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measuring point prior to starting the pump; <br /> c. Measure and record the discharge rate at intervals of 10 minutes or <br /> less; <br /> d. Measure and record water levels using a steel or electric tape at <br /> intervals of 10 minutes or less; <br /> e. Continue the test for a period of at least one hour, and <br /> f. Make measurements within an accuracy of plus or minus one inch. <br /> 2. Air Rotary Drill Method <br /> a. Measure and record the amount of water being injected into the well <br /> during drilling operations; <br /> b. Measure and record the discharge rate in gallons per minute at <br /> intervals of one hour or less during drilling operations; <br /> c. After completion of the drilling, continue to blow the water out of the <br /> well for at least 30 minutes, and measure and record the discharge rate <br /> in gallons per minute at intervals of 10 minutes or less during the <br /> period, and <br /> d. Measure and record the water level immediately after discharge ceases. <br /> 3. Air Lift Method <br /> a. Measurements shall be made through a pipe placed in the well. The <br /> pipe shall have a minimum inside diameter of at least five-tenths of an <br /> inch and shall extend from top of the well head to a point inside the <br /> well that is below the bottom of the airline. <br /> b. Measure and record the static water level prior to starting the air <br /> compressor; <br /> c. Measure and record the discharge rate at intervals of 10 minutes or <br /> less; <br /> d. Measure and record the pumping level using a steel or electric tape at <br /> intervals of 10 minutes or less, and; <br /> e. Continue the test for a period of at least one hour. <br /> History Note: Substitute for NCAC 02C.0110 <br /> Eff. July 1, 2008; amended eff. October 23, 2009 <br /> Q. DISINFECTION OF WATER SUPPLY WELLS <br /> 1. Any person constructing, repairing, testing, performing maintenance, or <br /> installing a pump in a water supply well shall disinfect the well upon <br /> completion of construction, repairs, testing, maintenance, or pump <br /> installation. <br /> 2. Any person disinfecting a well shall perform disinfection in accordance with <br /> the following procedures: <br /> 30 <br />