Managing Hazardous Waste

We protect the environment and communities by ensuring compliance with hazardous waste laws

Commonly Referenced Regulations for Permitting Hazardous Waste Management in California

Below is a list of regulations that are commonly referenced when permitting the treatment, storage, disposal, or transfer of hazardous waste in California. For all hazardous waste management regulations, please refer to California Code of Regulations, Title 22, Division 4.5.

Title 22 of the California Code of Regulations

Disclaimer This is by no means a complete list of regulations DTSC may consider when evaluating hazardous waste permits. It is your responsibility as the owner and/or operator of a hazardous waste facility to read and understand all applicable hazardous waste laws and regulations. For a the most recent and complete list of Title 22 regulations, visit DTSC’s Laws and Regulations webpage. 

CHAPTER 10 — Hazardous Waste Management System: General

Article 3. Variances

Section TitleSection Number
Definitions§ 66260.10
Petitions for Equivalent Testing or Analytical Methods§ 66260.21
Petitions to Include Other Wastes Under Chapter 23§ 66260.22
Factors for Petitions to Include Other Wastes Under Chapter 23§ 66260.23
Classification of a Waste as Hazardous or Nonhazardous§ 66260.200
Classification of an Electronic Device as a Covered Electronic Device§ 66260.201
Restrictions on the Use of Heavy Metals in Covered Electronic Devices§ 66260.202
Variances§ 66260.210
California Code of Regulations, Title 22, Division 4.5

CHAPTER 11 — Identification and Listing of Hazardous Waste

Article 1. General

Section TitleSection Number
Definition of Hazardous Waste§ 66261.3
Exclusions§ 66261.4
Contaminated Containers§ 66261.7
California Code of Regulations, Title 22, Division 4.5

Article 4. List of RCRA Hazardous Wastes

Section TitleSection Number
Hazardous Wastes from Non-Specific Sources§ 66261.31
Hazardous Waste from Specific Sources§ 66261.32
Discarded Commercial Chemical Products, Off-Specification Species, Container Residues, and Spill Residues Thereof§ 66261.33
California Code of Regulations, Title 22, Division 4.5

Article 5. Categories of Hazardous Waste

Section TitleSection Number
Non-RCRA Hazardous Waste§ 66261.101
List of Special Wastes§ 66261.120
Management of Special Wastes§ 66261.124
California Code of Regulations, Title 22, Division 4.5

CHAPTER 14 — Standards for Owners and Operators of Hazardous Waste Transfer, Treatment, Storage, and Disposal Facilities 

Article 1. General

Section TitleSection Number
Purpose, Scope, and Applicability§ 66264.1

Article 2. General Facility Standards

Section TitleSection Number
General Waste Analysis§ 66264.13
Security§ 66264.14
General Inspection Requirements§ 66264.15
Personnel Training§ 66264.16
Location Standards§ 66264.18
Construction Quality Assurance Program§ 66264.19
Seismic and Precipitation Design Standards§ 66264.25
California Code of Regulations, Title 22, Division 4.5

Additional Applicable Articles

Article
3Preparedness and Prevention
4Contingency Plan and Emergency Procedures
6Water Quality Monitoring and Response Programs for Permitted Facilities
7Closure and Post-Closure
8Financial Requirements
9Use and Management of Containers
10Tank Systems
11Surface Impoundments
12Waste Piles
13Land Treatment
14Landfills
15Incinerators
15.7Drip Pads
16Miscellaneous Units
17Environmental Monitoring and Response Programs for Air, Soil, and Soil-Pore Gas for Permitted Facilities
28.5Air Emission Standards for Tanks, Surface Impoundments, and Containers
29Containment Buildings
California Code of Regulations, Title 22, Division 4.5

CHAPTER 18 — Land Disposal Restrictions

Article
1General
2Schedule for Land Disposal Prohibition and Establishment of Treatment Standards
3Prohibitions on Land Disposal
4Treatment Standards
5Prohibitions on Storage
10Land Disposal Prohibitions—Non-RCRA Wastes
11Treatment Standards—Non-RCRA Waste Categories
12Incineration Requirements of Certain Hazardous Waste
Appendix IToxicity Characteristic Leaching Procedure (TCLP)
Appendix IIIList of Halogenated Organic Compounds Regulated Under 66268.32: EPA Listed Compounds
Appendix III-aList of Halogenated Organic Compounds Regulated Under 66268.32: California Listed Compounds
Appendix IV to Chapter 18Wastes Excluded from Lab Packs Under the Alternative Treatment Standards of Section 66268.42(c)
Appendix VIRecommended Technologies to Achieve Deactivation of Characteristics in Section 66268.42
Appendix VII—Table 1Effective Dates of Surface Disposed Wastes (Non-Soil and Debris) Regulated in the Ldrs [Comprehensive List]
Appendix VII—Table 2Summary of Effective Dates of Land Disposal Restrictions for Contaminated Soil and Debris (CSD)
Appendix VIIILDR Effective Dates of Injected Prohibited Hazardous Wastes
Appendix IXExtraction Procedure (EP)
Appendix XIMetal Bearing Wastes Prohibited from Dilution in a Combustion Unit According to Section 66268.3(b)
California Code of Regulations, Title 22, Division 4.5

CHAPTER 20 — The Hazardous Waste Permit Program

Article
2Permit Application
3Permit Conditions
4Permit Changes and Denials
6.5Standardized Permits
Appendix IClassification of Permit Modifications
California Code of Regulations, Title 22, Division 4.5

CHAPTER 21 — Procedures for Hazardous Waste Permit Decisions

Article 1. General Program Requirements

Section TitleSection Number
Application for a Permit§ 66271.2
Statement of Basis§ 66271.5
Fact Sheet§ 66271.7
Administrative Record for Draft Permits§ 66271.8
Public Notice of Permit Actions and Public Comment Period§ 66271.9
Public Comments and Requests for Public Hearings§ 66271.10
Public Hearings§ 66271.11
Issuance and Effective Date of Permit§ 66271.14
Response to Comments§ 66271.16
Administrative Record for Final Permit§ 66271.17
California Code of Regulations, Title 22, Division 4.5

Additional Resources

Laws and Regulations

How to Be Involved in Rulemaking

Regulatory Assistance Office

Defining Hazardous Waste

U.S. EPA

Laws & Regulations Homepage

For Additional Questions, Contact the Regulatory Assistance Office

Toll-Free in CA: 800-728-6942 or 800 72-TOXIC
Outside CA: 916-324-2439
Email: RAO@dtsc.ca.gov

Last updated: October 4, 2023

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