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' C-PIT Hydrogeologic Investigations <br />Technical Aevision No. 8 <br />' Mining Permit M-1977-208 <br />' TABLE OF CONTENTS <br /> 2. SITE ANALYSIS AND FIELD ACTIVITIES .......................................................................... ...................................2-1 <br />' 2.1 Historical Records and Aerial Photograph Review .................................................... ...................................2-1 <br /> 2.2 Surface Water Ditches/Canals .................................................................................. ...................................2-3 <br /> 2.2.1 Operational Features ..................................................................................... ...................................2-3 <br /> 2.2.2 Boulder Feeder Canal Gauging ..................................................................... ...................................2-4 <br /> 2.2.3 Field Observations ......................................................................................... ...................................2-5 <br /> 2.3 Instrumentation of C-Pit and Monitoring Well CEM-001 ............................................ ...................................2-7 <br /> 2.4 Piezometer and Well Installation ............................................................................... ...................................2-7 <br />' 2.5 Compliance Well CEM-005 ....................................................................................... ...................................2-9 <br /> 2.6 Sampling and Analysis .............................................................................................. .................................2-10 <br />' 3.OBSERVATIONS AND RESULTS ...................................................................................... ...................................3-1 <br /> 3.1 Logging of C-Pit and CEM-001 During Pit Filling ....................................................... ...................................3-1 <br /> 3.1.1 Hydraulic Head Data ..................................................................................... ...................................3-1 <br /> 3.1.2 Field Parameter Water Quality Data .............................................................. ...................................3-2 <br />' 3.2 Groundwater and Surface Water Sampling Results .................................................. ...................................3-2 <br /> 3.3 Boulder Feeder Canal Gauging Results .................................................................... ...................................3-3 <br /> 3.4 Compliance Well CEM-005 ....................................................................................... ...................................3-3 <br />' 3.5 Geochemical Evaluation ............................................................................................ ...................................3-3 <br /> 4. CONCLUSIONS .................................................................................................................. ...................................4-1 <br />' S. RECOMMENDATIONS ........................................................................................................ ...................................5-1 <br /> 6. LIMITATIONS ...................................................................................................................... ...................................6-1 <br />' Report Limitations .............................................................................................................. ...................................6-1 <br /> APPENDIX A ........................................................................................................................... ......................................A <br />' Laboratory Reports and Chain of Custody Forms (ESC) ................................................... ......................................A <br /> APPENDIX B ........................................................................................................................... ...................................... B <br /> Historical Air Photos/NCWCD Documents Regarding Feeder Canal ................................. ......................................B <br />' APPENDIX C ........................................................................................................................... ..................................... C <br /> Photo Log ........................................................................................................................... ..................................... C <br /> APPENDIX D ........................................................................................................................... ..................................... D <br /> Geophysical Logs ............................................................................................................... ..................................... D <br /> <br />1 ,. <br />Use of comenis on this sheet is sublecl io the IlmAalions specified al the end of ihis tlocumenl. <br />!!BCDENOT~pmlecis!Data~GEN!Cemex!TR~B!Reporting!CEME% Report 0831-07 doc <br />