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a` r <br /> KAPREALIAN ENGINEERING, INC. <br /> K E Consulting Engineers <br /> 535 Main Street <br /> Martinez,Ca.94553 <br /> (415)372-5444 <br /> MONITOR WELL CONSTRUCTION <br /> MOBIL SERVICE STATION #10-NP4 <br /> 2375 Tracy Blvd . <br /> Tracy, California <br /> MW-5 <br /> Well completed to 20 feet in depth with 4-inch , Schedule 40 PVC <br /> casing, flush-threaded joints . Screen (0.020 inch slot) .set from <br /> 20 to 4 feet . Number 6x12 and 12x20 Monterey sand placed from 20 <br /> to 3 feet . Bentonite pellets placed from 3 to 2. 5 feet . <br /> Concrete seal placed from 2. 5 to 0 feet . <br />