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• <br /> • <br /> • CITY OF RIVERBANK WASTEWATER TREATMENT PLANT <br /> • GROUNDWATER MONITORING WELL INSTALLATION WORKPLAN <br /> • MARCH 2005 <br /> • Page <br /> • A. GENERAL INFORMATION..................................................................................... 1 <br /> • 1. Background Information......................................................................................... 1 <br /> • 2. Proposed Monitoring Well Locations..................................................................... 2 <br /> B. DRILLING DETAILS................................................................................................ 2 <br /> • 1. Drilling Equipment................................................................................................. 2 <br /> • 2. Well Installation Activities..................................................................................... 2 <br /> • C. MONITORING WELL DESIGN............................................................................... 3 <br /> • 1. Well Casing and Screen.......................................................................................... 3 <br /> • 2. Filter Pack, Bentonite Seal, and Grout.................................................................... 3 <br /> • 3. Well Protection.......................................................................................................4 <br /> • D. WELL DEVELOPMENT........................................................................................... 5 <br /> • <br /> • E. WELL SURVEY ........................................................................................................6 <br /> • F. SCHEDULE FOR COMPLETION OF WORK.........................................................7 <br /> • <br /> • <br /> • LIST OF FIGURES <br /> • <br /> • 1. Location of Riverbank Wastewater Treatment Plant............................................8 <br /> • 2. Groundwater Contours for March &June 2004...................................................9 <br /> 3. Groundwater Contours for September&December 2004 .................................10 <br /> • 4. Location of Existing and New Monitoring Wells...............................................1 l <br /> • 5. Proposed Monitoring Well Design.....................................................................12 <br /> • <br /> • APPENDIX: GROUNDWATER SAMPLING AND ANALYSIS PLAN <br /> • <br /> LIST OF TABLES <br /> • 1. Proposed Laboratory Analyses for Groundwater Samples.............................. A-6 <br /> • <br /> • <br /> • <br /> • <br /> • <br /> • Riverbank WWTP Workplan Nolte Associates,Inc. <br /> • March 2005 i \\SasO\project\SA1542Mon_well\ncw\gw wiwp\wp.doc <br /> • <br />