Hazardous Waste Disposal Services in Mendocino, Lake, Humboldt, and Del Norte Counties

The California Department of Transportation (Caltrans) is soliciting bids under IFB 01A6671 for on-call hazardous waste disposal services within Mendocino, Lake, Humboldt, and Del Norte Counties. The scope of work includes the delivery, pickup, transport, and legal disposal or recycling of hazardous, biological, environmentally regulated, and laboratory packed waste from District 01 Maintenance Facilities. The contractor is responsible for waste assessment, profiling, sampling, and the provision of specific dual rated packaging materials, including steel drums that meet strict UN and CFR specifications. All hazardous or regulated non-hazardous waste must be processed at DTSC permitted facilities, with acceptance verified through signed manifests and certified weight receipts. The agreement is estimated to run from October 1, 2026, through September 30, 2029, with services performed during standard weekday business hours. Award will be granted to the lowest responsive and responsible bidder. To be eligible, contractors must hold multiple certifications, including a CSLB Hazardous Substance Removal certification, a DOT Hazardous Material Certificate of Registration, a CHP Hazardous Materials Transportation License, and registrations from Cal Recycle and the Department of Toxic Substances Control. Bids are due by September 3, 2026. The contract includes a five percent preference for certified Small or Microbusinesses, capped at 50,000 dollars, and requires prevailing wages if the total bid exceeds 15,000 dollars. Invoicing must occur within 15 days of receiving final disposal documentation and requires the submission of certified payroll records.