The Hazardous Materials Program works closely with consultants.

Environmental Services Office (ESO) has contracted with environmental consultants to provide a wide variety of hazardous material services, from underground storage tank removals to complex remedial investigations.  The Hazardous Materials Program works closely with consultants on the Hazardous Material Services On-call Agreement to perform work needed by WSDOT.

The Hazardous Materials Program provides guidance documents that directs consultant work for WSDOT hazardous materials investigations.

More information regarding Statewide On-Call Consultant Agreements is available through the WSDOT Consultant Services webpage.