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Table of Contents <br />1 INTRODUCTION ....................................................................................................1 <br />2 CLIMATE AND PHYSIOGRAPHY ...........................................................................2 <br />3 GEOLOGY.............................................................................................................. 3 <br />3.1 Regional Setting .............................................................................................3 <br />3.2 Geologic Units .................................................................................................3 <br />3.3 Faults, Veins and Fractures............................................................................ 4 <br />4 HYDROLOGY.........................................................................................................5 <br />4.1 Aquifers and Adjacent Use .............................................................................. 5 <br />4.2 Generalized Conceptual Model....................................................................... 6 <br />4.3 Groundwater Flow Controls............................................................................6 <br />4.4 Groundwater Discharge.................................................................................. 8 <br />5 MONITORING WELL NETWORK.......................................................................... 9 <br />5.1 Overview.........................................................................................................9 <br />5.2 Well Evaluation............................................................................................... 9 <br />5.3 Detection Monitoring Well............................................................................. 10 <br />5.4 Sampling Frequency ...................................................................................... 11 <br />5.5 Analytical Parameters................................................................................... 11 <br />5.6 Reporting...................................................................................................... 11 <br />6 BASELINE GROUNDWATER SAMPLING.......................................................... 11 <br />7 GROUNDWATER SAMPLING AND ANALYSIS .................................................. 12 <br />7.1 Water Level Measurement............................................................................ 12 <br />7.2 Water Quality Meter Calibration.................................................................... 13 <br />7.3 Well Purging ................................................................................................. 14 <br />7.4 Sample Collection......................................................................................... 14 <br />7.5 Sample Preservation and Shipment.............................................................. 15 <br />7.6 Analytical Procedures .................................................................................... 15 <br />7.7 Chain-of-Custody Control .............................................................................. 15 <br />7.8 Decontamination and Disinfection .................................................................. 15 <br />7.9 Field Notes.................................................................................................... 16 <br />8 REFERENCES ..................................................................................................... 17 <br />9TABLES <br />10 FIGURES <br />Attachment A –Well Logs and Construction Diagrams <br />Attachment B –Sample and December 2021 Groundwater Sampling Data Sheet <br />i