Grout may be introduced by a pump through a pipe that may be introduced into the _______ outside the casing
What conditions can be found in corrosive water where the pH is lower 7:
When might spacing between wells in well point system be less than 25ft
Grout shall extend outward in all directions from the casing wall to a minimum thickness equal to either _________of the diameter of the outside dimension of the casing or ____ in, whichever is greater
A certified well contractor of the appropriate level is not required on site for all activities