The well casing, pump column, and any other equipment above the water level in the well shall be rinsed with the chlorine solution as a part of the disinfecting process
A grout seal for clayey materials should be _______ or more
A surge plunger should not be used unless a sufficiently free flow of water has been established so that the tool runs smoothly
Haw is sacking used when removing a wells screen
Exploratory drilling may be done for (2) two reasons: