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California Code of Regulations › Title 22 - Social Security › Division 4.5 - Environmental Health Standards for the Management of Hazardous Waste › Chapter 14 - Standards for Owners and Operators of Hazardous Waste Transfer, Treatment, Storage, and Disposal Facilities › Article 10 - Tank Systems › Section 66264.197 - Closure and Post-Closure Care

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) At closure of a tank system, the owner or
				  operator shall remove or decontaminate all waste residues, contaminated
				  containment system components (liners, etc.), contaminated soils, and
				  structures and equipment contaminated with waste, and manage them as hazardous
				  waste, unless section
				  66261.3(e) of
				  this division applies. The closure plan, closure activities, cost estimates for
				  closure, and financial responsibility for tank systems shall meet all of the
				  requirements specified in articles 7 and 8 of this chapter.
(b) If the owner or operator demonstrates
				  that not all contaminated soils can be practicably removed or decontaminated as
				  required in subsection (a) of this section, then the owner or operator shall
				  close the tank system and perform post-closure care in accordance with the
				  closure and post-closure care requirements that apply to landfills section
				  66264.310. In addition, for the
				  purposes of closure, post-closure, and financial responsibility, such a tank
				  system is then considered to be a landfill, and the owner or operator shall
				  meet all of the requirements for landfills specified in articles 7 and 8 of
				  this chapter.
(c) If an owner or
				  operator has a tank system that does not have secondary containment that meets
				  the requirements of section
				  66264.193(b) through
				  (f) and has not been granted a variance from
				  the secondary containment requirements in accordance with section
				  66264.193(g),
				  then:
(1) the closure plan for the tank
				  system shall include both a plan for complying with subsection (a) of this
				  section and a contingent plan for complying with subsection (b) of this
				  section;
(2) a contingent
				  post-closure plan for complying with subsection (b) of this section shall be
				  prepared and submitted as part of the permit application;
(3) the cost estimates calculated for closure
				  and post-closure care shall reflect the costs of complying with the contingent
				  closure plan and the contingent post-closure plan, if those costs are greater
				  than the costs of complying with the closure plan prepared for the expected
				  closure under subsection (a) of this section;
(4) financial assurance shall be based on the
				  cost estimates in subsection (c)(3) of this section;
(5) for the purposes of the contingent
				  closure and post-closure plans, such a tank system is considered to be a
				  landfill, and the contingent plans shall meet all of the closure, post-closure,
				  and financial responsibility requirements for landfills under articles 7 and 8
				  of this chapter.
California Code of Regulations › Title 22 - Social Security › Division 4.5 - Environmental Health Standards for the Management of Hazardous Waste › Chapter 14 - Standards for Owners and Operators of Hazardous Waste Transfer, Treatment, Storage, and Disposal Facilities › Article 10 - Tank Systems › Section 66264.198 - Special Requirements for Ignitable or Reactive Wastes

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) Ignitable or reactive waste shall not be
				  placed in tank systems, unless:
(1) the waste
				  is treated, rendered, or mixed before or immediately after placement in the
				  tank system so that:
(A) the resulting waste,
				  mixture, or dissolved material no longer meets the definition of ignitable or
				  reactive waste under sections
				  66261.21 or
				  66261.23 of this division,
				  and
(B) section
				  66264.17(b) is
				  complied with; or
California Code of Regulations › Title 22 - Social Security › Division 4.5 - Environmental Health Standards for the Management of Hazardous Waste › Chapter 14 - Standards for Owners and Operators of Hazardous Waste Transfer, Treatment, Storage, and Disposal Facilities › Article 10 - Tank Systems › Section 66264.199 - Special Requirements for Incompatible Wastes

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) Incompatible wastes, or incompatible
				  wastes and materials, shall not be placed in the same tank system, unless
				  section 66264.17(b) is
				  complied with.
(b) Hazardous waste
				  shall not be placed in a tank system that has not been decontaminated and that
				  previously held an incompatible waste or material, unless section
				  66264.17(b) is
				  complied with.
1. New
					 section filed 5-24-91; operative 7-1-91 (Register 91, No.
					 22).
Note: Authority cited: Sections
						208,
						25150
						and
						25159,
						Health and Safety Code. Reference: Sections
						25159
						and
						25159.5,
						Health and Safety Code; 40
						CFR Section
						264.199.
California Code of Regulations › Title 22 - Social Security › Division 4.5 - Environmental Health Standards for the Management of Hazardous Waste › Chapter 14 - Standards for Owners and Operators of Hazardous Waste Transfer, Treatment, Storage, and Disposal Facilities › Article 10 - Tank Systems › Section 66264.200 - Air Emission Standards

