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AM <br /> P+ <br /> p. Taichert & Son <br /> Soils and Groundwater Assessment <br /> 103 N. E, Street <br /> Stcuktcn, CA <br /> This Report reviews pricy, findings Dy J.h. Kleinfelder & Associates <br /> 1987, and LEM-E Corporation dated December <br /> in Report dated April 3, <br /> 12, 1987, and finding of this investigation relating to soils and <br /> groundwater contamination of this site. <br /> Intro�Il <br /> The property being investigated is bound on the east by North E <br /> Street, on the north by the Railroad, on the west by "p" Street <br /> and the south by Weber Avenue. The property is used as a <br /> construction yard for storage and maintenance of equipment and as <br /> in the last 30 or more <br /> a fueling site. The use has not changed <br /> years. Prior to Teichert acquiring the site, it was used as an <br /> mm• asphalt hot mix plant. <br /> �i <br /> �,. <br /> The subject site is located at 103 North "E" Street in Stockton. <br /> -� It is bound by Weber Street on the south, "E" street on the east, <br /> the railroad on the north and "D" Street and the extension thereof <br /> .'J on the west. Two..underground-gasoline tanks and one.waste oil tank , <br /> were removed in the Fall of 1986. one -additional underground tank <br /> µy was removed in the `Summer of 1988. <br /> The fuel leak occurred on the property prior to the Fall of 1986: <br /> J.A. Kleinfelder and Associates prepared a Report of soil and <br /> Groundwater Assessment, dated April 27, 1987, on th6 site. The <br /> �^ F.eport stated the results of eleven soil borings of which ,three <br /> were completed as monitor-wells. Forty-:. :ur soil samples and three <br /> - groundwater samples were analyzed for total petroleum hydrocarbons <br /> and 'aromatic hydrocarbons (BTX) . The conclusion was that <br /> approx+.mately 10oo cu.yd. of soil had been affected by leaking <br /> or associated piping and that approximately 1700 gallons of <br /> tanks <br /> gasoline had. leaked to surrounding soils. <br /> The contamination seems to be more associated with piping on the <br /> two tanks removed in the Fall of 1986. There was minor <br /> contamination around the fill of the tank removed in the Summer of <br /> 1988. This soil' was'removed and remediated at that time.. <br /> Excavation and aeration of contaminated soils (1000± cu.yd. )28 fee <br /> September 15, 1987, using a backhoe capable of reaching 28 feet <br /> __ --- <br /> deep-.------The--- east--and west -end—af__th9--area---was excavated an <br /> additional. 10 feet to permit excavation of contaminated soils to - <br /> Page 1 <br />