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CaliforniaAB 14592025-2026 Regular SessionHouseWALLET

Hazardous waste: underground storage tanks.

Sponsored By: Sponsor information unavailable

Signed by Governor

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Bill Overview

Analyzed Economic Effects

7 provisions identified: 2 benefits, 2 costs, 3 mixed.

Labs can store and treat small waste

Labs that meet the law’s definition can keep up to 55 gallons of lab hazardous waste, or one quart of acutely hazardous waste, near where it is made. Labs can treat lab waste in containers without a facilities permit if they follow accepted procedures, treat within 10 days, and meet batch limits. Staff must have the required knowledge and hazardous waste training, and keep records. The Department can add extra lab rules when needed to protect health and the environment.

Small-quantity generators can treat without permit

If you treat no more than 500 pounds or 55 gallons of hazardous waste in a month, you do not need a facilities permit. The waste must be listed for permit‑by‑rule, not be extremely hazardous, and you must use the approved technology. You also must not need a permit for other hazardous waste activities at the site. The law also lists specific treatment activities that need no permit when you use the required technology and meet all construction, operation, and emissions conditions, such as mixing and curing resins, emptying containers up to 110 gallons, drying certain special wastes, magnetic separation, neutralizing some food wastes, gravity separation, and certain lab or quality control treatments.

Notice and cleanup rules for onsite treatment

You must notify the state and local agency at least 60 days before your first onsite treatment. The notice must include your facility ID, waste details, planned treatment, how you will handle residuals, and any enforcement history. You must follow generator standards, certify waste minimization every year, assess the environment when required, and promptly clean up hazardous contamination. The Department can revoke your conditional authorization if it finds endangerment or other listed causes. If you permanently stop a unit, you must decontaminate or remove wastes and notify the state and local agency; the state develops the notice form outside full rulemaking but holds a public workshop.

Clearer underground tank terms and exclusions

The law clarifies who is an owner or operator and what counts as a tank or underground tank system. It also lists exclusions, including some tanks of 1,100 gallons or less in specified cases. These definitions guide who must follow the underground storage tank rules.

Onsite hazardous waste treatment without permit

You may treat your own hazardous waste onsite without a facilities permit if you use the listed tank or container methods. Allowed options include phase separation, ion exchange, adsorption, and pH adjustment between 2.0 and 12.5. Most chemical additives, radiation, and electrical methods are banned; emissions are only allowed if they meet local air rules. Inorganics must be at or below 1,400 ppm; some organics and special wastes must be at or below 750 ppm; hexavalent chromium must be under 750 ppm; electrowinning cannot use hydrochloric acid. You may treat no more than 5,000 gallons or 45,000 pounds in a month, whichever is less, with some dilute aqueous and oily wastes exempt. You must manage and dispose of all treatment residuals and effluents under federal, state, and local rules.

Fees for permit-free waste treatment

Generators using these permit exemptions or conditional authorizations must pay the required state fee to the California Department of Tax and Fee Administration within 30 days of assessment. Some unified program and permit‑by‑rule situations are excepted by law.

Flexible equipment rules for tanks and sewers

If you treat waste only under this law, you may attest to ancillary equipment integrity every two years instead of retrofitting, unless federal law requires more. If integrity testing is not feasible for gravity sewer systems, you must use the department’s best feasible leak detection measures. If a leak is found, you must retrofit to meet secondary containment standards.

Sponsors & Cosponsors

Sponsors

There is no primary sponsor on record.

Cosponsors

There are no cosponsors for this bill.

Roll Call Votes

All Roll Calls

Yes: 211 • No: 0

House vote • 7/17/2025

Item 79 — Assembly AFLOOR

Yes: 74 • No: 0

Senate vote • 7/3/2025

Item 159 — Senate SFLOOR

Yes: 35 • No: 0

legislature vote • 6/18/2025

Vote in CS64

Yes: 6 • No: 0

House vote • 4/24/2025

Item 147 — Assembly AFLOOR

Yes: 75 • No: 0

legislature vote • 4/9/2025

Vote in CX25

Yes: 14 • No: 0

legislature vote • 3/25/2025

Vote in CX05

Yes: 7 • No: 0

Actions Timeline

  1. Chaptered by Secretary of State - Chapter 89, Statutes of 2025.

    7/30/2025Senate

  2. Approved by the Governor.

    7/30/2025legislature

  3. Enrolled and presented to the Governor at 11:30 a.m.

    7/25/2025legislature

  4. Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 74. Noes 0. Page 2594.).

    7/17/2025House

  5. In Assembly. Concurrence in Senate amendments pending.

    7/3/2025House

  6. Read third time. Passed. Ordered to the Assembly. (Ayes 35. Noes 0. Page 1933.).

    7/3/2025Senate

  7. Read second time. Ordered to Consent Calendar.

    7/1/2025Senate

  8. From committee: Be ordered to second reading file pursuant to Senate Rule 28.8 and ordered to Consent Calendar.

    6/30/2025Senate

  9. From committee: Do pass and re-refer to Com. on APPR. with recommendation: To Consent Calendar. (Ayes 6. Noes 0.) (June 18). Re-referred to Com. on APPR.

    6/18/2025Senate

  10. From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on E.Q.

    6/9/2025Senate

  11. Referred to Com. on E.Q.

    5/7/2025Senate

  12. In Senate. Read first time. To Com. on RLS. for assignment.

    4/24/2025Senate

  13. Read third time. Passed. Ordered to the Senate. (Ayes 75. Noes 0. Page 1279.)

    4/24/2025House

  14. Read second time. Ordered to Consent Calendar.

    4/10/2025House

  15. From committee: Do pass. To Consent Calendar. (Ayes 14. Noes 0.) (April 9).

    4/9/2025House

  16. From committee: Do pass and re-refer to Com. on APPR. with recommendation: To Consent Calendar. (Ayes 7. Noes 0.) (March 25). Re-referred to Com. on APPR.

    3/26/2025House

  17. Referred to Com. on E.S & T.M.

    3/13/2025House

  18. Read first time.

    2/24/2025House

  19. From printer. May be heard in committee March 24.

    2/22/2025House

  20. Introduced. To print.

    2/21/2025House

Bill Text

  • Chaptered

    7/30/2025

    HTML

  • Enrolled

    7/18/2025

    HTML

  • Amended Senate

    6/9/2025

    HTML

  • Introduced

    2/21/2025

    HTML

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