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
The owner or operator shall manage all hazardous waste
					 placed in a tank in accordance with the applicable requirements of Articles 27,
					 28 and 28.5 of this Chapter.
1. Change
					 without regulatory effect adding new section filed 6-11-99 pursuant to Health
					 and Safety Code section
					 25159.1
					 (Register 99, No. 24).
Note: Sections
						25150,
						25159,
						25159.5,
						25245
						and
						58012,
						Health and Safety Code. Reference: Sections
						25150,
						25159
						and
						25159.5,
						Health and Safety Code; and 40 CFR section
						264.200.
California Code of Regulations › Title 22 - Social Security › Division 4.5 - Environmental Health Standards for the Management of Hazardous Waste › Chapter 14 - Standards for Owners and Operators of Hazardous Waste Transfer, Treatment, Storage, and Disposal Facilities › Article 11 - Surface Impoundments › Section 66264.220 - Applicability

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
The regulations in this article apply to owners and
					 operators of facilities that use surface impoundments to treat, store, or
					 dispose of hazardous waste except as section
					 66264.1 of this chapter provides
					 otherwise.
1. New
					 section filed 5-24-91; operative 7-1-91 (Register 91, No.
					 22).
Note: Authority cited: Sections
						208,
						25150
						and
						25159,
						Health and Safety Code. Reference: Sections
						25150,
						25159
						and
						25159.5,
						Health and Safety Code; 40
						CFR Section
						264.220.
California Code of Regulations › Title 22 - Social Security › Division 4.5 - Environmental Health Standards for the Management of Hazardous Waste › Chapter 14 - Standards for Owners and Operators of Hazardous Waste Transfer, Treatment, Storage, and Disposal Facilities › Article 11 - Surface Impoundments › Section 66264.221 - Design and Operating Requirements

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) Any surface impoundment that is not
				  covered by subsection (c) of this section or section
				  66265.221 shall have a liner for
				  all portions of the impoundment (except for existing portions of such
				  impoundments). The liner shall be designed, constructed, and installed to
				  prevent any migration of wastes out of the impoundment to the adjacent
				  subsurface soil or ground water or surface water at any time during the active
				  life (including the closure period) of the impoundment. The liner may be
				  constructed of materials that may allow wastes to migrate into the liner (but
				  not into the adjacent subsurface soil or ground water or surface water) during
				  the active life of the facility, provided that the impoundment is closed in
				  accordance with section
				  66264.228(a)(1).
				  For impoundments that will be closed in accordance with section
				  66264.228(a)(2),
				  the liner shall be constructed of materials that can prevent wastes from
				  migrating into the liner during the active life of the facility. The liner
				  shall be:
(1) constructed of materials that
				  have appropriate chemical properties and sufficient strength and thickness to
				  prevent failure due to pressure gradients (including static head and external
				  hydrogeologic forces), physical contact with the waste or leachate to which
				  they are exposed, climatic conditions, the stress of installation, and the
				  stress of daily operation;
(2)
				  placed upon a foundation or base capable of providing support to the liner and
				  resistance to pressure gradients above and below the liner to prevent failure
				  of the liner due to settlement, compression, or uplift; and
(3) installed to cover all surrounding earth
				  likely to be in contact with the waste or leachate.
California Code of Regulations › Title 22 - Social Security › Division 4.5 - Environmental Health Standards for the Management of Hazardous Waste › Chapter 14 - Standards for Owners and Operators of Hazardous Waste Transfer, Treatment, Storage, and Disposal Facilities › Article 11 - Surface Impoundments › Section 66264.222 - Action Leakage Rate

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a)
				  The Department shall approve an action leakage rate for surface impoundment
				  units subject to section
				  66264.221(c) or
				  (f). The action leakage rate is the maximum
				  design flow rate that the leak detection system (LDS) can remove without the
				  fluid pressure head on the bottom liner exceeding 1 foot (30.5 cm) at any given
				  portion of the liner. The action leakage rate shall include an adequate safety
				  margin to allow for uncertainties in the design (e.g., slope, hydraulic
				  conductivity, thickness of drainage material), construction, operation, and
				  location of the LDS, waste and leachate characteristics, likelihood and amounts
				  of other sources of liquids in the LDS, and proposed response actions (e.g.,
				  the action leakage rate shall consider decreases in the flow capacity of the
				  system over time resulting from siltation and clogging, rib layover and creep
				  of synthetic components of the system, overburden pressures, etc.).
(b) To determine if the action leakage rate
				  has been exceeded, the owner or operator shall convert the weekly or monthly
				  flow rate from the monitoring data obtained under section
				  66264.226(d) to
				  an average daily flow rate (gallons per acre per day) for each sump. Unless the
				  Department approves a different calculation, the average daily flow rate for
				  each sump shall be calculated weekly during the active life and closure period,
				  and if the unit is closed in accordance with section
				  66264.228(b),
				  monthly during the post-closure care period when monthly monitoring is required
				  under section
				  66264.226(d).
1. New
					 section filed 7-19-95; operative 8-18-95 (Register 95, No. 29).
2.
					 Change without regulatory effect amending subsection (a) filed 6-30-97 pursuant
					 to section
					 100, title 1, California Code of
					 Regulations (Register 97, No. 27).
Note: Authority cited: Sections
						25150
						and
						25159,
						Health and Safety Code; and Governor's Reorganization Plan Number 1 of 1991.
						Reference: Sections
						25159
						and
						25159.5,
						Health and Safety Code; and 40 CFR Section
						264.222.
California Code of Regulations › Title 22 - Social Security › Division 4.5 - Environmental Health Standards for the Management of Hazardous Waste › Chapter 14 - Standards for Owners and Operators of Hazardous Waste Transfer, Treatment, Storage, and Disposal Facilities › Article 11 - Surface Impoundments › Section 66264.223 - Response Actions

