WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ1

What two types of sand are recommended to be used for backfilling a hole to prevent slurry from penetrating more than 2-3 inches?

What is the typical drying time for Portland cement?

The base plate of a pump placed directly over the well shall be designed to form a watertight seal with:

Wells constructed for the purpose of monitoring for the presence of vapors associated with regulated tanks does not need a locking cap

A surge plunger should not be used unless a sufficiently free flow of water has been established so that the tool runs smoothly