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PARKER ENVIRONMENTAL SERVICES <br /> LOG OF WELL SAMPLING ACTIVITIES <br /> Cheaper Store#37 <br /> Well Identification MW-4 Project Name 15 East Grantline Road Tracy,CA Date 6127199 <br /> Sampled by James Lowe Weather Conditions <br /> Well Location Well Casing Diameter Depth of Well Casing 2390 <br /> Measuring Point Top of PVC Casing Intbal Depth to Water 565 Final Depth to Water Not measured <br /> Casing Volume(1 vol 13 vol) 2 918 9 Well Borehole Volume <br /> Purging Method Centrifugal Pum enstaftic Pump Sampling Method Peristaltic Pum <br /> Grundfos Submersible Pum Grundfos Submersible Pump <br /> Centrifugal Pum S-60 Submersible Teflon Bailer <br /> ES-401-60 Submersible Pump X ES Sub Pump c1 L/min X <br /> Purging Rate See below Total Discharge 10 Casing Volumes Purged 345 <br /> Comments <br /> Waste Water Disposal To drum <br /> Starting Time 1015 <br /> Time Pump on <br /> Date Time Gal Purged pH T deg F Diluted S C Dd Factor S C (PS/cm) Color <br /> 6127M x = <br /> 10 22 8 813 727 x 7590 <br /> 1024 as 812 728 x = 7680 <br /> 10.25 9 811 728 x = 7630 <br /> 11026 95 809 734 x = 7600 <br /> x <br /> x - <br /> x - <br /> x - <br /> x <br /> X , <br /> Sample Identification 92137/MW-4 Sample Time 1028 <br /> TURBIDITY ANALYSIS <br /> Finishing Time Time Analyzed NTIJ Value <br />