Often, the soil collected for routine nutrient analysis exceeds the amount needed for laboratory nutrient analysis. Rather than discarding the excess soil, it can be placed into another sample bag for ...

This chapter addresses the common practices and test methods (standards) that are used for certification programs for the basic material categories of soils and aggregate, asphalt mixture, and ...

Checklists can be obtained by emailing Lisa Cody. Please specify which checklist you would like to receive in your email. Find information on American Association of State Highway and Transportation ...

The Materials Manual contains all the testing procedures that are agency created, modified, or adopted in part. There are 95 field operating testing procedures and 11 materials standard operating ...

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 ...

The practices and methods listed were compiled from information found on the DOT’s website or from a document or documents on their website. AASHTO standard specifications begin with an “M,” practices ...