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NO z s <br /> June 1, 1988 AGS Job No. 038032-2 <br /> UNOCAL Service Station No. 6981, Stockton, Ca' ifornia <br /> All drill cuttings generated during drilling will be left at the <br /> site on plastic sheeting and will be covered with plastic. <br /> Disposal of the soil will remain the responsibility of UNOCAL. <br /> Applied GeoSystems can arrange to ht.ve the soil treated or <br /> removed to an appropriate disposal facility with UNOCAL's <br /> authorization. <br /> Applied GeoSystems will contact: Underground Services Alert' (USA) <br /> to delineate public utility lines at the site before we begin <br /> drilling. UNOCAL will have a representative present on site to <br /> advise or confirm the location of soil borings with respect to <br /> underground utilities and other structures. <br /> MONITORING WELL CONSTRUCTION i <br /> The monitoring wells will be constructed using thread-jointed 2- <br /> inch inner-diameter schedule 40 PVC casing. No chemical cements, <br /> glues, or solvents will be used in well construction. The <br /> screened portion of the wells will consist of factory-perforated <br /> casing with 0.020-inch-wide slots. The well screen will extend <br /> from total depth of each well to a point approximately 20 feet <br /> --------. <br /> _....._._._below_the__groundsur.f.ace. This screen interval will allow <br /> 11 <br /> Applied 060SYstOMS <br />