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• DDl*acy OU 1 Pesticide Rem diation <br /> Groundwater Extraction Well Installation Wc rk Plan <br /> TABLE OF CONTENTS <br /> P2gB <br /> 1.0 INTRODUCTION AND BACKGROUND............................................................................ ........1 <br /> 2.0 WELL INSTALLATION ACTIVITIES................................................................................. ........2 <br /> 2.1 Pre-Well Installation Activities..................................................................... ........2 <br /> 2.2 Field Documentation..................................................................................... ........2 <br /> 2.3 Drilling Requirements................................................................................... ........2 <br /> 3.0 WELL SPECIFICATIONS..................................................................................................... ........2 <br /> 4.0 WELL MATERIALS............................................................................................................... .......5 <br /> 4.1 Well Casing.................................................................................................... .......5 <br /> 4.2 Well Screen.................................................................................................... .......5 <br /> 4.3 Filter Pack...................................................................................................... .......5 <br /> 4.4 Bentonite Seal................................................................................................ .......7 <br /> 4.5 Cement Grout................................................................................................. .......7 <br /> 4.6 Wellheads....................................................................................................... .......7 <br /> 4.7 Investigation-Derived Waste.......................................................................... .......7 <br /> 5.0 POST-WELL-INSTALLATION ACTIVITIES ...................................................................... .......7 <br /> 5.1 Extraction Well Development........................................................................ .......7 <br /> 5.2 Well Location Surveying ............................................................................... .......7 <br /> 5.3 Groundwater Sample Collection.................................................................... .......8 <br /> 5.4 Data Management.......................................................................................... .......8 <br /> 6.0 TEMPORARY PIEZOMETER INSTALLATION ACTIVITIES........................................... .......8 <br /> 6.1 Temporary Piezometer Installation................................................................ .......8 <br /> 6.2 Piezometer Location Surveying..................................................................... . 8 <br /> 6.3 Aquifer Testing.............................................................................................. .......9 <br /> 6.4 Temporary Piezometer Abandonment........................................................... .......9 <br /> 7.0 REFERENCES......................................................................................................................... .....10 <br /> KA02237T0U 1—Pest-Rem\finaaGW-EW-WrkPln.dm i 1 fly 2002 <br />