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i <br /> �F✓ t. <br /> ATC Associates Inc. <br /> Quality Assurance/Quality Control Plan <br /> Revised March 1998 <br /> i <br /> 10.0 WELL DEVELOPMENT PROTOCOL <br /> Groundwater monitoring wells will be surged and developed prior to setting the surface seal. <br /> Approximately 10 times the volume of water in the casing will be withdrawn if possible. Casing <br /> volumes will be calculated in the following manner: <br /> ME ......... <br /> .01FSCHEDULE 4d pVC PIPE <br /> Diameter{�nchesj 1 D {inches) Valume <br /> i <br /> 2 2.067 0.17 <br /> 4 4.026 0.66 <br /> 1/OLU'ME OF t)PEN80REHOL.E AND ANNULAR SPACE BETWEEN CASING ANd <br /> .:. :::::...: <br /> HOLE <br /> Hvle: . - 1/olume/L ................... <br /> ar Feet of Hafe Norn�nal Volume..:Jnear.Feet.of . <br /> ............................................_......_.................................................................___.._...........__................................................._.............. <br /> .... .....::.:...:... <br /> iJ�ame#er Casing Annular S. it. .;:.. <br /> {orches) Qiarneter ..:. <br /> (inches): <br /> Gallons Cubic Feet Gallon.s Cubic Feet <br /> .:... <br /> 7.25 2.14 0.29 2 1.91 0.26 <br /> 8.25 2.78 0.37 2 2.55 0.34 <br /> 10.25 4.29 0.57 2 4.06 0.54 <br /> 10.25 4.29 0.57 4 3.46 0.46 <br /> 12.25 6.13 0.82 1 4 5.30 1 0.71 <br /> i <br /> ' Annular volumes will be multiplied by 30%to account for porosity of filter pack. <br /> If the aquifer is slow to recharge, development will continue until recharge is too slow to practically <br /> continue. The volume of water produced versus time will be recorded. <br /> All withdrawn groundwater will be stored on-site in 55-gallon waste drums unless permission is <br /> granted by the appropriate regulatory agency to discharge the water to the ground surface or sanitary <br /> W:\Admin\Shells\QAQC-98.D0C <br /> I <br /> 4 <br /> I <br /> t <br />