Managing Hazardous Waste

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

Fee Payer Resources

Electronic Verification Questionnaire

Electronic Verification Questionnaire (eVQ) – EPA ID and manifest verification system

eVQ User Guide – Step by step instructions for completing the eVQ

eVQ Video Tutorial – Youtube Tutorial for completing eVQ

eVQ@dtsc.ca.gov – Email contact for eVQ filing questions or concerns.

Call: 1-877-454-4012

California Department of Tax and Fee Administration

CDTFA Online Services – CDTFA Account Login and Registration

CDTFA Video Tutorials – Youtube Tutorials for CDTFA Processes

CDTFA Hazardous Substances Waste Fee Guide – Quick reference guide providing fee definitions, rates, and payment information.

Email CDTFA – General, Non-Confidential Tax Questions

Call: 1-800-400-7115

Board of Environmental Safety

Board of Environmental Safety (BES) – Set hazardous waste fees, facility permitting appeals, program analysis.

BESinfo@bes.dtsc.ca.gov – Email contact for BES questions and concerns

Hazardous Waste Tracking System

HWTS Database – Verify manifest data

manifestcorrections@dtsc.ca.gov – Contact for errors on manifests