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r. <br /> A � � <br /> GFOUND ?{ATER MONITORING AND SAMPLING REPORT <br /> WORK PLAN FOR <br /> PRASE II SUPPLEMENTAL <br /> SITE INVESTIGATION <br /> California Department of Transportation <br /> Caltrans Shop 10 Facility <br /> treetS <br /> 1603 autaliforaia <br /> Stockton, <br /> August 9, 1991 <br /> 1.0 INTRODUCTION round water <br /> This report presents the results of tg}.ton eoacienceaand ato <br /> monitoring and sampling performed by <br /> pian for a Phase II - Supplemental Site Inv nation at th <br /> work p 5ubsurfare' COntamiCaltransyShop 10 <br /> evaluRte the extent of ortation, A site <br /> Street, Stockton, California. <br /> California Department of Transp <br /> Facility, 1603 South 8 Figure 1. <br /> vicinity map is shown in Fig <br /> ling reported by Woodward <br /> The proposed scope of work is based on the analytical results <br /> and same as survey <br /> of ground water monwcCriin 1987, results of a soil gas S . <br /> Inc. <br /> Clyde Consultants ( ]in performed by <br /> conducted by National Environmental <br /> andesampl g p <br /> May 1989; ground water mon9.May 19 tank removal and <br /> NET iso May 1988E n February 1989; and i <br /> WCC and analyzed by analysis at the sits: i Alton ! <br /> accompanying sail analysi sampling conducted by <br /> the recent monitoring <br /> Geoscience. <br /> 2.0 SITS DESCRIPTION south of Charter <br /> The facility is composed of a <br /> ' The site is located at 1603 South B Street � and storage. <br /> Way) , Stockton, California• air shop, office, <br /> a rep maintain, and store <br /> shop storage buildings used to repair, contained <br /> area. The facilitCaltrans. The site previously one <br /> gasoline storage tanks, one <br /> used by tank, and a 1, <br /> three 5,000-gallon underground g <br /> cellon underground diesel storageround water <br /> 5,000-g There are nine g <br /> gallon waste oil tank. <br /> monitoring wells onsite• . <br /> 3,0 pROJECT SACKGROUHD MW�xr -3, and <br /> wells (MW-1,depth <br /> Four of 50 feet below <br /> Fouground water monitr): roximate dep <br /> MW-4) were installed to an app <br /> t. <br /> 1 - <br />