Laserfiche WebLink
15 Apr02 <br /> A <br /> EXPLANATION <br /> Groundwater monitoring well <br /> Q / Groundwater elevation contour in feet <br /> 0 /y referenced to mean sea level (ft msl) <br /> Arrows indicate approximate <br /> O groundwater flow direction <br /> \ <br /> 6116 Groundwater elevation in ft msl <br /> (0.59) Benzene concentration in parts per billion <br /> (ppb) <br /> (23 6) MTBE concentration in ppb by EPA <br /> Method 8260 <br /> \� <x Not detected at detection limit x <br /> \ Approximate hydraulic gradient=0 002 <br /> O <br /> ►.1 Dispenser Island <br /> (typ) <br /> Station ` <br /> u Building \ <br /> MW-33 °s <br /> - -2157 v e <br /> r r r i i r (<0 50) <br /> MW-2 <br /> (9 5) N b <br /> -2168 <br /> Existing \\(<0.50) <br /> USTS \(<5 0) <br /> OFormer UST <br /> Planter Location <br /> — - - - - - - <br /> MW-1� _ <br /> .21.6z— <br /> (<050) <br /> 21.62(<050) <br /> (<5 ,) -N- <br /> HAMMER LANE <br /> Scale (ft) <br /> FIGURE <br /> 0 15 30 60 <br /> N 2 <br /> Base map fiom Fug,o map of r-Feb-96 <br /> Shell-branded Service Station Groundwater Contour/ <br /> 7910 Lower Sacramento Road Chemical Concentration Map <br /> Stockton, California <br /> C A M B R l A January 31, 2002 <br />