Laserfiche WebLink
CHRONOLOGY <br /> 800 KETTLEMAN LANE, LODI <br /> 912188 280 gallon waste oil tank removed. <br /> 1014190 5 soil borings drilled to approximately 30 feet. 3 of the borings <br /> were around the product UST's, the other 2 borings were in the <br /> area proposed for the new UST's. The only contamination <br /> evidenced was in 131 and was low level. <br /> 7191 3 vapor extraction well installed. All soil sample result were ND. <br /> Vapor extraction testing performed. <br /> 11/91 5 product UST's removed ( 1 - 10,000 gallon unleaded, 1-6000 <br /> gallon unleaded, 1-6000 gallon premium, 2 - 4000 gallon regular). <br /> The contaminated soil was placed back in the excavation and <br /> piping trenches_ <br /> 10/3/92 11 soil borings drilled, 4 borings installed with monitoring wells, 4 <br /> borings installed with vapor extraction wells. Groundwater at about <br /> 54 feet below grade. Borings 9 - 13 and 17 - 19 had ND soil ; <br /> results. Borings 14 - 16 had low levels of soil contamination. <br /> 10/92 - Quarterly sampling of the monitoring wells. All results ND except <br /> 2196 MW3 in October 1993. <br /> 7/26/96 Report recommending closure of the site based on evaluation of <br /> hydrocarbon mass. <br /> 316197 Monitoring wells sampled, analysis included MTBE. All results <br /> were ND. <br /> 2118198 PHS/EHD concurred with closure. <br /> i <br />