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0 <br /> WESTERN1386 EAST BEAN ER STREET <br /> GEO—ENGINEERS WOODLAND CA 95776-6003 <br /> 1Gi�l (530) 668-5300, <br /> CALIF CONTRACTOR#513857 FAX(530)662-0273 <br /> REGISTERED GEOLOGISTS wege@a mother com <br /> WORKPLAN: Lf1��C��� l"/ E�D <br /> INSTALLATION OF ADDITIONAL WELLS <br /> PUMP TEST, OCT 1 0 2000 <br /> AND AIR SPARGINGlVAPOR EXTRACTION PILOT TINTIRONMENT HEALTH <br /> PERMIT/SERVICES <br /> FOR: <br /> SANCHEZ PROPERTY <br /> 1876 COUNTRY CLUB BLVD , STOCKTON, CA <br /> OCTOBER 6, 2000 <br /> PURPOSE AND SCOPE <br /> WEGE (Western Geo-Engineers) was contracted by Mr and Mrs Manuel Sanchez to <br /> prepare the following workplan for the former gasoline underground storage tank (UST) <br /> site located at 1876 Country Club Blvd , Stockton, CA This workplan provides <br /> specifications for the installation of two lateral extent groundwater monitoring wells and <br /> an on-site groundwater recovery well to/for conducting a pump test and implementing an <br /> ' air sparging/vapor extraction pilot test WEGE recommended these investigative steps in <br /> a letter to the San Joaquin County Environmental Health Division (SJCEHD) dated <br /> February 9, 2000 The SJCEHD requested the preparation of a workplan to implement <br /> these recommendations in a facsimile dated May 26, 2000 (Appendix A) <br /> SITE LOCATION AND DESCRIPTION <br /> The site address is 1876 Country Club BIvd , Stockton, CA It is located at the southeast <br /> corner of the intersection of Mission Street and Country Club Blvd (Figure 1) The <br /> property is located in projected Section 4, TIN, R6E of the MDB&M at approximately <br /> five feet above mean sea level (Figure 2) <br /> The property previously contained two 1000 gallon gasoline Underground Storage Tanks <br /> (UST's), product dispensers, and associated underground piping (Figure 3) The UST's, <br /> dispensers, and piping were removed from the site in 1989 <br /> The property owner has installed five monitoring wells In the course of investigating the <br /> soil and groundwater conditions at the site <br /> Table I is a tabulation of groundwater monitoring results <br /> Table 2 is a tabulation of soil sample results <br /> 1 , <br />