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7 MONITORING WELL PURGE AND SAMPLE SHEET <br /> LAWRENCE <br /> &ASSOCIATES <br /> EN014EFRIN6 GEOLOGY <br /> CIVIL EASIDE <br /> E RI N6 <br /> GROUND WATER HYDROLOGY <br /> Pro'ect Name: Diamond Pet, Ripon, CA Well No: OB-25 Date: 07/05/2017 <br /> Project No: 010107.09 Task 3 Personnel: DK/DJ <br /> GAUGING DATA <br /> Water Level Mea ring Method: 2-wire electric sounder Reference Point Elevation: 59.18 <br /> Total Depth Depth to Water Water Multiplier for Casing Total Purge <br /> WELL PURGE (feet) (feet) Column CasinDiameter Volume Volume <br /> VOLUME feet g al al <br /> CALCULATION 33 11, l8 � = ZlR$Z� X 1 2 4 6 3 49 0.04 .16 0.E4 I." , iolQ� <br /> PURGING AND SAMPLING DATA <br /> Pure Method: 12-volt pump Pure Depth: 3a <br /> Time ORI(. Oct to 092.0 ogZ5 <br /> Volume Purge <br /> al 0 01 <br /> Gallons Per <br /> Minute m 2 <br /> pH <br /> Temperature(C) ($ S o Lo o¢ <br /> E.C. (pmhos) I b 9 (e I -f-III— <br /> Turbidity/Color <br /> Odor(Y/N) rt D <br /> Casing Volumes <br /> Dewatered(Y/N) c5 <br /> Com ments/Observations: <br /> Global ID: STL 5SJO23566 <br /> Total Purge Volume: } 1 y (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 />