The WRSC has an extensive inventory of aggregate preparation and testing equipment and facilities. Approximately 1,000 square feet of existing laboratory space is devoted to aggregate/soil preparation ...

Citation: Shear, B. R., Whitfield, E., & Nath, K. (2025). Investigating the relationship between sample size and reliability of aggregate test score measures in Colorado schools. Boulder, CO: The ...

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ABSTRACT During the 1980s, the U.S. Environmental Protection Agency (EPA) incorporated the R factor into fuel economy calculations in order to address concerns about the impacts of test fuel property ...

The Michigan Department of Transportation failed to provide documentation showing proper inspections of aggregates and aggregate suppliers used in road construction projects, according to an audit ...