Definitions for "Test pit"
A small excavation at a hazardous waste site. Investigators dig test pits to get an idea of subsurface conditions at hazardous waste sites.
A method of examining soil by excavating a pit to permit direct examination of the materials in place and its degree of compaction, as well as permit test loads directly on what will be the foundation soils.
Pit dug for geologic investigation or inspection and testing of earthwork placement.