The literature review presented in this chapter describes the DOT certification programs and how they were developed in different ways, in part due to the flexibility found in 23 CFR 637B. Included is ...

From collecting soil and water in the field to processing them in the lab, environmental sampling is a precise science. Every step—from choosing the right tools to proper storage—can make or break ...

AMES, Iowa – The underground tiles that drain farm fields can release water into remote and shallow waterways. It’s not ...