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Sonic Drilling Field Standard Operating Procedure <br /> SWE-FSOP-302;Revision 0 Ahtna Southwest Environmental Operations <br /> Table of Contents <br /> Tableof Contents...............................................................................................................................3 <br /> 1.0 Introduction...............................................................................................................................4 <br /> 1.1 Purpose .............................................................................................................................................4 <br /> 1.2 Scope.................................................................................................................................................4 <br /> 1.3 Responsibilities..................................................................................................................................4 <br /> 1.4 Definitions.........................................................................................................................................5 <br /> 2.0 Relevant Documents...................................................................................................................5 <br /> 3.0 Equipment List............................................................................................................................5 <br /> 4.0 Procedures.................................................................................................................................6 <br /> 4.1 Pre-Field Tasks...................................................................................................................................6 <br /> 4.1.1 Clearances...................................................................................................................................6 <br /> 4.1.2 Health and Safety .......................................................................................................................7 <br /> 4.1.3 Site Conditions and Drilling Logistics..........................................................................................7 <br /> 4.1.4 Rig Decontamination and Preparation.......................................................................................7 <br /> 4.1.5 Calibration ..................................................................................................................................8 <br /> 4.1.6 Personal Protective Equipment(PPE).........................................................................................8 <br /> 4.2 Mobilization and Setup.....................................................................................................................8 <br /> 4.2.1 Site Preparation..........................................................................................................................8 <br /> 4.2.2 Discussion of Site Conditions......................................................................................................8 <br /> 4.2.3 Mobilization................................................................................................................................9 <br /> 4.3 Drilling Procedures............................................................................................................................9 <br /> 4.3.1 Borehole Drilling.........................................................................................................................9 <br /> 4.3.2 Ongoing Monitoring ...................................................................................................................9 <br /> 4.3.3 Boring Log.................................................................................................................................10 <br /> 4.4 Borehole Abandonment..................................................................................................................10 <br /> 4.5 Demobilization/Site Restoration.....................................................................................................11 <br /> 5.0 Quality Assurance/Quality Control............................................................................................11 <br /> 6.0 Documentation Review.............................................................................................................11 <br /> 7.0 References ...............................................................................................................................11 <br /> Page 3 of 11 <br />