A compressor used for air surging a well should be capable of developing a maximum pressure of between __________ psi and ___________ psi>
Chlorine shall be placed in the well in sufficient quantities to produce a chlorine residual of at least:
After chlorination, how long should the well be pumped before placing the well back into use:
Where in the space should the introduction of grout occur first:
Why is development work important for water wells
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