Current through Supplement No. 393, July, 2024
Modifications
Class
A. General Permit Provisions
1. Administrative and informational changes.
1
2. Correction of typographical errors.
1
3. Equipment replacement or upgrading with functionally
						  equivalent components
1
(for example, pipes, valves, pumps, conveyors,
						  controls).
4. Changes in the frequency of or procedures for
						  monitoring, reporting, sampling, or maintenance activities by the
						  permittee:
a. To provide for more frequent monitoring, reporting,
						  sampling, or maintenance.
1
b. Other changes.
2
5. Schedule of compliance:
a. Changes in interim compliance dates, with prior
						  approval of the department.
11
b. Extension of final compliance date.
3
6. Changes in expiration date of permit to allow earlier
						  permit termination, with prior approval of the department.
11
7. Changes in ownership or operational control of a
						  facility, provided the procedures of subsection 2 of section
						  33.1-24-06-11 are followed.
11
8. Changes to remove permit conditions that are no
						  longer applicable (for example, because the standards upon which they are based
						  are no longer applicable to the facility).
11
9. Changes to remove permit conditions applicable to a
						  unit excluded under the provisions of section
						  33.1-24-02-04.
11
10. Changes in the expiration date of a permit issued to
						  a facility at which all units are excluded under the provisions of section
						  33.1-24-02-04.
11
B. General Facility Standards
1. Changes to waste sampling or analysis methods:
a. To conform with department guidance or
						  regulations.
1
b. To incorporate changes associated with F039
						  (multisource leachate) sampling or analysis methods.
1
c. To incorporate changes associated with underlying
						  hazardous constituents in ignitable or corrosive wastes.
11
d. Other changes.
2. Changes to analytical quality assurance/control
						  plan:
a. To conform with department guidance or
						  regulations.
1
b. Other changes.
2
3. Changes in procedures for maintaining the operating
						  record.
1
4. Changes in frequency or content of inspection
						  schedules.
2
5. Changes in the training plan:
a. That affect the type or decrease the amount of
						  training given to employees.
2
b. Other changes.
1
6. Contingency plan:
a. Changes in emergency procedures (for example, spill
						  or release response procedures).
2
b. Replacement with functionally equivalent equipment,
						  upgrade, or relocate emergency equipment listed.
1
c. Removal of equipment from emergency equipment
						  list.
2
d. Changes in name, address, or telephone number of
						  coordinators or other persons or agencies identified in the plan.
1
7. Construction quality assurance plan:
a. Changes that the construction quality assurance
						  officer certifies in the operating record will provide equivalent or better
						  certainty that the unit components meet the design specifications.
1
b. Other changes.
2
Note: When a permit modification (such as introduction
						  of a new unit) requires a change in facility plans or other general facility
						  standards, that change shall be reviewed under the same procedures as the
						  permit modification.
C. Ground Water Protection
1. Changes to wells:
a. Changes in the number, location, depth, or design of
						  upgradient or downgradient wells of permitted ground water monitoring
						  system.
2
b. Replacement of an existing well that has been damaged
						  or rendered inoperable, without change to location, design, or depth of the
						  well.
1
2. Changes in ground water sampling or analysis
						  procedures or monitoring schedule, with prior approval of the department.
11
3. Changes in statistical procedure for determining
						  whether a statistically significant change in ground water quality between
						  upgradient and downgradient wells has occurred, with prior approval of the
						  department.
11
4. Changes in point of compliance.
2
5. Changes in indicator parameters, hazardous
						  constituents, or concentration limits (including alternate concentration
						  limits):
a. As specified in the ground water protection
						  standard.
3
b. As specified in the detection monitoring
						  program.
2
6. Changes to a detection monitoring program as required
						  by subsection 8 of section
						  33.1-24-05-55, unless specified
						  in this appendix.
2
7. Compliance monitoring program:
a. Addition of compliance monitoring program as required
						  by subdivision d of subsection 7 of section
						  33.1-24-05-55 and section
						  33.1-24-05-56.
3
b. Changes to a compliance monitoring program as
						  required by subsection 10 of section
						  33.1-24-05-56, unless otherwise
						  specified in this appendix.
2
8. Corrective action program:
a. Addition of a corrective action program as required
						  by subdivision b of subsection 8 of section
						  33.1-24-05-56 and section
						  33.1-24-05-57.
3
b. Changes to a corrective action program as required by
						  subsection 8 of section
						  33.1-24-05-57, unless otherwise
						  specified in this appendix.
