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Table 4 <br />Monitoring Well Construction Details <br />Foothill Sanitary Landfill <br />San Joaquin County, California <br />Notes: <br />MSL - Mean Sea Level in feet <br />GSE - Ground Surface Elevation in feet <br />TOC - Top of well casing to nearest 0.05 feet <br />TOP - Top of well perforation in feet MSL <br />BOP - Bottom of well performation in feet MSL <br />Total Depth in feet (ft) measured from Top of Casing <br />Northing and easting are horizontal coordinates relative to local coordinate system <br />is OD - Outside diameter of casing measured in inches <br />Screen Slot Size opening measured in inches <br />Sch 80 PVC - Schedule 80 Polyvinyl Chloride <br />v <br />Foothill Sanitary Landfill Public Works/Solid Waste <br />JTD County of San Joaquin -August 15, 2005 <br />MW -1 <br />MW -2R <br />MW -3 <br />GSE (MSL) <br />253 <br />267 <br />315 <br />TOC (MSL) <br />256 <br />270 <br />318 <br />TOP (MSL) <br />66 <br />64 <br />271 <br />BOP (MSL) <br />46 <br />44 <br />290 <br />Total Depth (ft) <br />215 <br />227 <br />296 <br />Northing (ft) <br />4887 <br />2688 <br />2853 <br />Easting (ft) <br />4311 <br />1940 <br />1995 <br />Casing OD (in) <br />5 <br />5 <br />4 <br />Packing Material <br />#2/12 Sand <br />#2/12 Sand <br />#3 Sand <br />Screen Slot Size (in) <br />0.02 <br />0.02 <br />0.02 <br />Casing Material <br />Sch 80 PVC -t-Sch <br />80 PVC <br />Sch 80 PVC <br />Notes: <br />MSL - Mean Sea Level in feet <br />GSE - Ground Surface Elevation in feet <br />TOC - Top of well casing to nearest 0.05 feet <br />TOP - Top of well perforation in feet MSL <br />BOP - Bottom of well performation in feet MSL <br />Total Depth in feet (ft) measured from Top of Casing <br />Northing and easting are horizontal coordinates relative to local coordinate system <br />is OD - Outside diameter of casing measured in inches <br />Screen Slot Size opening measured in inches <br />Sch 80 PVC - Schedule 80 Polyvinyl Chloride <br />v <br />Foothill Sanitary Landfill Public Works/Solid Waste <br />JTD County of San Joaquin -August 15, 2005 <br />