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Work Plan for Shallow Soil Assessment and Proposed Well Sampling Schedule Modification <br />Stockton Charter Way Commingled Plume #CP0057 <br />February 17, 2023 <br />TABLE OF CONTENTS <br />1.0 INTRODUCTION...................................................................................................................3 <br />1.1 BACKGROUND..............................................................................................................3 <br />1.2 SITE AND SURROUNDING AREA....................................................................................4 <br />1.3 CURRENT STATUS............................................................................................................4 <br />2.0 SHALLOW SOIL ASSESSMENT ........................................ <br />2.1 PRE -FIELD ACTIVITIES ............................................. <br />2.1.1 Health and Safety .......................................... <br />2.1.2 Permitting and Utility Clearance .................. <br />2.2 SOIL BORING ADVANCEMENT .............................. <br />2.2.1 Soil Sample Analyses ................................... <br />........................................................ 5 <br />........................................................ 5 <br />........................................................ 5 <br />........................................................ 5 <br />........................................................ 5 <br />........................................................ 6 <br />3.0 OFFSITE WELL INSTALLATION.........................................................................................7 <br />4.0 PROPOSED WELL SAMPLING SCHEDULE MODIFICATION...........................................8 <br />4.1 PROPOSED MONITORING AND SAMPLING FREQUENCY............................................8 <br />4.2 PROPOSED WELL DESTRUCTION....................................................................................9 <br />4.2.1 Health and Safety..................................................................................................9 <br />4.2.2 Permitting and Utility Clearance..........................................................................9 <br />4.2.3 Well Destruction....................................................................................................9 <br />4.2.4 Waste Handling and Disposal..............................................................................9 <br />4.2.5 Reporting...............................................................................................................9 <br />5.0 LIMITATIONS........................................................................................................................10 <br />® Stantec Fi <br />