2
D. Closure
1. Changes to the closure plan:
a. Changes in estimate of maximum extent of operations
						  or maximum inventory of waste onsite at any time during the active life of the
						  facility, with prior approval of the department.
11
b. Changes in the closure schedule for any unit, changes
						  in the final closure schedule for the facility, or extension of the closure
						  period, with prior approval of the department.
11
c. Changes in the expected year of final closure, where
						  other permit conditions are not changed, with prior approval of the
						  department.
11
d. Changes in procedures for decontamination of facility
						  equipment or structures, with prior approval of the department.
11
e. Changes in approved closure plan resulting from
						  unexpected events occurring during partial or final closure, unless otherwise
						  specified in this appendix.
2
2. Creation of a new landfill unit as part of
						  closure.
3
3. Addition of the following new units to be used
						  temporarily for closure activities:
a. Surface impoundments.
3
b. Incinerators.
3
c. Waste piles that do not comply with subsection 3 of
						  section 33.1-24-05-130.
3
d. Waste piles that comply with subsection 3 of section
						  33.1-24-05-130.
2
e. Tanks or containers (other than specified
						  below).
2
f. Tanks used for neutralization, dewatering, phase
						  separation, or component separation, with prior approval of the
						  department.
11
g. Staging piles.
2
E. Postclosure
1. Changes in name, address, or telephone number of
						  contact in postclosure plan.
1
2. Extension of postclosure care period.
2
3. Reduction in the postclosure care period.
3
4. Changes to the expected year of final closure, where
						  other permit conditions are not changed.
1
5. Changes in postclosure plan necessitated by events
						  occurring during the active life of the facility, including partial and final
						  closure.
2
F. Containers
1. Modification or addition of container units:
a. Resulting in greater than 25% increase in the
						  facility's container storage capacity, except as provided in F(1)(c) and
						  F(4)(a) below.
3
b. Resulting in up to 25% increase in the facility's
						  container storage capacity, except as provided in F(1)(c) and F(4)(a)
						  below.
2
c. Or treatment processes necessary to treat wastes that
						  are restricted from land disposal to meet some or all of the applicable
						  treatment standards or to treat wastes to satisfy (in whole or in part) the
						  standard of "use of practically available technology that yields the greatest
						  environmental benefit" with prior approval of the department. This modification
						  may also involve addition of new waste codes or narrative descriptions of
						  wastes. It is not applicable to dioxin-containing wastes (F020, F021, F022,
						  F023, F026, F027, and F028).
11
2. a. Modification of a container unit without
						  increasing the capacity of the unit.
2
b. Addition of a roof to a container unit without
						  alteration of the containment system.
1
3. Storage of different wastes in containers, except as
						  provided in F(4) below:
a. That require additional or different management
						  practices from those authorized in the permit.
3
b. That do not require additional or different
						  management practices from those authorized in the permit.
2
Note: See subsection 7 of section
						  33.1-24-06-14 for modification
						  procedures to be used for the management of newly listed or identified
						  wastes.
4. Storage or treatment of different wastes in
						  containers:
a. That require addition of units or change in treatment
						  process or management standards, provided that the wastes are restricted from
						  land disposal and are to be treated to meet some or all of the applicable
						  treatment standards, or that are to be treated to satisfy (in whole or in part)
						  the standard of "use of practically available technology that yields the
						  greatest environmental benefit" contained in
						  40 CFR
						  268.8(a)(2)(ii) as contained
						  in the most recent revised edition (July 1, 2003). This modification is not
						  applicable to dioxin-containing wastes (F020, F021, F022, F023, F026, F027, and
						  F028).
11
b. That do not require the addition of units or a change
						  in the treatment process or management standards, and provided that the units
						  have previously received wastes of the same type (for example, incinerator
						  scrubber water). This modification is not applicable to dioxin-containing
						  wastes (F020, F021, F022, F023, F026, F027, and F028).
11
G. Tanks
1. a. Modification or addition of tank units resulting
						  in greater than 25% increase in the facility's tank capacity, except as
						  provided in G(1)(c), G(1)(d), and G(1)(e) below.
3
b. Modification or addition of tank units resulting in
						  up to 25% increase in the facility's tank capacity, except as provided in
						  G(1)(d) and G(1)(e) below.
2
c. Addition of a new tank that will operate for more
						  than 90 days using any of the following physical or chemical treatment
						  technologies: neutralization, dewatering, phase separation, or component
						  separation.
