Laserfiche WebLink
'�•� _ -..��.«- *�-"�` �; --"off _ _ _ �" � '.�. � '§' - � � , _ �r. .; �:��` �. <br /> AGS 87031-2 <br /> USA Station No. 110 <br /> Stockton, California <br /> AM <br /> hydrocarbons were detected in MW-1 and MW--2. Relatively low <br /> levels of volatile hydrocarbons were detected in the ground water <br /> collected from MW--1 and MW-2. Benzene concentrations detected in <br /> each of the wells are in excess of drinking water standards <br /> recommended by the California Department of Health services. <br /> RECOMMENDATIONS <br /> Hydrocarbon contamination is present at the site in the soil and <br /> ground water below and adjacent to the tank cavity. Floating <br /> gasoline product is present in the area immediately below the <br /> product storage tanks. We recommend that the floating product be <br /> removed from the area as soon as possible, that ground water be <br /> monitored on a quarterly basis so as to establish whether the <br /> levels of hydrocarbons present in the ground water are decreasing <br /> with time, and that additional assessment of the impact of the <br /> contamination on ground-water resources be performed. <br /> Further work should include construction of three or mors <br /> additional up-gradient and down--gradient wells in order to locate <br /> the limits of the contaminant plume. These wells would be <br /> designed and installed with the approval and according to the <br /> specifications of the appropriate regulatory agencies. Proposed <br /> locations of the wells are depicted on Plate P-2. Actual <br /> 17 <br /> App/led G60SysPems <br />