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) The
				  owner or operator of surface impoundment units subject to section
				  66264.221(c) or
				  (f) shall have an approved response action
				  plan before receipt of waste. The response action plan shall set forth the
				  actions to be taken if the action leakage rate has been exceeded. At a minimum,
				  the response action plan shall describe the actions specified in subsection (b)
				  of this section.
(b) If the flow
				  rate into the leak detection system exceeds the action leakage rate for any
				  sump, the owner or operator shall:
(1) Notify
				  the Department in writing of the exceedence within 7 days of the
				  determination;
(2) Submit a
				  preliminary written assessment to the Department within 14 days of the
				  determination, as to the amount of liquids, likely sources of liquids, possible
				  location, size, and cause of any leaks, and short-term actions taken and
				  planned;
(3) Determine to the
				  extent practicable the location size, and cause of any leak;
(4) Determine whether waste receipt should
				  cease or be curtailed, whether any waste should be removed from the unit for
				  inspection, repairs, or controls, and whether or not the unit should be
				  closed;
(5) Determine any other
				  short-term and longer-term actions to be taken to mitigate or stop any leaks;
				  and
(6) Within 30 days after the
				  notification that the action leakage rate has been exceeded, submit to the
				  Department the results of the analyses specified in subsections (b)(3), (4) and
				  (5) of this section, the results of actions taken, and actions planned. Monthly
				  thereafter, as long as the flow rate in the leak detection system exceeds the
				  action leakage rate, the owner or operator shall submit to the Department a
				  report summarizing the results of any remedial actions taken and actions
				  planned.
California Code of Regulations › Title 22 - Social Security › Division 4.5 - Environmental Health Standards for the Management of Hazardous Waste › Chapter 14 - Standards for Owners and Operators of Hazardous Waste Transfer, Treatment, Storage, and Disposal Facilities › Article 11 - Surface Impoundments › Section 66264.226 - Monitoring and Inspection

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) During construction and installation,
				  liners (except in the case of existing portions of surface impoundments exempt
				  from section
				  66264.221(a)) and
				  cover systems (e.g., membranes, sheets, or coatings) shall be inspected for
				  uniformity, damage, and imperfections (e.g., holes, cracks, thin spots, or
				  foreign materials). Immediately after construction or installation:
(1) synthetic liners and covers shall be
				  inspected to ensure tight seams and joints and the absence of tears, punctures,
				  or blisters; and
(2) soil-based and
				  admixed liners and covers shall be inspected for imperfections including
				  lenses, cracks, channels, root holes, or other structural non-uniformities that
				  may cause an increase in the permeability of the liner or
				  cover.
California Code of Regulations › Title 22 - Social Security › Division 4.5 - Environmental Health Standards for the Management of Hazardous Waste › Chapter 14 - Standards for Owners and Operators of Hazardous Waste Transfer, Treatment, Storage, and Disposal Facilities › Article 11 - Surface Impoundments › Section 66264.227 - Emergency Repairs; Contingency Plans

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) A surface impoundment shall be removed
				  from service in accordance with subsection (b) of this section when:
(1) the level of liquids in the impoundment
				  suddenly drops and the drop is not known to be caused by changes in the flows
				  into or out of the impoundment; or
(2) the dike leaks.
California Code of Regulations › Title 22 - Social Security › Division 4.5 - Environmental Health Standards for the Management of Hazardous Waste › Chapter 14 - Standards for Owners and Operators of Hazardous Waste Transfer, Treatment, Storage, and Disposal Facilities › Article 11 - Surface Impoundments › Section 66264.228 - Closure and Postclosure Care

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) At closure, the owner or operator shall:
(1) remove or decontaminate all waste
				  residues, contaminated containment system components (liners, etc.),
				  contaminated subsoils, and structures and equipment contaminated with waste and
				  leachate, and manage them as hazardous waste unless section
				  66261.3(d)
				  applies; or
(2)
(A) eliminate free liquids by removing liquid
				  wastes or solidifying the remaining wastes and waste residues;
(B) stabilize remaining wastes to a bearing
				  capacity sufficient to support final cover; and
(C) cover the surface impoundment with a
				  final cover designed and constructed to:
1.
				  prevent the downward entry of water into the closed impoundment throughout a
				  period of at least 100 years;
2.
				  function with minimum maintenance;
3. promote drainage and minimize erosion or
				  abrasion of the final cover;
4.
				  accommodate settling and subsidence so that the cover's integrity is
				  maintained; and
5. have a
				  permeability less than or equal to the permeability of any bottom liner system
				  or natural subsoils present;
6.
				  accommodate lateral and vertical shear forces generated by the maximum credible
				  earthquake so that the integrity of the cover is maintained;
7. preclude ponding of rainfall and surface
				  run-on over the closed area.
California Code of Regulations › Title 22 - Social Security › Division 4.5 - Environmental Health Standards for the Management of Hazardous Waste › Chapter 14 - Standards for Owners and Operators of Hazardous Waste Transfer, Treatment, Storage, and Disposal Facilities › Article 11 - Surface Impoundments › Section 66264.229 - Special Requirements for Ignitable or Reactive Waste