2
d. After prior approval of the department, addition of a
						  new tank that will operate for up to 90 days using any of the following
						  physical or chemical treatment technologies: neutralization, dewatering, phase
						  separation, or component separation.
11
e. Modification or addition of tank units or treatment
						  processes necessary to treat wastes that are restricted from land disposal to
						  meet some or all of the applicable treatment standards or to treat wastes to
						  satisfy (in whole or in part) the standard of "use of practically available
						  technology that yields the greatest environmental benefit" contained in
						  40 CFR
						  268.8(a)(2)(ii) as contained
						  in the most recent revised edition (July 1, 2003), with prior approval of the
						  department. This modification may also involve addition of new waste codes. It
						  is not applicable to dioxin-containing wastes (F020, F021, F022, F023, F026,
						  F027, and F028).
11
2. Modification of a tank unit or secondary containment
						  system without increasing the capacity of the unit.
2
3. Replacement of a tank with a tank that meets the same
						  design standards and has a capacity within +/- 10% of the replaced tank
						  provided:
1
a. The capacity difference is no more than 1,500
						  gallons;
b. The facility's permitted tank capacity is not
						  increased; and
c. The replacement tank meets the same conditions in the
						  permit.
4. Modification of a tank management practice.
2
5. Management of different wastes in tanks:
a. That require additional or different management
						  practices, tank design, different fire protection specifications, or
						  significantly different tank treatment process from that authorized in the
						  permit, except as provided in G(5)(c) below.
3
b. That do not require additional or different
						  management practices, tank design, different fire protection specifications, or
						  significantly different tank treatment process than authorized in the permit,
						  except as provided in G(5)(d).
2
c. That require addition of units or change in
						  treatment processes or 11 management standards,
						  provided that the wastes are restricted from land disposal and are to be
						  treated to meet some or all of the applicable treatment standards or that are
						  to be treated to satisfy (in whole or in part) the standard of "use of
						  practically available technology that yields the greatest environmental
						  benefit" contained in
						  40 CFR
						  268.8(a)(2)(ii) as contained
						  in the most recent revised edition (July 1, 2003). The modification is not
						  applicable to dioxin-containing wastes (F020, F021, F022, F023, F026, F027, and
						  F028).
11
d. That do not require the addition of units or a
						  change in the treatment 1 process or management standards, and provided that
						  the units have previously received wastes of the same type (for example,
						  incinerator scrubber water). This modification is not applicable to
						  dioxin-containing wastes (F020, F021, F022, F023, F026, F027, and
						  F028).
1
Note: See subsection 7 of section
						  33.1-24-06-14 for modification
						  procedures to be used for the management of newly listed or identified
						  wastes.
H. Surface Impoundments
1. Modification or addition of surface impoundment
						  units that result in increasing 3 the facility's surface impoundment storage or
						  treatment capacity.
3
2. Replacement of a surface impoundment unit.
						  3
3
3. Modification of a surface impoundment unit without
						  increasing the facility's 2 surface impoundment storage or treatment capacity
						  and without modifying the unit's liner, leak detection system, or leachate
						  collection system.
2
4. Modification of a surface impoundment management
						  practice. 2
2
5. Treatment, storage, or disposal of different wastes
						  in surface impoundments:
a. That require additional or different management
						  practices or different 3 design of the liner or leak detection system than
						  authorized in the permit.
3
b. That do not require additional or different
						  management practices or 2 different design of the liner or leak detection
						  system than authorized in the permit.
2
c. That are wastes restricted from land disposal that
						  meet the applicable 1 treatment standards or that are treated to satisfy the
						  standard of "use of practically available technology that yields the greatest
						  environmental benefit" contained in
						  40 CFR
						  268.8(a)(2)(ii) as contained
						  in the most recent revised edition (July 1, 2003), and provided that the unit
						  meets the minimum technological requirements stated in subdivision b of
						  subsection 8 of section
						  33.1-24-05-254. This
						  modification is not applicable to dioxin-containing wastes (F020, F021, F022,
						  F023, F026, F027, and F028).
1
d. That are residues from wastewaster treatment or
						  incineration, provided 1 that disposal occurs in a unit that meets the minimum
						  technological requirements stated in subdivision b of subsection 8 of section
						  33.1-24-05-254, and provided
						  further that the surface impoundment has previously received wastes of the same
						  type (for example, incinerator scrubber water). This modification is not
						  applicable to dioxin-containing wastes (F020, F021, F022, F023, F026, F027, and
						  F028).
