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r. <br /> CLAYTON ENVIRONMENTAL CONSULTANTS, INC. <br /> WATER SAMPLING FIELD SURVEY FORM <br /> i . <br /> rr\ <br /> Job No: 32649.00 Site: Orchard Supply Hardware-Tracy Date: 1115191 <br /> Well No: MW-1 Sampling Team: Richard Silva <br /> Sampling Method: Electric submersible pump for purging; disposable bailer for sampling <br /> j - Field Conditions: Clear skies, cool, windy, " 50°F <br /> i <br /> Describe Equipment Decontamination Before Sampling This Well: <br /> ^" Wash with concentrated cleaning solution,steam cleaned then rinsed with deionized water <br /> i <br /> Total Depth Depth to Water <br /> to Well: 24.63 feet Time: 1400 Before Purging: 9.51 feet <br /> i t <br /> Volume <br /> Purge <br /> g <br /> 1 t Height of2-inch 4-in2h Volume Factor <br /> Water <br /> Column: 15.12 * .16 .63 = 9.$3 * 4 39.31 <br /> From,- 23 feet Purging Time Purging Begins: 1415 - <br /> Notes an Initial Discharge: Clear water, no product odor <br /> r:} <br /> x { , <br /> 1420': . 10 7.4 2700 20.7C BrowtLtsh, sflty water <br /> 1426 20 7.3 2650 20.70C No product odor <br /> f <br /> E 1430: 30 7.4 270Q 2Q.7°C <br /> i <br /> 1,J 1435 ` 40 7.4 27U0 2Q.7°C <br /> { r 3 7 <br />