Laserfiche WebLink
3 Nov-00 <br /> PORTER AVENUE EXPLANATION <br /> MW-1 # Groundwater monitoring well <br /> 66 0 9S Vapor extraction well <br /> o (< 500) <br /> �- (<I0 00) Groundwater elevation contour <br /> Former MW-2 ` <br /> in feet referenced to Site Datum <br /> USTs 6708<0 ',/0 Arrows indicate approximate flow <br /> ( 0 / direction <br /> MW-569 70 Groundwater elevation in feet <br /> 6555 =-- ---- USTs <br /> (<V 00) _ (0534) Benzene concentration in <br /> (¢ 0) VEW-2-- EW-1 <br /> parts per billion(ppb) <br /> NA (<2 50) MTBE concentration in ppb <br /> (3,200) VtPpy <br /> Analysis by EPA Method 8260 <br /> (22 8) NA Not available <br /> and <x Not detected at detection limit x <br /> Dispenser <br /> Islands Approx hydraulic gradient=0 01 to 0 02 <br /> L 'r 660 a <br /> MW-3- <br /> 6705 <br /> W-6705 MW-4 W <br /> (0 594) 6588 <br /> (<I00) (1,830) <br /> (54 6) <br /> U <br /> Parking MW- -N- <br /> Area 65 26 <br /> {2 78) <br /> (<I 00 <br /> Building <br /> 6S0 <br /> MW-7 <br /> 64.89 <br /> (828) <br /> (<20 0) <br /> Scale FIGURE <br /> 0 25 50 100 2 <br /> o Base map from Fugio map of 1-10-94 1 Inch=50 Feet <br /> Well-branded Service Station Groundwater Contour/ <br /> 6131 Pacific Avenue Chemical Concentration Map <br /> Stockton, California <br /> C A M B R I A August 16, 2000 <br />