NM CID MS-3 Practice Questions - New Mexico CID MS-3 Cesspools, Septic Tanks And Sewers Examination Exam

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A water-pressure watertightness test of a treatment unit under NMAC 20.7.3.203 (2005) is passed when the unit is sealed, filled, allowed to stand 24 hours, refilled, and then:

Emptied immediately if no leaks are visible Holds the water level for 60 minutes Loses no more than 10 percent in 8 hours Shows a wet spot smaller than 2 inches

Correct Answer:

Holds the water level for 60 minutes

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