Schedule of Materials Control
The Schedule of Materials Control outlines the minimum sampling and testing rates required for most materials used in Mn/DOT highway construction. It is inserted into project proposals, and is project specific.
Lab Testing & Inspections Rates
Rates Memo: Mn/DOT performs sampling, testing, & inspections for State, County, City, and other governmentally funded transportation projects. Other governmental agencies are required to reimburse Mn/DOT for this work. This is outlined in the Sampling, Testing, & Inspections Memo. (PDF 20KB 1pp).
Current Rates: (Effective January 10, 2013) for sampling, testing, & inspection are outlined in the Laboratory, Field Testing, and Inspection Rates (PDF 27KB 2pp). Former rates through January 9, 2013 (PDF 19KB 2pp).
IAST Program
Mn/DOT's Schedule of Independent Assurance Sampling and Testing Protocol (IAST) is used by Independent Assurance Personnel on all Federal Aid Construction Projects. The Independent Assurance Program provides a check on testing equipment and procedures for construction projects.
Independent Assurance Inspector Group (IAIG)
Contact the Mn/DOT District Independent Assurance Inspector when project starts to provide the proper servicing of your project.
Materials Links
- Aggregates
- Bituminous
- Concrete
- Geotechnical Engineering
- Grading and Base
- Lab Testing and Inspection
- MnROAD
- Pavement Design
- Pavement Management
- Research
- Seasonal Load Limits
Materials Manuals
Mn/DOT Resources
Directions to Mn/DOT Office of Materials
Show Google Maps page
Driving Directions
1. From downtown SAINT PAUL, MN get on I-35E North towards US-10/I-35E N. Drive for 3.8 miles.
2. Take exit number 111A to get on MN-36 East towards STILLWATER. Drive for 2.2 miles.
3. Turn LEFT onto ENGLISH STREET and go NORTH. Drive for 0.1 miles.
4. Turn RIGHT onto GERVAIS AVENUE and go EAST. Drive for 0.2 miles to reach the destination.



