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MONITORING WELL PURGE AND SAMPLE SHEET <br /> LAWRENCE <br /> &ASSOCIATES <br /> ENGIKEERING GEOLOGY <br /> CIVIL EN6INEENIN6 <br /> GA➢➢N➢-NATER N,ORGLGG, <br /> Project Name: Diamond Pet, Ripon, CA Well No: OB-25 Date: 4/4/2016 <br /> Project No: 010107.08 Task 2 Personnel: DK/DJ <br /> GAUGING DATA <br /> Water Level Meas 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 Casing Diameter Volume Volume <br /> VOLUME feet al al <br /> CALCULATION 33 _ g X 1 2 4 6 _ <br /> 0.04 0.16 0.64 1.44 Z <br /> PURGING AND SAMPLING DATA <br /> Pure Method: 12-volt pump Pure De the 3Z.- <br /> Time 0 15i, Oq$-5 1000 <br /> Volume Purge <br /> al o <br /> Gallons Per <br /> Minute m 1 I <br /> pH q-1 Zd -7104- <br /> Temperature(C) )8,q° ,-° <br /> E.C.(pmho6) ZU ! to <br /> Turbidity/Color XTtj <br /> Odor(YIN) <br /> Casing Volumes <br /> Dewatered(YIN) <br /> Com ments/Observations: <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 />