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
Ignitable or reactive waste shall not be placed in a
					 surface impoundment unless the waste and impoundment satisfy all applicable
					 requirements of chapter 18 of this division, and:
(a) the waste is treated, rendered, or mixed
				  before or immediately after placement in the impoundment so that:
(1) the resulting waste, mixture, or
				  dissolution of material no longer meets the definition of ignitable or reactive
				  waste under sections
				  66261.21 or
				  66261.23 of this chapter;
				  and
(2) section
				  66264.17(b) is
				  complied with; or
California Code of Regulations › Title 22 - Social Security › Division 4.5 - Environmental Health Standards for the Management of Hazardous Waste › Chapter 14 - Standards for Owners and Operators of Hazardous Waste Transfer, Treatment, Storage, and Disposal Facilities › Article 11 - Surface Impoundments › Section 66264.230 - Special Requirements for Incompatible Wastes

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
Incompatible wastes, or incompatible wastes and materials,
					 (see Appendix V of this chapter for examples) shall not be placed in the same
					 surface impoundment, unless section
					 66264.17(b) is
					 complied with.
1. New
					 section filed 5-24-91; operative 7-1-91 (Register 91, No.
					 22).
Note: Authority cited: Sections
						208,
						25150
						and
						25159,
						Health and Safety Code. Reference: Sections
						25150,
						25159
						and
						25159.5,
						Health and Safety Code; 40
						CFR Section
						264.230.
California Code of Regulations › Title 22 - Social Security › Division 4.5 - Environmental Health Standards for the Management of Hazardous Waste › Chapter 14 - Standards for Owners and Operators of Hazardous Waste Transfer, Treatment, Storage, and Disposal Facilities › Article 11 - Surface Impoundments › Section 66264.231 - Special Requirements for Hazardous Wastes F020, F021, F022, F023, F026, and F027

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a)
				  Hazardous Wastes F020, F021, F022, F023, F026, and F027 shall not be placed in
				  a surface impoundment unless the owner or operator operates the surface
				  impoundment in accordance with a management plan for these wastes that is
				  approved by the Department pursuant to the standards set out in this
				  subsection, and in accord with all other applicable requirements of this
				  chapter. The factors to be considered are:
(1) the volume, physical, and chemical
				  characteristics of the wastes, including their potential to migrate through
				  soil or to volatilize or escape into the atmosphere;
(2) the attenuative properties of underlying
				  and surrounding soils or other materials;
(3) the mobilizing properties of other
				  materials co-disposed with these wastes; and
(4) the effectiveness of additional
				  treatment, design, or monitoring techniques.
California Code of Regulations › Title 22 - Social Security › Division 4.5 - Environmental Health Standards for the Management of Hazardous Waste › Chapter 14 - Standards for Owners and Operators of Hazardous Waste Transfer, Treatment, Storage, and Disposal Facilities › Article 11 - Surface Impoundments › Section 66264.232 - Air Emission Standards

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
The owner or operator shall manage all hazardous waste
					 placed in a surface impoundment in accordance with the applicable requirements
					 of Articles 28 and 28.5 this Chapter.
1. Change
					 without regulatory effect adding new section filed 6-11-99 pursuant to Health
					 and Safety Code section
					 25159.1
					 (Register 99, No. 24).
Note: Sections
						25150,
						25159,
						25159.5,
						25245
						and
						58012,
						Health and Safety Code. Reference: Sections
						25150,
						25159
						and
						25159.5,
						Health and Safety Code; and 40 CFR section
						264.232.
California Code of Regulations › Title 22 - Social Security › Division 4.5 - Environmental Health Standards for the Management of Hazardous Waste › Chapter 14 - Standards for Owners and Operators of Hazardous Waste Transfer, Treatment, Storage, and Disposal Facilities › Article 12 - Waste Piles › Section 66264.250 - Applicability

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) The regulations
				  in this article apply to owners and operators of facilities that store or treat
				  hazardous waste in piles, except as section
				  66264.1 provides
				  otherwise.
(b) The regulations in
				  this article do not apply to owners or operators of waste piles that are part
				  of a permitted facility and are closed with wastes left in place. Such waste
				  piles are subject to regulation under article 14 of this chapter
				  (Landfills).
(c) The owner or
				  operator of any waste pile that is inside or under a structure that provides
				  protection from precipitation so that neither run-off nor leachate is generated
				  is not subject to regulation under section
				  66264.251 or under article 6 of
				  this chapter, provided that:
(1) liquids or
				  materials containing free liquids are not placed in the pile;
(2) the pile is protected from surface water
				  run-on by the structure or in some other manner;
(3) the pile is designed and operated to
				  control dispersal of the waste by wind, where necessary, by means other than
				  wetting; and
(4) the pile will not
				  generate leachate through decomposition or other reactions.
California Code of Regulations › Title 22 - Social Security › Division 4.5 - Environmental Health Standards for the Management of Hazardous Waste › Chapter 14 - Standards for Owners and Operators of Hazardous Waste Transfer, Treatment, Storage, and Disposal Facilities › Article 12 - Waste Piles › Section 66264.251 - Design and Operating Requirements