1
6. Modifications of unconstructed units to comply with
						  subsection 3 of section
						  33.1-24-05-119, section
						  33.1-24-05-126, section
						  33.1-24-05-127, and subsection 4
						  of section
						  33.1-24-05-120.
11
7. Changes in response action plan:
a. Increase in action leakage rate.
3
b. Change in a specific response reducing its frequency
						  or effectiveness.
3
c. Other changes.
2
Note: See subsection 7 of section
						  33.1-24-06-14 for modification
						  procedures to be used for the management of newly listed or identified
						  wastes.
I. Enclosed Waste Piles. For all waste piles except
						  those complying with subsection 3 of section
						  33.1-24-05-130, modifications
						  are treated the same as for a landfill. The following modifications are
						  applicable only to waste piles complying with subsection 3 of section
						  33.1-24-05-130.
1. Modification or addition of waste pile units:
a. Resulting in greater than 25% increase in the
						  facility's waste pile storage or treatment capacity.
3
b. Resulting in up to 25% increase in the facility's
						  waste pile storage or treatment capacity.
2
2. Modification of waste pile unit without increasing
						  the capacity of the unit.
2
3. Replacement of a waste pile unit with another waste
						  pile unit of the same design and capacity and meeting all waste pile conditions
						  in the permit.
1
4. Modification of a waste pile management
						  practice.
2
5. Storage or treatment of different wastes in waste
						  piles:
a. That require additional or different management
						  practices or different design of the unit.
3
b. That do not require additional or different
						  management practices or different design of the unit.
2
6. Conversion of an enclosed waste pile to a containment
						  building unit.
2
Note: See subsection 7 of section
						  33.1-24-06-14 for modification
						  procedures to be used for the management of newly listed or identified
						  wastes.
J. Landfills and Unenclosed Waste Piles
1. Modification or addition of landfill units that
						  result in increasing the facility's disposal capacity.
3
2. Replacement of a landfill.
3
3. Addition or modification of a liner, leachate
						  collection system, leachate detection system, runoff control, or final cover
						  system.
3
4. Modification of a landfill unit without changing a
						  liner, leachate collection system, leachate detection system, runoff control,
						  or final cover system.
2
5. Modification of a landfill management practice.
2
6. Landfill different wastes:
a. That require additional or different management
						  practices or different design of the liner, leachate collection system, or
						  leachate detection system.
3
b. That do not require additional or different
						  management practices or different design of the liner, leachate collection
						  system, or leachate detection system.
2
c. That are wastes restricted from land disposal that
						  meet the applicable treatment standards or that are treated to satisfy the
						  standard of "use of practically available technology that yields the greatest
						  environmental benefit" contained in
						  40 CFR
						  268.8(a)(2)(ii) as contained
						  in the most recent revised edition (July 1, 2003), and provided that the
						  landfill unit meets the minimum technological requirements stated in
						  subdivision b of subsection 8 of section
						  33.1-24-05-254. This
						  modification is not applicable to dioxin-containing wastes (F020, F021, F022,
						  F023, F026, F027, and F028).
1
d. That are residues from wastewater treatment or
						  incineration, provided that disposal occurs in a landfill unit that meets the
						  minimum technological requirements stated in subdivision b of subsection 8 of
						  section 33.1-24-05-254, and provided
						  further that the landfill has previously received wastes of the same type (for
						  example, incinerator ash). This modification is not applicable to
						  dioxin-containing wastes (F020, F021, F022, F023, F026, F027, and F028).
1
7. Modifications of unconstructed units to comply with
						  subsection 3 of section
						  33.1-24-05-131, section
						  33.1-24-05-137, section
						  33.1-24-05-138, subsection 3 of
						  section 33.1-24-05-132, subsection 3 of
						  section 33.1-24-05-177, section
						  33.1-24-05-187, subsection 3 of
						  section 33.1-24-05-178, and section
						  33.1-24-05-188.
11
8. Changes in response action plan:
a. Increase in action leakage rate.
3
b. Change in a specific response reducing its frequency
						  or effectiveness.
3
c. Other changes.
2
Note: See subsection 7 of section
						  33.1-24-06-14 for modification
						  procedures to be used for the management of newly listed or identified
						  wastes.
K. Land Treatment
1. Lateral expansion of or other modification of a land
						  treatment unit to increase areal extent.
3
2. Modification of run-on control system.
2
3. Modify runoff control system.
3
4. Other modifications of land treatment unit component
						  specifications or standards required in permit.
