Regardless of the method of well construction and type of pump to be installed, the top of the casing should be terminated at least ______ inches above land surface
The base plate of a pump placed directly over the well shall be designed to form a watertight seal with:
If there is a concern of boulders at a certain site, it may be better to drill an _________
The identification plate shall not be removed
The chlorine solution shall stand in the well for a period of minimum _____hours or more