Laws, Regulations, and Policies - Regulations


CA State Regulations

Title 22

The Department of Toxic Substances Control's (DTSC) hazardous waste regulations are located in the official version of the California Code of Regulations (CCR) at Title 22 Social Security, Division 4.5, Environmental Health Standards for the Management of Hazardous Waste. (These links go to the Westlaw website and will open in a new tab/window.)

Click on the "List of CCR Titles." Scroll down to Title 22, Social Security and click on that link. Scroll down to Division 4.5 Environmental Health Standards for the Management of Hazardous Waste and click on + which opens up all the Chapters. Click on the + next to any Chapter which opens up all the Articles in that Chapter. Click on + next to Articles which opens up the Sections in that Article.

You can also easily search this web site by words/subjects and specific titles or sections at the above link. The website is maintained by Thompson Reuters under contract with the Office of Administrative Law and is updated weekly.

NOTE: You can easily and quickly convert the language of the section(s) searched into:
A Word document – by selecting the entire section and copying it into a blank Word document.
A PDF document – by selecting "Convert web page to PDF" from the convert pull-down menu on the Internet Explorer tool bar. You can then manipulate the information at your leisure.

How to Be Involved in the Rulemaking Process


Go to Public Notices on Policies, Regulations and Statutes to review regulation packages undergoing public comment periods.

DTSC Emergency Regulations

DTSC adopts emergency regulations when it determines, and the Office of Administrative Law concurs, that there is an immediate need for a regulation to protect the public health and safety or the general welfare. Typically, emergency regulations stay in effect for 180 days, during which DTSC conducts its rulemaking process to permanently adopt the regulations.

Emergency Regulations Effective
2nd Re-adoption - Determining the Initial Penalty for Each Violation (Amending Section 66272.62) 04/03/19 07/03/19


DTSC Regulations under Development

DTSC often conducts workshops or other preliminary activities prior to conducting a formal rulemaking under the Administrative Procedure Act. Regulations under Development pages contains preliminary language, workshop information, or other documents that may be of interest to the public and regulated community.


DTSC Proposed Regulations

The following list shows all the proposed regulations and the accompanying public comment period, or those regulations pending a decision from the Office of Administrative Law.


DTSC Final Regulations

Recently adopted regulations are presented here for easy reference. These listed documents will help you research what changes were made and why.

DTSC maintains files of all adopted regulations from 1978 - present at it's Headquarters Office located at 1001 "I" Street, Sacramento CA 95814. You may view and/or copy materials from these regulations packages at a rate of .15 cents/page. If you know the reference number for the package you wish to obtain, you may request it electronically from the regulations coordinator, free of charge. To make an appointment to view files or request an electronic document, e-mail


Final Regulations Archive
This archive lists final regulations with effective dates older than one year.