Materials Lab
- Contacts
- TL-543
- NEW! Section 39, HMA "Hot Mix Asphalt" and Associated SSPs
- Rubberized Hot Mix Asphalt
- HMA and Concrete Plant Certification CTM 109
- Independent Assurance Program (IAP)
- Structural Section Request Information
- Check List for Construction Sampling
- Pavement Deflection Study
- Pavement coring
- Resistance to Deformation of Aggregates and Soils Under Traffic Loads (R-Value)
- Culvert Studies
- Certified Materials Testers List
- Materials Delivery Timeline (PDF 208K)
Laboratory Policies and Procedures
- 2006 Standard Specifications
- 2006 Standard Plans
- 2006 Standard Specifications Digest of Major Changes
- California Test Methods
- Lab Procedures
- Highway Design Manual
- Construction Manual
- Acceptance Testing Turnaround Times
- Aggregate Process Testing
- HMA Acceptance Testing
- Lab Workload Priority
- Correcting Errors in TL-101s and/or Submitted Samples
- Disposal of Test Samples
- Nuclear Density and Asphalt Gauge Procedures
- Laboratory Safety Manual
District 01 Field Labs
CalTrans Trinity County Field Laboratory
Main Laboratory
1726 Albee st.
Eureka, Ca. 95501
445-6373
Field Laboratory
Mercer Fraser HMA Plant
Hwy 36
Dinsmore (Lab currently closed)
Trinity County is primarily in District 02. Please contact the District 02 Materials Lab at (530) 225-3194 for more information.