2
5. Management of different wastes in land treatment
						  units:
a. That require a change in permit operating conditions
						  or unit design specifications.
3
b. That do not require a change in permit operating
						  conditions or unit design specifications.
2
Note: See subsection 7 of section
						  33.1-24-06-14 for modification
						  procedures to be used for the management of newly listed or identified
						  wastes.
6. Modification of a land treatment unit management
						  practice to:
a. Increase rate or change method of waste
						  application.
3
b. Decrease rate of waste application.
1
7. Modification of a land treatment unit management
						  practice to change measures of pH or moisture content, or to enhance microbial
						  or chemical reactions.
2
8. Modification of a land treatment unit management
						  practice to grow food chain crops, to add to or replace existing permitted
						  crops with different food chain crops, or to modify operating plans for
						  distribution of animal feeds resulting from such crops.
3
9. Modification of operating practice due to detection
						  of releases from the land treatment unit pursuant to subdivision b of
						  subsection 7 of section
						  33.1-24-05-165.
3
10. Changes in the unsaturated zone monitoring system,
						  resulting in a change to the location, depth, number of sampling points, or
						  which replace unsaturated zone monitoring devices or components of devices with
						  devices or components that have specifications different from permit
						  requirements.
3
11. Changes in the unsaturated zone monitoring system
						  that do not result in a change to the location, depth, number of sampling
						  points, or which replace unsaturated zone monitoring devices or components of
						  devices with devices or components having specifications different from permit
						  requirements.
2
12. Changes in background values for hazardous
						  constituents in soil and soil-pore liquid.
2
13. Changes in sampling, analysis, or statistical
						  procedure.
2
14. Changes in land treatment demonstration program
						  prior to or during the demonstration.
2
15. Changes in any condition specified in the permit for
						  a land treatment unit to reflect results of the land treatment demonstration,
						  provided performance standards are met, and the department's prior approval has
						  been received.
11
16. Changes to allow a second land treatment
						  demonstration to be conducted when the results of the first demonstration have
						  not shown the conditions under which the wastes can be treated completely,
						  provided the conditions for the second demonstration are substantially the same
						  as the conditions for the first demonstration and have received the prior
						  approval of the department.
11
17. Changes to allow a second land treatment
						  demonstration to be conducted when the results of the first demonstration have
						  not shown the conditions under which the wastes can be treated completely,
						  where the conditions for the second demonstration are not substantially the
						  same as the conditions for the first demonstration.
3
18. Changes in vegetative cover requirements for
						  closure.
2
L. Incinerators, Boilers, and Industrial Furnaces:
1. Changes to increase by more than 25% any of the
						  following limits authorized in the permit: A thermal feed rate limit, a
						  feedstream feed rate limit, a chlorine/chloride feed rate limit, a metal feed
						  rate limit, or an ash feed rate limit. The department will require a new trial
						  burn to substantiate compliance with the regulatory performance standards
						  unless this demonstration can be made through other means.
3
2. Changes to increase by up to 25% any of the following
						  limits authorized in the permit: A thermal feed rate limit, a feedstream feed
						  rate limit, a chlorine/chloride feed rate limit, a metal feed rate limit, or an
						  ash feed rate limit. The department will require a new trial burn to
						  substantiate compliance with the regulatory performance standards unless this
						  demonstration can be made through other means.
2
3. Modification of an incinerator, boiler, or industrial
						  furnace unit by changing the internal size or geometry of the primary or
						  secondary combustion units, by adding a primary or secondary combustion unit,
						  by substantially changing the design of any component used to remove hydrogen
						  chloride and chlorine metals, or particulate from the combustion gases, or by
						  changing other features of the incinerator, boiler, or industrial furnace that
						  could affect its capability to meet the regulatory performance standards. The
						  department will require a new trial burn to substantiate compliance with the
						  regulatory performance standards unless this demonstration can be made through
						  other means.
3
4. Modification of an incinerator, boiler, or industrial
						  furnace unit in a manner that would not likely affect the capability of the
						  unit to meet the regulatory performance standards but which would change the
						  operating conditions or monitoring requirements specified in the permit. The
						  department may require a new trial burn to demonstrate compliance with the
						  regulatory performance standards.
