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  5. ›Hazardous Waste Disposal Services in Mendocino, Humboldt…

California Department of Transportation·California

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

Closes 10/8/2026$500k – $2MInvitation for Bid
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Description

This solicitation seeks a qualified contractor to provide comprehensive hazardous waste disposal services for three Northern California counties—Del Norte, Humboldt, and Mendocino. The work includes the collection, transportation, and final disposal of inorganic hazardous waste, adhering to all state and federal regulations. Bidders must demonstrate current certification and licensing, including a valid California Motor Carrier Permit, an appropriate Contractors State License Board (CSLB) classification, and a Hazardous Substance Removal Certification (HAZ). The contract will be awarded to the responsive bidder who meets the minimum qualifications and offers the best value for the specified services. • Collect, transport, and dispose of inorganic hazardous waste for Del Norte, Humboldt, and Mendocino counties. • Maintain a valid California Motor Carrier Permit and appropriate CSLB license classification throughout the contract term. • Possess a Hazardous Substance Removal Certification (HAZ) as a prerequisite for participation. • Comply with all applicable California hazardous waste handling, reporting, and disposal regulations. • Provide documentation of compliance and certifications as part of the bid submission.

Attached files

Contact

Matthew Stephens

[email protected]

Key dates

Opened
9/22/2026
Closes
10/8/2026

Last updated

Details

Type
Invitation for Bid
Industry
Utilities and Waste Management
NAICS
562112
Solicitation №
01A6672

Budget estimate

$500,000 – $2,000,000

No explicit budget is disclosed in the documents. Based on typical state contracts for hazardous waste disposal covering multiple counties, a reasonable estimate would range from roughly $500,000 for a modest, short‑term collection/disposal effort up to $2,000,000 for a larger, multi‑year service agreement that includes extensive transportation logistics and compliance reporting. Factors influencing the final amount include the volume of waste to be handled, distance between collection sites and disposal facilities, and any additional regulatory reporting requirements.

AI estimate from the solicitation

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