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) A waste pile (except for an existing
				  portion of a waste pile) shall have:
(1) a
				  liner that is designed, constructed, and installed to prevent any migration of
				  wastes out of the pile into the adjacent subsurface soil or ground water or
				  surface water at any time during the active life (including the closure period)
				  of the waste pile. The liner may be constructed of materials that may allow
				  waste to migrate into the liner itself (but not into the adjacent subsurface
				  soil or ground water or surface water) during the active life of the facility.
				  The liner shall be:
(A) constructed of
				  materials that have appropriate chemical properties and sufficient strength and
				  thickness to prevent failure due to pressure gradients (including static head
				  and external hydrogeologic forces), physical contact with the waste or leachate
				  to which they are exposed, climatic conditions, the stress of installation, and
				  the stress of daily operation;
(B)
				  placed upon a foundation or base capable of providing support to the liner and
				  resistance to pressure gradients above and below the liner to prevent failure
				  of the liner due to settlement, compression, or uplift; and
(C) installed to cover all surrounding earth
				  likely to be in contact with the waste or leachate; and
California Code of Regulations › Title 22 - Social Security › Division 4.5 - Environmental Health Standards for the Management of Hazardous Waste › Chapter 14 - Standards for Owners and Operators of Hazardous Waste Transfer, Treatment, Storage, and Disposal Facilities › Article 12 - Waste Piles › Section 66264.252 - Action Leakage Rate

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a)
				  The Department shall approve an action leakage rate for waste pile units
				  subject to section
				  66264.251(c) or
				  (
l
). The action leakage rate is the maximum design flow rate
				  that the leak detection system (LDS) can remove without the fluid pressure head
				  on the bottom liner exceeding 1 foot (30.5 cm) at any given portion of the
				  liner. The action leakage rate shall include an adequate safety margin to allow
				  for uncertainties in the design (e.g., slope, hydraulic conductivity, thickness
				  of drainage material), construction, operation, and location of the LDS, waste
				  and leachate characteristics, likelihood and amounts of other sources of
				  liquids in the LDS, and proposed response actions (e.g., the action leakage
				  rate shall consider decreases in the flow capacity of the system over time
				  resulting from siltation and clogging, rib layover and creep of synthetic
				  components of the system, overburden pressures, etc.).
(b) To determine if the action leakage rate
				  has been exceeded, the owner or operator shall convert the weekly flow rate
				  from the monitoring data obtained under section
				  66264.254(c), to
				  an average daily flow rate (gallons per acre per day) for each sump. Unless the
				  Department approves a different calculation, the average daily flow rate for
				  each sump shall be calculated weekly during the active life and closure
				  period.
1. New
					 section filed 7-19-95; operative 8-18-95 (Register 95, No. 29).
2.
					 Change without regulatory effect amending subsection (a) filed 6-30-97 pursuant
					 to section
					 100, title 1, California Code of
					 Regulations (Register 97, No. 27).
Note: Authority cited: Sections
						25150
						and
						25159,
						Health and Safety Code; and Governor's Reorganization Plan Number 1 of 1991.
						Reference: Sections
						25159
						and
						25159.5,
						Health and Safety Code; and 40 CFR Section
						264.252.
California Code of Regulations › Title 22 - Social Security › Division 4.5 - Environmental Health Standards for the Management of Hazardous Waste › Chapter 14 - Standards for Owners and Operators of Hazardous Waste Transfer, Treatment, Storage, and Disposal Facilities › Article 12 - Waste Piles › Section 66264.253 - Response Actions

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) The
				  owner or operator of waste pile units subject to section
				  66264.251(c) or
				  (
l
) shall have an approved response action plan before receipt
				  of waste. The response action plan shall set forth the actions to be taken if
				  the action leakage rate has been exceeded. At a minimum, the response action
				  plan shall describe the actions specified in subsection (b) of this
				  section.
(b) If the flow rate into
				  the leak detection system exceeds the action leakage rate for any sump, the
				  owner or operator shall:
(1) Notify the
				  Department in writing of the exceedance within 7 days of the
				  determination;
(2) Submit a
				  preliminary written assessment to the Department within 14 days of the
				  determination, as to the amount of liquids, likely sources of liquids, possible
				  location, size, and cause of any leaks, and short-term actions taken and
				  planned;
(3) Determine to the
				  extent practicable the location, size, and cause of any leak;
(4) Determine whether waste receipt should
				  cease or be curtailed, whether any waste should be removed from the unit for
				  inspection, repairs, or controls, and whether or not the unit should be
				  closed;
(5) Determine any other
				  short-term and longer-term actions to be taken to mitigate or stop any leaks;
				  and
(6) Within 30 days after the
				  notification that the action leakage rate has been exceeded, submit to the
				  Department the results of the analyses specified in subsections (b)(3), (4),
				  and (5) of this section, the results of actions taken, and actions planned.
				  Monthly thereafter, as long as the flow rate in the leak detection system
				  exceeds the action leakage rate, the owner or operator shall submit to the
				  Department a report summarizing the results of any remedial actions taken and
				  actions planned.
California Code of Regulations › Title 22 - Social Security › Division 4.5 - Environmental Health Standards for the Management of Hazardous Waste › Chapter 14 - Standards for Owners and Operators of Hazardous Waste Transfer, Treatment, Storage, and Disposal Facilities › Article 12 - Waste Piles › Section 66264.254 - Monitoring and Inspection

