Laserfiche WebLink
EXECUTIVE SUMMARY <br /> Groundwater samples were collected from seven of the eight monitorin wells on June 16 2004 <br /> � g <br /> One well was dry and could not be sampled Total Petroleum Hydrocarbons in the gasoline range <br /> and benzene and/or other aromatic compounds were detected in six of seven samples Except in <br /> well VM-2, nearest the source of the contamination, concentrations were similar to or slightly lower <br /> than those detected in January In VM-2, concentrations rose by 12-50 o <br /> The elevation of the water table remained�at approximately 21 feet below sea level, essentially the <br /> same as it was when the site was monitored in the fourth quarter of 2003 and the first quarter of <br /> 2004 The groundwater flow direction continues to be east <br /> The Application to Construct and Operate a soil vapor extraction system for the remediation of soil <br /> contamination at the site was approved by the San Joaquin Valley Air Pollution Control District in <br /> April An application was then submitted to the Stockton Building Department to install the <br /> electrical control panel for the vapor extraction unit, and the control panel was installed in June <br /> After final inspection by the Building Department, Pacific Gas & Electric will bring in power to the <br /> site and additional construction work will be undertaken to complete the installation Upgradient <br /> Environmental anticipates initial testing of the vapor extraction system in late July or August <br /> • <br /> 1 <br />