Hazardous Waste Disposal Services in Alameda, Santa Clara, San Mateo, San Francisco, Contra Costa, Marin, Solano, Sonoma, Napa Counties

The California Department of Transportation (Caltrans) is requesting bids on on-call hazardous waste disposal, transport, and recycling services across nine Northern California counties (Alameda, Santa Clara, San Mateo, San Francisco, Contra Costa, Marin, Solano, Sonoma, and Napa), with bids due October 20, 2026 at 2:00 p.m. A 25% Small Business participation goal applies, and a 5% Small Business preference is available for certified small businesses; a 5% Disabled Veteran Business Enterprise (DVBE) incentive applies to bids with 100% verified DVBE participation, capped at a combined incentive and preference ceiling of $100,000.

The scope includes on-call delivery, pickup, drop-off, transport, and disposal or recycling of hazardous waste, biological waste, environmentally regulated waste, and laboratory-packed materials, plus waste assessment, characterization, profiling, packaging, labeling, manifesting, and technical guidance to Caltrans. Services are performed during normal business hours (6:30 a.m. to 3:30 p.m., Monday through Friday) with four-hour emergency response capability when public health or safety is at risk.

Bidders must hold a valid Motor Carrier Permit, Class A General Engineering license with Hazardous Substance Removal (HAZ) certification, hazmat certifications from the U.S. Department of Transportation and California Highway Patrol, hazardous waste transporter registrations, EPA ID, and HAZWOPER training. The bid includes personnel rates (Lead Technician/Supervisor, Technician, Operator/Driver), equipment rates for specified vehicles, over 50 disposal cost line items by waste type and container size, and material costs for containers and supplies. The agreement commences November 30, 2026 and expires November 29, 2028, with an estimated award date of November 2, 2026. Written questions are due October 12, 2026 at 2:00 p.m. Estimated quantities serve as the basis for bid comparison only, with no guarantee of actual usage.