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L & M OPERABLE UNIT- THIRD QUARTER 2013 SITE STATUS, REMEDIAL SUMMARY, <br /> AND GROUNDWATER MONITORING REPORT <br /> Table of Contents <br /> 1.0 INTRODUCTION ..............................................................................................................1.1 <br /> 1.1 SITE DESCRIPTION.........................................................................................................1.1 <br /> 1.2 REGIONAL GEOLOGY/HYDROGEOLOGY .....................................................................1.2 <br /> 2.0 GROUNDWATER MONITORING AND SAMPLING.........................................................2.1 <br /> 2.1 GROUNDWATER MONITORING AND SAMPLING PROCEDURES................................2.1 <br /> 2.2 LABORATORY ANALYSIS ...............................................................................................2.1 <br /> 2.3 THIRD QUARTER 2013 SHALLOW GROUNDWATER RESULTS...................................2.2 <br /> 2.3.1 Shallow Zone Groundwater Gradient..................................................................2.2 <br /> 2.3.2 Shallow Zone Groundwater Analytical Data........................................................2.2 <br /> 2.3.2.1 Separate Phase Hydrocarbons...........................................................................2.2 <br /> 2.3.2.2 Petroleum Hydrocarbons and Fuel Oxygenates .................................................2.2 <br /> 2.3.2.3 Dissolved Arsenic...............................................................................................2.3 <br /> 2.3.2.4 Quality Assurance/Quality Control Samples .......................................................2.3 <br /> 2.3.2.5 General Laboratory Notes ..................................................................................2.4 <br /> 2.4 THIRD QUARTER 2013 B-ZONE GROUNDWATER RESULTS.......................................2.5 <br /> 2.4.1 B-Zone Groundwater Gradient ...........................................................................2.5 <br /> 2.4.2 B-Zone Groundwater Analytical Data .................................................................2.5 <br /> 2.4.2.1 Separate Phase Hydrocarbons...........................................................................2.5 <br /> 2.4.2.2 Petroleum Hydrocarbons and Fuel Oxygenates .................................................2.5 <br /> 2.4.2.3 Dissolved Arsenic...............................................................................................2.6 <br /> 2.4.2.4 Quality Assurance/Quality Control Samples.......................................................2.6 <br /> 2.4.2.5 General Laboratory Notes ..................................................................................2.7 <br /> 2.5 THIRD QUARTER 2013 C-ZONE GROUNDWATER RESULTS.......................................2.7 <br /> 2.5.1 C-Zone Groundwater Gradient Data...................................................................2.7 <br /> 2.5.2 C-Zone Groundwater Analytical Data .................................................................2.7 <br /> 2.5.2.1 Separate Phase Hydrocarbons...........................................................................2.7 <br /> 2.5.2.2 Petroleum Hydrocarbons and Fuel Oxygenates .................................................2.8 <br /> 2.5.2.3 Dissolved Arsenic...............................................................................................2.8 <br /> 2.5.2.4 Quality Assurance/Quality Control Samples.......................................................2.9 <br /> 2.5.2.5 General Laboratory Notes ..................................................................................2.9 <br /> 2.6 THIRD QUARTER 2013 D-ZONE GROUNDWATER RESULTS.......................................2.9 <br /> 2.6.1 D-Zone Groundwater Gradient Data...................................................................2.9 <br /> 2.6.2 D-Zone Groundwater Analytical Data .................................................................2.9 <br /> 2.6.2.1 Dissolved Arsenic.............................................................................................2.10 <br /> 2.6.2.2 Separate Phase Hydrocarbons.........................................................................2.10 <br /> 2.6.2.3 Petroleum Hydrocarbons and Fuel Oxygenates ...............................................2.10 <br /> 2.6.2.1 Quality Assurance/Quality Control Samples .....................................................2.10 <br /> 2.6.2.2 General Laboratory Notes ................................................................................2.11 <br /> 2.7 THIRD QUARTER 2013 SEPARATE PHASE HYDROCARBONS AND HYDROCARBON <br /> CONCENTRATION TRENDS .........................................................................................2.11 <br /> 2.7.1 Shallow Zone ...................................................................................................2.11 <br /> 2.7.1.1 Separate Phase Hydrocarbons.........................................................................2.11 <br /> 5tantec i <br />