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rt <br /> 4U,y <br /> ~' Monitoring well InS'tallation work Plan • Our Job P89018 <br /> Overhead Door Corporation May 15, 1989 <br /> Lodi, California Page 3 <br /> 3 . 0 SAMPLING PLAN <br /> Soil and ground water samples would be collected to establish <br /> subsurface profiles, characterize the existing soils, assess <br /> the impact, if any, the past discharge practices have had on <br /> the soil and ground water. Soil samples would be taken at <br /> five ( 5) foot intervals throughout the boring through the use of <br /> pre-cleaned stainless steel tubes. The tubes would be placed <br /> in a split-barrel sampler which would be advanced into the <br /> undisturbed soil by a 140-pound hammer repeatedly falling <br /> 30 inches. The blow counts necessary to advance the sampler <br /> would be recorded for each 6-inch interval. The borings would be <br /> terminated at a depth of 70 feet, or 20 feet below ground water <br /> depth, whichever depth is achieved first. Subsequent to the well <br /> installation and development, ground water samples would be <br /> collected for analytical testing. <br /> Soil samples would be immediately sealed in the liners using <br /> aluminum foil and plastic caps. water samples would be collected <br /> in sterile glass jars with teflon liners and preserved with <br /> nitric acid. Soil and water samples would be properly labeled <br /> including: the date, time, sample location, project number, and <br /> indication of preservatives added to the sample. The samples <br /> would be placed on ice immediately for transport to the <br /> laboratory under chain-of-custody documentation. <br /> 4 . 0 ANALYTICAL TESTING <br /> Representative soil samples and ground water samples would be <br /> submitted for analytical testing to determine the constituents in <br /> the soil and ground water. A minimum of five ( 5 ) soil samples <br /> would be selected from throughout the boring to be submitted for <br /> analytical testing. These samples would be tested for: <br /> pH <br /> Major Ions <br /> Metals ( Zn and Ni ) <br /> Ground water samples will be tested for: <br /> TDS <br /> Major Ions <br /> Metals ( Zn and Ni ) <br /> COPY BSK <br /> Asv,(wlo <br />