2
5. Operating requirements:
a. Modification of the limits specified in the permit
						  for minimum or maximum combustion gas temperature, minimum combustion gas
						  residence time, oxygen concentration in the secondary combustion chamber, flue
						  gas carbon monoxide and hydrocarbon concentration, maximum temperature at the
						  inlet to the particulate matter emission control system, or operating
						  parameters for the air pollution control system. The department will require a
						  new trial burn to substantiate compliance with the regulatory performance
						  standards unless this demonstration can be made through other means.
3
b. Modification of any stack gas emission limits
						  specified in the permit, or modification of any conditions in the permit
						  concerning emergency shutdown or automatic waste feed cutoff procedures or
						  controls.
3
c. Modification of any other operating condition or any
						  inspection or recordkeeping requirement specified in the permit.
2
6. Burning different wastes:
a. If the waste contains a POHC that is more difficult
						  to burn than authorized by the permit or if burning of the waste requires
						  compliance with different regulatory performance standards than specified in
						  the permit. The department will require a new trial burn to substantiate
						  compliance with the regulatory performance standards unless this demonstration
						  can be made through other means.
3
b. If the waste does not contain a POHC that is more
						  difficult to burn than authorized by the permit and if burning of the waste
						  does not require compliance with different regulatory performance standards
						  than specified in the permit.
2
Note: See subsection 7 of section
						  33.1-24-06-14 for modification
						  procedures to be used for the management of newly listed or identified
						  wastes.
7. Shakedown and trial burn:
a. Modification of the trial burn plan or any of the
						  permit conditions applicable during the shakedown period for determining
						  operational readiness after construction, the trial burn period, or the period
						  immediately following the trial burn.
2
b. Authorization of up to an additional 720 hours of
						  waste burning during the shakedown period for determining operational readiness
						  after construction, with the prior approval of the department.
11
c. Changes in the operating requirements set in the
						  permit for conducting a trial burn, provided the change is minor and has
						  received the prior approval of the department.
11
d. Changes in the ranges of the operating requirements
						  set in the permit to reflect the results of the trial burn, provided the change
						  is minor and has received the prior approval of the department.
11
8. Substitution of an alternative type of nonhazardous
						  waste fuel that is not specified in the permit.
1
9. Technology changes needed to meet standards under 40
						  CFR part 63 (subpart EEE - national emission standards for hazardous air
						  pollutants from hazardous waste combustors), provide the procedures of
						  subsection 10 of section
						  33.1-24-06-14 are followed.
11
10. Changes to hazardous waste permit provisions needed
						  to support transition to 40 CFR part 63 (subpart EEE - national emission
						  standards for hazardous air pollutants from hazardous waste combustors),
						  provided the procedures of subsection 11 of section
						  33.1-24-06-14 are followed.
11
M. Containment Buildings
1. Modification or addition of containment building
						  units:
a. Resulting in greater than 25% increase in the
						  facility's containment building storage or treatment capacity.
3
b. Resulting in up to 25% increase in the facility's
						  containment building storage or treatment capacity.
2
2. Modification of a containment building unit or
						  secondary containment system without increasing the capacity of the unit.
2
3. Replacement of a containment building with a
						  containment building that meets the same design standards provided:
a. The unit capacity is not increased.
1
b. The replacement containment building meets the same
						  conditions in the permit.
1
4. Modification of a containment building management
						  practice.
2
5. Storage or treatment of different wastes in
						  containment buildings:
a. That require additional or different management
						  practices.
3
b. That do not require additional or different
						  management practices.
2
N. Corrective Action
1. Approval of a corrective action management unit
						  pursuant to section
						  33.1-24-05-552.
3
2. Approval of a temporary unit or time extension for a
						  temporary unit pursuant to section
						  33.1-24-05-553.
2
3. Approval of a staging pile or staging pile operating
						  term extension pursuant to section
						  33.1-24-05-554.
2
O. Burden Reduction
1. Development of one contingency plan based on
						  integrated contingency plan guidance pursuant to subsection 2 of section
						  33.1-24-05-27.
1
2. Changes to recordkeeping and reporting requirements
						  pursuant to subsection 9 of section
						  33.1-24-05-31 and subsection 7
						  of section
						  33.1-24-05-57.
1
3. Changes to inspection frequency for tank systems
						  pursuant to subsection 2 of section
						  33.1-24-05-108.
1
4. Changes to detection and compliance monitoring
						  program pursuant to subsection 4 of section
						  33.1-24-05-55, subdivisions b
						  and c of subsection 7 of section
						  33.1-24-05-55, and subsections 6
						  and 7 of section
						  33.1-24-05-56.
1
1Class 1 modifications requiring
				  prior department approval.