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WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ2
841ee1a9-ca2e-4ecc-a7db-8b44d1289146
After chlorination, how long should the well be pumped before placing the well back into use:
Chlorine tested at 50ppm in water
Until water changes color
When water changes temperature
No detectable chlorine is found
When an open borehole has been drilled below the depth to which the casing is to be grouted, what must happen:
Lower part of the hole must be backfilled
A bridge must be set in the hole
Sticks should be placed in frame
Both A & B
A well may be permanently abandoned when the following occurs:
Owner allows non owner to service well
Owner maintains the well
Becomes a source of contamination to groundwater supply
All of the above
For water well drilling, a weight of about _____ lb per gallon is desirable:
2
5
8
9
What is the general accepted rate for determining compressor capacity
¾ cubic ft of air per gallon of water
2 cubic ft of air per 2 gallons of water
½ cubic ft of air per 3 gallons of water
None of the above
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