Qualified Products List
The QPL is a listing of construction materials and products that have been evaluated and approved for use on WSDOT projects. Use the links below to search products, view HMA mix designs, or reference acceptance codes.
QPL User Guide – How to Search and Navigate
Product Search
Search by manufacturer and location or by Standard Specification section.
QPL Book Report
View and print the complete Qualified Products List organized by specification and manufacturer.
HMA Mix Designs
View approved Hot Mix Asphalt mix designs by paving contractor.
Acceptance Codes
Reference table of acceptance codes and their criteria.
General Notes
Reference notes organized by specification category.
FAQ
Frequently asked questions about the QPL process.
Reference Documents
Contact Materials Lab
Last published: October 15, 2026 8:55 PM PDT