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7 MONITORING WELL PURGE AND SAMPLE SHEET <br /> LAWRENCE <br /> & ASSOCIATES <br /> fY61MEERIX6 6FR146Y <br /> CIYII EYG IMFERIX6 <br /> 6RRNXRWgTFR NYRR4l44Y <br /> Project Name: Diamond Pet, Ripon, CA Well No: OB-11 Date: 07/09/2018 <br /> Project No: 010107.10 Task 3 Personnel: DK/DJ <br /> GAUGING DATA <br /> Water Level Measuring Method: 2-wire electric sounder Reference Point Elevation: 68.38 <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 43.5 T 1 2 4 6 <br /> (:= 16.b I X 0.04 i 0.64 1.44 I T = <br /> PURGING AND SAMPLING DATA <br /> Pure Method: 12-volt pump Pur a De the — 4-1 � <br /> Time 1041 143 1045 loo <br /> Volume Purge <br /> (gal) O 4 $ IL <br /> Gallons Per <br /> Minute m Z_ <br /> pH <br /> Temperature(C) e a <br /> 20,5 yo.3 20.5 <br /> E.C. (pmhos) I I g L 115$ <br /> Turbidity/Color <br /> Odor(Y/N) <br /> Casing Volumes <br /> Dewatered(Y/N) <br /> Com ments/Observations: <br /> i <br /> Global ID: STL 5SJ023566 <br /> Total Purge Volume: 17, (gal) Disposal: evaporation/infiltration <br /> Weather Conditions: <br /> Condition of Well Box and Casmq at Time of Samplm <br /> Well Head Conditions Requiring Correction: <br /> Problems Encountered During Purging and Sampling: <br /> Comments: <br />