Annual hazardous waste verification (eVQ)
Department of Toxic Substances Control
Last updated 06/29/2026
Launch service
Department website
Contact
Description
The eVQ System is how hazardous waste handlers file the required ID Number Verification Questionnaire to maintain the active status of their ID numbers.
Phone: 877-454-4012
Frequently Asked Questions
Are there FAQs regarding eVQ?
Yes, please go to: https://dtsc.ca.gov/hazardous-waste-id-number-verification-questionnaire/ for a full page of FAQs.
Related services
Hazardous Waste Tracking System Hazardous waste Regulatory Assistance Office
Topics
Businesses, Health and wellness, Safety and emergencies, State info and laws
Keywords
active status, hazardous waste, hazardous waste handlers, id number, verification