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) During construction or installation,
				  liners (except as exempted from section
				  66264.251(a)) and
				  cover systems (e.g., membranes, sheets, or coatings) shall be inspected for
				  uniformity, damage, and imperfections (e.g., holes, cracks, thin spots, or
				  foreign materials). Immediately after construction or installation:
(1) synthetic liners and covers shall be
				  inspected to ensure tight seams and joints and the absence of tears, punctures,
				  or blisters; and
(2) soil-based and
				  admixed liners and covers shall be inspected for imperfections including
				  lenses, cracks, channels, root holes, or other structural non-uniformities that
				  may cause an increase in the permeability of the liner or
				  cover.
California Code of Regulations › Title 22 - Social Security › Division 4.5 - Environmental Health Standards for the Management of Hazardous Waste › Chapter 14 - Standards for Owners and Operators of Hazardous Waste Transfer, Treatment, Storage, and Disposal Facilities › Article 12 - Waste Piles › Section 66264.256 - Special Requirements for Ignitable or Reactive Waste

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
Ignitable or reactive waste shall not be placed in a waste
					 pile unless: the waste and waste pile satisfy all applicable requirements of
					 chapter 18 of this division, and:
(a)
				  the waste is treated, rendered, or mixed before or immediately after placement
				  in the pile so that:
(1) the resulting waste,
				  mixture, or dissolution of material no longer meets the definition of ignitable
				  or reactive waste under sections
				  66261.21 or
				  66261.23 of this chapter;
				  and
(2) section
				  66264.17(b) is
				  complied with; or
California Code of Regulations › Title 22 - Social Security › Division 4.5 - Environmental Health Standards for the Management of Hazardous Waste › Chapter 14 - Standards for Owners and Operators of Hazardous Waste Transfer, Treatment, Storage, and Disposal Facilities › Article 12 - Waste Piles › Section 66264.257 - Special Requirements for Incompatible Wastes

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) Incompatible wastes, or incompatible
				  wastes and materials, (see Appendix V of this part for examples) shall not be
				  placed in the same pile, unless section
				  66264.17(b) is
				  complied with.
(b) A pile of
				  hazardous waste that is incompatible with any waste or other material stored
				  nearby in containers, other piles, open tanks, or surface impoundments shall be
				  separated from the other materials, or protected from them by means of a dike,
				  berm, wall, or other device.
(c)
				  Hazardous waste shall not be piled on the same base where incompatible wastes
				  or materials were previously piled, unless the base has been decontaminated
				  sufficiently to ensure compliance with section
				  66264.17(b).
1. New
					 section filed 5-24-91; operative 7-1-91 (Register 91, No.
					 22).
Note: Authority cited: Sections
						208,
						25150
						and
						25159,
						Health and Safety Code. Reference: Sections
						25150,
						25159
						and
						25159.5,
						Health and Safety Code; 40
						CFR Section
						264.257.
California Code of Regulations › Title 22 - Social Security › Division 4.5 - Environmental Health Standards for the Management of Hazardous Waste › Chapter 14 - Standards for Owners and Operators of Hazardous Waste Transfer, Treatment, Storage, and Disposal Facilities › Article 12 - Waste Piles › Section 66264.258 - Closure and Post-Closure Care

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) At closure, the owner or operator shall
				  remove or decontaminate all waste residues, contaminated containment system
				  components (liners, etc.), contaminated subsoils, and structures and equipment
				  contaminated with waste and leachate, and manage them as hazardous waste unless
				  section 66261.3(d)
				  applies.
(b) If, after removing or
				  decontaminating all residues and making all reasonable efforts to effect
				  removal or decontamination of contaminated components, subsoils, structures,
				  and equipment as required in subsection (a) of this section, the owner or
				  operator finds that not all contaminated subsoils can be practicably removed or
				  decontaminated, the owner or operator shall close the facility and perform
				  post-closure care in accordance with the closure and post-closure care
				  requirements that apply to landfills (section
				  66264.310).
(c)
(1) The
				  owner or operator of a waste pile shall:
(A)
				  include in the closure plan for the pile under section
				  66264.112 both a plan for
				  complying with subsection (a) of this section and a contingent plan for
				  complying with subsection (b) of this section in case not all contaminated
				  subsoils can be practicably removed at closure; and
(B) prepare a contingent post-closure plan
				  under section
				  66264.118 for complying with
				  subsection (b) of this section in case not all contaminated subsoils can be
				  practicably removed at closure.
California Code of Regulations › Title 22 - Social Security › Division 4.5 - Environmental Health Standards for the Management of Hazardous Waste › Chapter 14 - Standards for Owners and Operators of Hazardous Waste Transfer, Treatment, Storage, and Disposal Facilities › Article 12 - Waste Piles › Section 66264.259 - Special Requirements for Hazardous Wastes F020, F021, F022, F023, F026, and F027

