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

Solicitation 01A6690 is an on-call services agreement issued by the California Department of Transportation (Caltrans) for the delivery, pickup, transport, disposal, and recycling of hazardous waste. The scope of work covers Mendocino, Lake, Humboldt, and Del Norte Counties, specifically serving District 01 Maintenance Facilities and other designated sites within the district's right of way. The contractor will handle a variety of materials, including biological, environmentally regulated, universal, and laboratory packed waste, as well as petroleum-based asphalt and contaminated soil. Standard service requests must be fulfilled within five working days, while urgent requests impacting public health and safety require a response within four hours. To be eligible, bidders must possess several critical certifications, including a Class A General Engineering license, Hazardous Substance Removal (HAZ) certification from the CSLB, a US DOT Hazardous Material Certificate of Registration, a CHP Hazardous Materials Transportation License, and CalEPA DTSC Hazardous Waste Transporter Registration. All laboratory work must be conducted at CalEPA-certified ELAP labs. The contract emphasizes strict adherence to packaging and marking standards for RCRA listed waste, including specific steel drum ratings and sampling protocols per CCR Title 22. Bids are evaluated based on responsiveness, responsibility, and accuracy. A 5% preference is available for certified California-based Small Businesses or Microbusinesses, capped at 50,000 dollars. Prevailing wages are required if the total bid exceeds 15,000 dollars. Required deliverables for payment include signed final hazardous waste manifests, certified weight receipts, and a signed Hazardous Spill Diary. Bids must be submitted via mail or hand-delivery by the deadline of November 3, 2026.