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1 <br /> Wm. J. Hunter & Associates 2220 Loma Vista Dr <br /> Registered Geologists Sacramento, CA 95825 <br /> Petroleum & Mineral Appraisers (916) 972-7941 <br /> FAX (916) 972-1683 <br /> 1 <br /> WORKPLAN ADDENDUM TO WORKPLAN DATED NOVEMBER 13 , 1995 , <br />' ADDITIONAL SOIL/GROUNDWATER INVESTIGATATION <br /> 2315 NO. ELDORADO STREET, STOCKTON <br /> SITE CODE 2080 <br /> Prepared by <br />' Wm. J. Hunter & Associates <br /> February 14 , 1996 <br /> 1 PURPOSE OF WORK: <br /> Results of laboratory analyses of groundwater samples obtained <br /> from three (3) monitoring wells placed on the property in 1994 & <br /> 1 1995 indicate the possibilyty of an additional source of contami- <br /> nation caused by leakage from the dispensing pumps or product <br /> lines . <br /> Prior investigative work had indicated that the removed gasoline <br /> UST' s may have caused some of the soil and water contamination, <br /> although soil samples taken beneath the UST' s did not reveal any <br /> gasoline compounds . Soil contamination was encountered at a <br /> shallower depth in MW-3 than in any of the four soil borings or <br /> the two monitoring wells; it is the closest to the pump island. <br /> Groundwater contamination is present in all three monitoring <br /> wells, but is significantly higher in MW-3 , although it is not in <br /> a downgradient position. These two factors, (shallow soil <br /> ' contamination & high levels of BTEX in the water, ) suggest that <br /> the pump island may be the mayor source . <br /> This workplan is for the purpose of investigating whether or not <br /> ' the dispensing pumps and/or product lines have contributed to the <br /> gasoline compounds found beneath the site, and attempt to deter- <br /> mine the limits of soil & groundwater contamination at the north- <br /> west, southwest, and southeast corners of the property. <br /> PROPERTY LOCATION: <br /> ' 2315 No. E1 Dorado Avenue, Stockton, CA <br /> PROPERTY OWNER & CONTACT PERSON: <br /> ' Stephen Valentine, 6232 Hemet Ave . , Stockton, CA 95207 , (209) <br /> 477-3471 <br /> 1 LEGAL DESCRIPTION: <br /> The property consists of approximately 1/10th acre, located on <br /> ' the southwest corner of No . E1 Dorado Ave. & Castle Street . <br /> The Assessor' s parcel number is 125-100-17 . <br /> 1 <br />