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Monitoring Well Installation Work Plan - September 1999 <br /> STOCKTON GOLF & COUNTRY CLUB <br /> 3800 West Country Club Boulevard, Stockton, California <br /> 1.0. INTRODUCTION <br /> At the request of Mr. Dennis Sonnenburg of Stockton Golf & Country Club, Advanced <br /> GeoEnvironmental, Inc (AGE) has prepared this monitoring well installation work plan for 3800 <br /> West Country Club Boulevard, Stockton, California (site). The location of the site is illustrated on <br /> Figure 1. A plan of the site is illustrated on Figure 2. <br /> The San Joaquin County Public Health Services - Environmental Health Division (PHS-EHD) has <br /> directed by letter, dated 04 August 1999, that a work plan be prepared to define the lateral and <br /> vertical extent of the soil and ground water contamination at the site. This work plan is prepared in <br /> accordance with PHS-EHD and Central Valley Regional Water Quality Control Board(CVRWQCB) <br /> Guidelines for the investigation of underground storage tanks (UST) sites. This work plan provides <br /> a description of the scope of work and procedures for the installation of three around water <br /> monitoring wells. <br /> 2.0. BACKGROUND <br /> The site is located in an area of low topographic relief in the city of Stockton, San Joaquin County. <br /> California, west of the intersection of Country Club Boulevard and Ranier Avenue (Figure 1). The <br /> _ site is bordered to the north by the Calaveras River and to the south by the Stockton Deep Water <br /> Channel. <br /> 2.1. SITE DESCRIPTION <br /> The site has been utilized as a golf course for at least twenty years. The areas of investigation at the <br /> site are located near the golf cart storage building area and near the maintenance building area. <br /> 2.2. UNDERGROUND STORAGE TANK REMOVAL <br /> On 28 August 1990, one 1,000-gallon gasoline UST and one 1,000-gallon diesel UST were removed <br /> from the maintenance shop area and one 1,000-gallon gasoline UST was removed from the golf cart <br /> storage area at the site. Following the removal of the USTs. soil samples were collected from <br /> beneath each UST and submitted for laboratory analysis. The results of the analysis detected total <br /> petroleum hydrocarbons quantified as gasoline,diesel,kerosene and motor oil (TPH-g, TPH-d,TPH- <br /> - k and TPH-mo, respectively) at concentrations ranging as high a`s 89 milligrams per kilogram <br /> (mg/kg). Benzene, toluene, ethylbenzene and xylenes (BTEX) were detected at concentrations <br /> A1li-al7ced GeoEnNii-onmcntal.Inc. <br />