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a)
				  Hazardous Wastes F020, F021, F022, F023, F026, and F027 shall not be placed in
				  waste piles unless the owner or operator operates the waste pile in accordance
				  with a management plan for these wastes that is approved by the Department
				  pursuant to the standards set out in this subsection, and in accord with all
				  other applicable requirements of this chapter. The factors to be considered
				  are:
(1) the volume, physical, and chemical
				  characteristics of the wastes, including their potential to migrate through
				  soil or to volatilize or escape into the atmosphere;
(2) the attenuative properties of underlying
				  and surrounding soils or other materials;
(3) the mobilizing properties of other
				  materials co-disposed with these wastes; and
(4) the effectiveness of additional
				  treatment, design, or monitoring techniques.
California Code of Regulations › Title 22 - Social Security › Division 4.5 - Environmental Health Standards for the Management of Hazardous Waste › Chapter 14 - Standards for Owners and Operators of Hazardous Waste Transfer, Treatment, Storage, and Disposal Facilities › Article 13 - Land Treatment › Section 66264.270 - Applicability

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
The regulations in this article apply to owners and
					 operators of facilities that treat or dispose of hazardous waste in land
					 treatment units, except as section
					 66264.1 provides
					 otherwise.
1. New
					 section filed 5-24-91; operative 7-1-91 (Register 91, No.
					 22).
Note: Authority cited: Sections
						208,
						25150
						and
						25159,
						Health and Safety Code. Reference: Sections
						25150,
						25159
						and
						25159.5,
						Health and Safety Code; 40
						CFR Section
						264.270.
California Code of Regulations › Title 22 - Social Security › Division 4.5 - Environmental Health Standards for the Management of Hazardous Waste › Chapter 14 - Standards for Owners and Operators of Hazardous Waste Transfer, Treatment, Storage, and Disposal Facilities › Article 13 - Land Treatment › Section 66264.271 - Treatment Program

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) An
				  owner or operator of a facility subject to this article shall establish a land
				  treatment program that is designed to ensure that hazardous constituents placed
				  in or on the treatment zone are degraded, transformed, or immobilized within
				  the treatment zone. The Department will specify in the facility permit the
				  elements of the treatment program, including:
(1) the wastes that are capable of being
				  treated at the unit based on a demonstration under section
				  66264.272;
(2) design measures and operating practices
				  necessary to maximize the success of degradation, transformation, and
				  immobilization processes in the treatment zone in accordance with section
				  66264.273(a);
				  and
(3) vadose zone monitoring
				  provisions meeting the requirements of section
				  66264.278.
California Code of Regulations › Title 22 - Social Security › Division 4.5 - Environmental Health Standards for the Management of Hazardous Waste › Chapter 14 - Standards for Owners and Operators of Hazardous Waste Transfer, Treatment, Storage, and Disposal Facilities › Article 13 - Land Treatment › Section 66264.272 - Treatment Demonstration

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) For each waste that will be applied to
				  the treatment zone, the owner or operator shall demonstrate, prior to
				  application of the waste, that constituents of concern in the waste can be
				  completely degraded, transformed, or immobilized in the treatment
				  zone.
(b) In making this
				  demonstration, the owner or operator may use field tests, laboratory analyses,
				  available data, or, in the case of existing units, operating data. If the owner
				  or operator intends to conduct field tests or laboratory analyses in order to
				  make the demonstration required under subsection (a) of this section, the owner
				  or operator shall obtain a treatment or disposal permit under section
				  66270.63. The Department shall
				  specify in this permit the testing, analytical, design, and operating
				  requirements (including the duration of the tests and analyses, and, in the
				  case of field tests, the horizontal and vertical dimensions of the treatment
				  zone, monitoring procedures, closure and clean-up activities) necessary to meet
				  the requirements in subsection (c) of this section.
(c) Any field test or laboratory analysis
				  conducted in order to make a demonstration under subsection (a) of this section
				  shall:
(1) accurately simulate the
				  characteristics and operating conditions for the proposed land treatment unit
				  including:
(A) the characteristics of the
				  waste (including the presence of constituents listed in Appendix VIII of
				  chapter 11);
(B) the climate in the
				  area;
(C) the topography of the
				  surrounding area;
(D) the
				  characteristics of the soil in the treatment zone (including depth);
				  and
(E) the operating practices to
				  be used at the unit;
California Code of Regulations › Title 22 - Social Security › Division 4.5 - Environmental Health Standards for the Management of Hazardous Waste › Chapter 14 - Standards for Owners and Operators of Hazardous Waste Transfer, Treatment, Storage, and Disposal Facilities › Article 13 - Land Treatment › Section 66264.273 - Design and Operating Requirements

