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L <br />L <br />4.0 ESTIMATED PROJECT SCHEDULE............................................................................... 15 <br />5.0 CONCLUSION............................................................................................................16 <br />FIGURES <br />Figure 1 Site Location Map <br />Figure 2 Existing Groundwater Monitoring Wells <br />Figure 3 Proposed Groundwater Monitoring Wells <br />Figure 4 Typical Groundwater Monitoring Well Construction Detail <br />Revision 2 —January 11, 2012 <br />WORKPLAN — REVISION NO.2 <br />EVALUATION MONITORING PROGRAM <br />CORRAL HOLLOW SANITARY LANDFILL <br />SAN JOAQUIN COUNTY, CALIFORNIA <br />TABLE OF CONTENTS <br />1.0 INTRODUCTION..........................................................................................................1 <br />2.0 BACKGROUND............................................................................................................1 <br />2.1 <br />SITE LOCATION........................................................................................................ 2 <br />2.2 <br />SITE GEOLOGY......................................................................................................... 2 <br />2.3 <br />GROUNDWATER CONDITIONS................................................................................ 3 <br />2.4 <br />GROUNDWATER CHEMISTRY.................................................................................. 4 <br />3.0 EVALUATION MONITORING PROGRAM...................................................................... 5 <br />3.1 <br />EMP APPROACH......................................................................................................5 <br />3.2 <br />MONITORING WELL LOCATION RATIONALE........................................................... 6 <br />3.3 <br />BOREHOLE DRILLING AND SAMPLING.................................................................... 7 <br />3.3.1 Well Permitting........................................................................................... 7 <br />3.3.2 Drilling, Soil Sampling, and Logging Methods ............................................ 8 <br />3.3.3 Temporary Well Construction and Initial Groundwater Sampling ............. 8 <br />3.4 <br />MONITORING WELL INSTALLATION........................................................................ 9 <br />3.4.1 Borehole Reaming and Soil Sampling......................................................... 9 <br />3.4.2 Monitoring Well Construction.................................................................. <br />10 <br />3.4.3 Surveying...................................................................................................11 <br />3.4.4 Monitoring Well Development................................................................. <br />11 <br />3.4.5 Aquifer Testing.......................................................................................... <br />12 <br />3.3.7 Groundwater Sampling and Analysis........................................................ <br />12 <br />3.5 <br />MONITORING WELL INSTALLATION REPORT........................................................ <br />14 <br />® 3.6 <br />EVALUATION MONITORING PROGRAM REPORT .................................................. <br />14 <br />L <br />L <br />4.0 ESTIMATED PROJECT SCHEDULE............................................................................... 15 <br />5.0 CONCLUSION............................................................................................................16 <br />FIGURES <br />Figure 1 Site Location Map <br />Figure 2 Existing Groundwater Monitoring Wells <br />Figure 3 Proposed Groundwater Monitoring Wells <br />Figure 4 Typical Groundwater Monitoring Well Construction Detail <br />Revision 2 —January 11, 2012 <br />