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Figure 44: Air Sparge Well Construction Schematic <br /> Former Manna Pro Site <br /> 004 South Eldorado Street Flush Mounted Well Box <br /> tockton, CA 95206 oncrete Collar <br /> 0 <br /> r + 5 <br /> t •! i' 10 n• . <br /> 2" Diameter Schedule 40 Blank Casing <br /> Clay& Silt <br /> y <br /> 15 <br /> ' ' A 20 <br /> I � • 1 r <br /> T <br /> i Approximate Groundwater Level <br /> 25 ement Grout <br /> 4• <br /> Sand ' ' .. <br /> ' 30 <br />' 35 <br /> Clay and Silt <br /> 40 <br /> I <t A• 3 Sand Filter Pack <br /> Sand <br /> I45 Bentomte Transition Seal <br /> 00 10 Slotted 2" Schedule <br /> 40 PVC Casing <br /> Clay and Silt 50 <br /> ~ ' ` 10" Diameter Bonng <br /> t 55 <br />