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3 . 3 Recovery Test Procedures <br /> Each recovery test shall be performed according to the following <br /> schedule. <br /> a. Turn pump off at the specified time. <br /> b. Contractor shall measure depth to water and record as follows <br /> (t' refers to time since pump shut off) : <br /> 1) Each minute, t' = 1 minutes to t' = 10 minutes. <br /> 2) Each 2 minutes, t' = 10 minutes to t' = 20 minutes. <br /> 3) Each 5 minutes, t' = 20 minutes to t' = 50 minutes. <br /> 4) Each 10 minutes, t' = 50 minutes to t' = 120 minutes. <br /> 3 . 4 Test Abort Procedures <br /> In the case of failure of the pump operation for a period greater <br /> than one percent (1%) of the elapsed pumping time from t = 0, the <br /> test shall be suspended until the static water level has been <br /> attained. <br /> 3 - 2 <br />