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WATER SAMPLE LOG <br /> Project Name: Banner Island,Stockton,CA Date: 921/95 <br /> Project Number. L067-H Sampler. Derek Armentrout <br /> Well Number. MW-4 Weather. sunny,70's <br /> Well Location: <br /> Well Construction SarnplingE moment& 1 n'ng . <br /> Date Completed: 3/10/92 Sampler Type: Teflon bailer <br /> Total Depth of Well: 403 Method of Cleaning: TSP wash/DI rinse <br /> Diameter. 4- Pump/Bailer Type: Grundfos <br /> Well Elevation and Reference: 98.74 well MW-3 Method of Cleaning: TSP wash/DI rinse <br /> pH Meter. Hydac <br /> Conductivity Meter. Hydac <br /> Ground Water Levels: Comments: <br /> Initial: 22.80 <br /> Final: 22.80 <br /> Reference Point: TOC <br /> Well Volume of Water. 11.4 gal <br /> SAMPLING MEASUREMENTS <br /> Spec.Conductance <br /> Discharge(gal.) Temp (mmhos/cm) Color/ <br /> Time Per Time Cumulative pH (°F) Field @ 25°C Turbidity Odor <br /> Period <br /> 17:53 start 0 <br /> 17:58 12 6.60 705 1020 yellow/low sit.petr. <br /> 18:02 24 6.97 693 982 clear/low none <br /> 18:05 35 6.98 69.1 978 1 <br /> w w <br /> sampled <br /> 114 <br /> Total Discharge: 35 gal Comments: sample for metals analysis filtered in field <br /> Casing Volumes Removed: 3.1 through 0.45-micron filter <br /> Method of Disposal: drummed on site <br /> HARZA WATER SAMPLE LOG <br /> Consulting Engineers and Selduir s <br /> DDA:BANLOGSMS A EVJtZA <br />