WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ2

The entire depth of the well shall be sounded before it is sealed to ensure freedom from obstructions that may interfere with sealing operations

If there is a concern of boulders at a certain site, it may be better to drill an _________

Driven wells can be installed only in soft formations free from ________

What other materials and methods of disinfection can be used:

Grout may be introduced by a pump through a pipe that may be introduced into the _______ outside the casing