How to bid on Hazardous Waste Disposal Services for the Department of Transportation

What the agency is buying

The Department of Transportation is looking for vendors to provide hazardous waste disposal services. This opportunity, solicitation 11A4303, covers services needed in San Diego and Imperial Counties, California. This is an Invitation for Bid (IFB), meaning the agency expects to award to the lowest-priced, responsible bidder who meets all specifications.

Key dates and deadlines

The deadline for submitting your bid is September 10, 2026, at 5:00 PM ET. All responses must be submitted by this time. Late submissions are typically not accepted for IFBs, so plan to submit your bid well in advance of the deadline.

Who this opportunity suits

This opportunity is suitable for businesses specializing in environmental services, specifically hazardous waste management and disposal. Firms with experience operating in San Diego and Imperial Counties, California, and with the necessary permits and capabilities for handling hazardous materials, will find this relevant. The category for this work is environmental services.

How to respond

To access the full requirements and instructions for responding, you need to go to Cal eProcure, California’s eProcurement portal. You can view the posting and its associated documents without needing an account. However, to submit your response, you will need to sign in to a free Cal eProcure account. Follow the specific submission directions provided within the posting before the deadline.

The point of contact for this solicitation is Michael Dean.

Tips for preparing a competitive response

For an Invitation for Bid (IFB), your primary focus should be on providing the most competitive price while ensuring you meet every single specification outlined in the solicitation. Review all documents carefully to understand the scope of work, required certifications, and any specific disposal methods or reporting standards. Any deviation from the specifications could lead to your bid being rejected.

Ensure all required forms are completed accurately and thoroughly. Double-check that your pricing is clearly presented and covers all aspects of the requested services. Confirm your business holds all necessary licenses and permits for hazardous waste disposal in California, and be prepared to provide proof if requested. Submitting a complete, compliant, and cost-effective bid is crucial for IFB opportunities.