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1 MONITORING WELL PURGE AND SAMPLE SHEET <br /> LAWRENCE <br /> & ASSOCIATES <br /> ER-GI M EE RIRB CEYL06Y <br /> CIVIL ERCIREERIRC <br /> CRCCRR,RRRER RYRRRLRRY <br /> Project Name: Diamond Pet, Ripon, CA Well No: OB-1 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: 66.91 <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 B2X 1 2 4 6 <br /> .21101 = 3p,gq o.oa o.1s 1 0.64 1 1.44 <br /> PURGING AND SAMPLING DATA r <br /> Pure Method: 12-volt pump Pure Depth- Aq <br /> Time 1053 1055- 105 7 <br /> Volume Purge <br /> al 0 + S 12- <br /> Gallons <br /> ZGallons Per <br /> Minute m) <br /> pH x,13 Z 7. 11- <br /> Temperature <br /> . 12Temperature(C) 3a ZO'3® 00, 1 <br /> E.C. (pmhos) I S C?d- fi 6 10 I 6.2 t7 <br /> Turbidity/Color <br /> Odor(YIN) <br /> Casing Volumes <br /> Dewatered(Y/N) <br /> Comments/Observations: <br /> Global ID: STL 5SJO23566 <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 />