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7 MONITORING WELL PURGE AND SAMPLE SHEET <br /> LAWRENCE <br /> &ASSOCIATES <br /> ER 6I XEE RING 6E OL O,Y <br /> C I VIL EYGIRE ERIRG <br /> GROUND WATER XYOROL00Y <br /> Project Name: Diamond Pet, Ripon, CA Well No: OB-21 Date: 07/09/2018 <br /> Project No: 010107.10 Task 3 Personnel: DK/DJ <br /> GAUGING DATA <br /> Water Level Mea ring Method: 2-wire electric sounder Reference Point Elevation: 57.56 <br /> Total Depth Depth to Water Water Multiplier for Casing Total Purge <br /> WELL PURGE (feet) (feet) Column Casing Diameter Volume Volume <br /> VOLUME feet al al <br /> CALCULATION 45 i X 1 4 6 <br /> 16, o , = L6,3( a.o4 o.,fi 0.64 44 4.S = <br /> PURGING AND SAMPLING DATA <br /> Pure Method: 12-volt pump Pure Depth: — 47 <br /> Time QgLI 087-3 0825 082 <br /> Volume Purge <br /> al Ar I L <br /> Gallons Per <br /> Minute m Z <br /> pH <br /> Temperature(C) <br /> E.C.(pmhos) &S(� Sol <br /> 4 3 6 b <br /> Turbidity/Color y9 <br /> Odor(Y/N) <br /> �O �o <br /> Casing Volumes <br /> Dewatered(Y/N) �0 <br /> Comments/Observations: <br /> Global ID: STL 5SJ023566 <br /> Total Purge 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 /> k <br /> I <br />