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ti�w�rJ <br /> LAWRENCE MONITORING WELL PURGE AND SAMPLE SHEET <br /> &ASSOCIATES <br /> ENGINEERFINGIYOED LO BY Project Name: Diamond Pet, Ripon, CA Well No: OB-21 Date: Jul S, 2013 <br /> CIYII NGEEHING <br /> GROHND-WATER HYDROLOGY <br /> Project No:010107.04 Task 3 Personnel: DK/DJ <br /> GAUGING DATA <br /> Water Level Measuring Method: Reference Point Elevation: 57.56 <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 /> CALCULATIONw� { X 1 2 4 6 <br /> 45 Y+k T r Z8,-n 0.04 1 0.64 1.44 <br /> PURGING DATA <br /> Pure Method: Pure De the <br /> Time !a 16S`& 10 g Ifcso <br /> Volume Purge <br /> al <br /> Gallons Per <br /> Minute m <br /> pH <br /> Temperature(C) <br /> E.C. (pmhos) �5 <br /> Turbidity/Color (P r5 � <br /> Odor(YIN) <br /> Casing Volumes <br /> Dewatered(YIN) <br /> Comments/Observations: <br /> Total Purge Volume: (gal) Disposal: JV cr(pw� <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 />