The well head shall be equipped with a screened vent to allow for the pressure changes within the well unless:
What other materials and methods of disinfection can be used:
The well screen length is optimum when:
Within how many days should a well be grouted after the casing is set:
The mineral content in the Mountain region and most of the Piedmont is generally less than total dissolved solids of 100 mg/l (milligrams per liter)
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