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ti <br /> TABLE OF CONTENTS <br /> INTRODUCTION.................................................................................1 <br /> 1.1 DOCUMENT ORGANIZATION..................................................................1 <br /> Z SITE DESCRIPTION AND BACKGROUND ..........................................2 <br /> 2.1 SITE DESCRIPTION ....................................................................................2 <br /> 2.2 SITE HISTORY ............................................................................................2 <br /> 2.3 GEOLOGIC CONDITIONS........................................................................3 <br /> 2.3.1 REGIONAL GEOLOGY...................................................................3 <br /> 2.3.2 REGIONAL FAULTING....................................................................3 <br /> 2.3.3 SITE GEOLOGY..............................................................................3 <br /> 2.4 HYDROGEOLOGY....................................................................................4 <br /> 2.4.1 REGIONAL GROUNDWATER CHARACTERISTICS..........................4 <br /> 2.4.2 SITE GROUNDWATER CHARACTERISTICS.....................................4 <br /> 2.5 PREVIOUS SITE INVESTIGATION AND REMEDIAL ACTIVITIES..................5 <br /> 3 REMEDIAL ACTION OBJECTIVES ......................................................6 <br /> 3.1 REGULATORY CRITERIA............................................................................6 <br /> 3.2 NATURE AND EXTENT OF LANDFILL GAS IMPACTS.................................6 <br /> 3.3 REMEDIAL ACTION OBJECTIVES - LANDFILL GAS..................................6 <br /> 4 RELEASE VERIFICATION ....................................................................7 <br /> 4.1 PREFIELD ACTIVITIES ................................................................................7 <br /> 4.2 LANDFILL GAS PROBE FIELD ACTIVITIES..................................................7 <br /> 4.2.1 INSTALLATION ...............................................................................7 <br /> 4.3 LANDFILL GAS SAMPLING AND ANALYSIS.............................................8 <br /> 4.3.1 SAMPLING ACTIVITIES ..................................................................8 <br /> 4.4 DATA EVALUATION..................................................................................8 <br /> 4.4.1 VERIFICATION OF RELEASE...........................................................8 <br /> Jr IDENTIFICATION AND SCREENING OF REMEDIAL TECHNOLOGIES <br /> .........................................................................................................10 <br /> 5.1 LANDFILL GAS........................................................................................10 <br /> 5.1.1 NO ACTION.................................................................................10 <br /> 5.1.2 PASSIVE SYSTEM..........................................................................10 <br /> 5.1.2.1 TREATMENT- NO ACTION........................................... 10 <br /> 5.1.2.2 TREATMENT- CARBON FILTERS................................... 11 <br /> 5.1.3 ACTIVE GAS COLLECTION .........................................................11 <br />