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1 <br /> ' City of Lathrop <br /> Master Groundwater Well Installation and/or Destruction <br /> Work Plan (Revised) <br /> ' Permit No. R5-2006-0094 <br /> CONTENTS Page <br /> ' 1.0. General Information .......................................................................... 1 <br /> 1.1 Background............................................................................... 1 <br /> 1.2 Purpose..................................................................................... 1 <br /> 1.3 Local Hydrogeologic Conditions................................................ 2 <br /> 1.4 Facilities and Proposed Monitoring Well Locations................... 3 <br /> ' 2.0 Drilling Details..................................................................................... 3 <br /> 2.1 Supervision of Drilling and Well Installation............................... 3 <br /> ' 2.2 Drilling Equipment and Techniques........................................... 4 <br /> 2.3 Decontamination Procedures....................................................4 <br /> 2.4 Soil Sampling and Borehole Logging ........................................ 5 <br /> 3.0 Monitoring Well Design ....................................................................... 6 <br /> 3.1 Well Casing ........................................................................ 6 <br /> ' 3.2 Filter Pack ........................................................................ 6 <br /> 3.3 Transition and Sanitary Seals .................................................. 7 <br /> 3.4 Surface Seals ........................................................................ 7 <br /> ' 3.4.1 Above Ground Completion .......................................... 7 <br /> 3.4.2 Below Ground Completion........................................... 8 <br /> ' 4.0 Well Development............................................................................... 8 <br /> 5.0 Well Survey......................................................................................... 8 <br /> ' 6.0 Monitoring Well Destruction ................................................................ 9 <br /> ' 7.0 Reporting .......................................................................................... 10 <br /> 8.0 Schedule for Completion of Work ..................................................... 11 <br /> ' 9.0 Groundwater Sampling and Analysis Plan (SAP) .............................. 11 <br /> i <br />