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Heavy-duty Steel Well-Head Box <br /> with bolted cover and 'O"-ring seal <br /> Lockable Water-Tight Well Cap <br /> _ Ground Surface <br /> C - Concrete <br /> Bentonite-Cement <br /> y Bentonite Seal <br /> *- Water <br /> Table <br /> No.2 Monterey Sand <br /> a as Filter Pack <br /> 0 <br /> r <br /> N <br /> 2-in. Dia. PVC Well Casing <br /> with 0.02-in.Aperture <br /> Machine cut slots <br /> N <br /> Conical Casing Cap <br /> c <br /> NOT TO SCALE <br /> TYPICAL GROUNDWATER MONITORING WELL <br /> Former Filling Station at 7500 West Eleventh Street <br /> Tracy, California <br /> Project Number: 9902.011 <br /> FIG. 11 The San Joaquin Company, Inc. Drawn by: GNM Date: 05/28/99 <br />