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1 Figure #4: Vapor Extraction Well Construction Schematic <br /> Former Manna Pro Site <br /> 004 South Eldorado Street Flush Mounted Well Box <br /> tockton, CA 95206 oncrete Collar <br /> o <br /> {w'ig's <br /> • �3 5 <br /> sus,: <br /> ement Grout <br /> — 10"i <br /> Diameter Schedule 40 Blank Casing <br /> Clay& Salt <br /> �a Y�7 <br /> 15 <br /> Bentonite Transition Seal <br />' 0O0-o0- 0000-. <br /> o°O°0- °o°o° <br /> 0-O 000 <br />' °o°a° — q°o°o 20 <br /> 0°0°0 = 00-00-0 Pea Gravel Filter Pack <br /> 00 000 <br /> °o°o° o°o°o <br /> 0°000 00000 <br /> cc <br /> f 00000 00000 <br /> 00000 = 00000 ZS 040 Slotted 4" Diameter <br /> -0 1§11)§00§11= °o o° Schedule PVC Casing <br /> 00000 _ 000°O <br /> °O°O° <br /> 00-00-0 0000a Approximate Groundwater Level <br /> °o°o° _ °°0-°o <br /> Sand 00°00 30 <br /> o°o°°o°o <br /> o <br /> °o°qp o <br /> Oo°°o <br /> o°o°o <br /> °o °o°o <br /> °o°o° = 0-°o°° <br /> °o° = o°o°o <br /> °o°o° = 0°0°0 — 35 <br /> °°O°0- <br /> 00000 000-°0-9 <br /> Clay and Silt o°o°o °o°o° <br /> 00000 <br /> 00 = 000 <br /> 0-00-00- = 00°0-0 <br /> 00 = 000 <br /> — 40C 0000-0 <br /> 00°00 = 0°000 <br /> 00000 00000 <br /> O000O = 00000 <br /> °0000 = 00000 <br /> 00 = 000 <br /> Sand °0 0° -= o°o°o <br /> 0-°0-°0 °0-00-0 45 <br /> 00 = 000 <br /> ° = o°o°o <br /> °o° <br /> °oo° <br /> °0°0° — o°oQo <br /> pOogO °poo° <br /> 0C 50 15" Diameter Boring <br /> Clay and Silt <br />