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
The Department will specify in the facility permit how the
					 owner or operator will design, construct, operate and maintain the land
					 treatment unit in compliance with this section.
(a) The owner or operator shall design,
				  construct, operate and maintain the unit to maximize the degradation,
				  transformation and immobilization of constituents of concern in the treatment
				  zone. The owner or operator shall design, construct, operate and maintain the
				  unit in accord with all design and operating conditions that were used in the
				  treatment demonstration under section
				  66264.272. At a minimum, the
				  Department will specify the following in the facility permit:
(1) the rate and method of waste application
				  to the treatment zone;
(2) measures
				  to control soil pH;
(3) measures to
				  enhance microbial or chemical reactions (e.g., fertilization, tilling);
				  and
(4) measures to control the
				  moisture content of the treatment zone.
California Code of Regulations › Title 22 - Social Security › Division 4.5 - Environmental Health Standards for the Management of Hazardous Waste › Chapter 14 - Standards for Owners and Operators of Hazardous Waste Transfer, Treatment, Storage, and Disposal Facilities › Article 13 - Land Treatment › Section 66264.278 - Vadose Zone Monitoring and Response

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
In addition to the water quality monitoring and response
					 requirements of article 6 and the environmental monitoring requirements of
					 article 17 of this chapter, an owner or operator subject to this article shall
					 establish a vadose zone monitoring program to discharge the following
					 responsibilities.
(a) The owner or
				  operator shall monitor the soil and soil-pore liquid to determine whether
				  constituents of concern migrate out of the treatment zone.
(1) The Department will specify the
				  constituents of concern to be monitored in the facility permit. The
				  constituents of concern to be monitored are those specified under section
				  66264.271(b).
(2) The Department may require monitoring for
				  principal constituents of concern in lieu of the constituents specified under
				  section 66264.271(b).
				  Principal constituents of concern are the constituents contained in the wastes
				  to be applied at the unit that are the most difficult to treat, considering the
				  combined effects of degradation, transformation, and immobilization. The
				  Department may establish principal constituents of concern if it finds, based
				  on waste analyses, treatment demonstrations, or other data, that effective
				  degradation, transformation, or immobilization of the constituent will assure
				  treatment at at least equivalent levels for the other constituents of concern
				  in the wastes.
California Code of Regulations › Title 22 - Social Security › Division 4.5 - Environmental Health Standards for the Management of Hazardous Waste › Chapter 14 - Standards for Owners and Operators of Hazardous Waste Transfer, Treatment, Storage, and Disposal Facilities › Article 13 - Land Treatment › Section 66264.279 - Recordkeeping

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
The owner or operator shall include hazardous waste
					 application dates and rates in the operating record required under section
					 66264.73.
1. New
					 section filed 5-24-91; operative 7-1-91 (Register 91, No.
					 22).
Note: Authority cited: Sections
						208,
						25150
						and
						25159,
						Health and Safety Code. Reference: Sections
						25150,
						25159
						and
						25159.5,
						Health and Safety Code; 40
						CFR Section
						264.279.
California Code of Regulations › Title 22 - Social Security › Division 4.5 - Environmental Health Standards for the Management of Hazardous Waste › Chapter 14 - Standards for Owners and Operators of Hazardous Waste Transfer, Treatment, Storage, and Disposal Facilities › Article 13 - Land Treatment › Section 66264.280 - Closure and Post-Closure Care

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) During the closure period the owner or
				  operator shall:
(1) continue all operations
				  (including pH control) necessary to maximize degradation, transformation, or
				  immobilization of constituents of concern within the treatment zone as required
				  under section
				  66264.273(a),
				  except to the extent such measures are inconsistent with subsection (a)(7) of
				  this section;
(2) continue all
				  operations in the treatment zone to prevent run-off of constituents of concern
				  as required under section
				  66264.273(b);
(3) maintain the run-on control system
				  required under section
				  66264.273(c);
(4) maintain the run-off management system
				  required under section
				  66264.273(d);
(5) control wind dispersal of hazardous waste
				  if required under section
				  264.273(f);
(6) continue vadose zone monitoring in
				  compliance with section
				  66264.278, except that soil-pore
				  liquid monitoring may be terminated after the waste added to the treatment zone
				  has been shown to the satisfaction of the Department to have been completely
				  degraded, immobilized or transformed, but in no event can monitoring be
				  discontinued in less than 90 the last application of waste to the treatment
				  zone; and
(7) control of the
				  release of airborne contaminants to below hazardous or nuisance levels or other
				  levels as necessary to protect human health or the environment;
(8) establish a vegetative cover on the
				  portion of the facility being closed at such time that the cover will not
				  substantially impede degradation, transformation, or immobilization of
				  constituents of concern in the treatment zone. The vegetative cover shall be
				  capable of maintaining growth without extensive
				  maintenance.