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\12/1 <br /> LAWRENCE MONITORING WELL PURGE AND SAMPLE SHEET <br /> RAs511C1A TEs <br /> ENHINEEPINH 6EHLH8Y Pro'ect Name: Diamond Pet, Ripon, CA Well No: OB-7 Date: 1/11/2016 <br /> C1 VIL ENHINEENINB <br /> GROUND-NATER HYePeIHHY <br /> Pro'ect No:010107.08 Task 1 Personnel: DK/DJ <br /> GAUGING DATA <br /> Water Level Measuring Method: 2-wire electric sounder Reference Point Elevation: 69.55 <br /> Total Depth Depth to Water Water Multiplier for Casing Total Purge <br /> WELL PURGE Column Volume Volume <br /> VOLUME (feet) (feet) feet Casing Diameter al al <br /> CALCULATION 1 2 4 6 <br /> 49 2°�.°t 8 q,D L x 0.04 .� 0.64 1.44 3 .04 - 9, 13 <br /> PURGING AND SAMPLING DATA <br /> Pure Method: 12-volt pump Pure De the <br /> Time 10 10 to La- 1014 S01 & <br /> Volume Purge <br /> al n <br /> Gallons Per <br /> Minute m 1 <br /> pH 11 E3 '2.S7� <br /> Temperature(C) 11 , 6° 1,00 s ° U3 <br /> E.C.(pmhos) 7-4- <br /> Turbidity/Color <br /> -¢Turbidity/Color <br /> Odor(YIN) <br /> Casing Volumes ti 3 <br /> Dewatered(YIN) <br /> Comm ents/Observations: <br /> Total Pure Volume: (gal) Disposal: evaporation/infiltration <br /> Weather Conditions: <br /> Condition of Well Box and Casing at Time of Sampling: <br /> Well Head Conditions Requiring Correction: <br /> Problems Encountered During Purging and Sampling: _ <br /> Comments: <br />