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w I MONITORING WELL PURGE AND SAMPLE SHEET <br /> LAWRENCE <br /> &ASSOCIATES <br /> ENR I N ERA f NR RERERRY <br /> . I ENRINE ERI Na <br /> RRRRNR-WATER HYDROLOGY <br /> Project Name: Diamond Pet, Ripon, CA Well No: OB-1 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: 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 52X 1 2 4 6 <br /> S8 — ,4 Z o.� 0.64 1.44 3Ib"B <br /> PURGING AND SAMPLING DATA <br /> Pure Method: 12-volt pump Pure De the 4,15Q <br /> Time 09410 6,R A 9 6-2L <br /> Volume Purge AA �j <br /> al — HCl -1 e 0 <br /> Gallons Per <br /> Minute m +5 <br /> pH <br /> Temperature(C) RAP <br /> E.C.(pmhos) t g <br /> Turbidity/Color <br /> Odor(YIN) <br /> Casing Volumes <br /> Dewatered(YIN) <br /> Comments/Observations: <br /> Total Purge Volume: 13, s (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 />