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Hazardous Materials and Solid Waste Program

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WSDOT has a responsibility to ensure that all hazardous materials (HazMat) and solid waste encountered or generated by the agency are handled in a manner that is:

  • Cost effective.
  • Environmentally responsible.
  • Protective of agency cleanup liability.

Successful management of HazMat stems from early planning and coordination between WSDOT staff, contractors, and regulators. WSDOT Hazardous Materials (HazMat) Specialists (pdf 138 kb) provide technical support to help the agency handle waste and manage contaminated materials. Chapter 447 of the Environmental Procedures Manual explains how WSDOT policy incorporates state and federal HazMat laws.
The material on this site supports and provides guidance to a technical audience.

Hazardous Materials Investigations and Documentation

  • Asbestos Surveys
  • HazMat Discipline Report
  • HazMat Section of the ERS or ECS
  • HazMat Special Provisions & Standard Specifications
  • HazMat Management Plans
  • Phase I Environmental Site Assessment
  • Phase II Environmental Site Assessment

Identifying & Sampling Hazardous Materials

  • Asbestos-Containing Materials
  • Collecting Soil or Water Samples
  • Lead-Based Paint
  • Sediment Sampling
  • Segregating Contaminated Material
  • Underground Storage Tanks

Spill Prevention Control and Countermeasures (SPCC)

  • SPCC Plan Guidance
  • SPCC Resources
  • Training

Reporting Hazardous Materials 

  • Dangerous Waste Reporting
  • Contaminated Soil or Groundwater Requirements
  • Highway Spills caused by the Traveling Public
  • Internal Reporting during Construction – ECAP
  • Spills from Construction Activities
  • Underground Storage Tank Requirements

Disposal, Reuse, and Recycling

  • Asbestos-Containing Materials Disposal
  • Cleanup Options during Construction
  • Contaminated Soil and Water Disposal Options
  • Creosote Treated Wood
  • Dangerous Waste Disposal
  • Lead-Based Paint Waste
  • Recycling and Reuse