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f T. <br /> jj <br /> it <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withdrawn if possible.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: 0 <br /> .................. <br /> VOLUME�.:OF�:SCHED:UL'E;40��:PVC:PIP..E����:� <br /> ................. <br /> .................................... <br /> .............. <br /> ............. <br /> . .......................................... <br /> anear <br /> Illi feet <br /> ......................... <br /> . . . . . ... . . . <br /> 2 2.067 IC 0.17 <br /> it <br /> 4 4.026 0.66 <br /> ................. ....... <br /> ......................... <br /> .. ....... <br /> ....:..V..O....L......U. ME....O...F..OPEN <br /> PEN..B...O.....R......E....H......O.......LE..A..N...D...ANNULAR SPACE BETWE <br /> NNULAR'SPACEiBEIWE. .ENC. .A.S.I.NG. .ANDi:.....'..L......... <br /> ­.....­­ <br /> ........................................... <br /> .. ..................... <br /> HOLE ......... <br /> ...................................................... <br /> . .. . . . . . . . . <br /> ........l.w.. .­. <br /> .; V d 6neILI'near:F Feet tfHole Nominal i :oI <br /> umeIinear Feet:o <br /> f <br /> Diameter . <br /> CasonSpace' <br /> .......................................................... <br /> 'Diame <br /> ......................... <br /> S <br /> ter <br /> inc e L'L L. . .I I. .. . . .. . . <br /> . .......................... <br /> r: ris sm. <br /> .......... <br /> Gallons C htc Feet. . . Gallons .. Cubic edtr.:'i... <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 I4.06 0.54 <br /> 10.25 4.29 0.57 4 6 3.46 0.46 <br /> 12.25 6,13 0.82 4 I p 5.30 0.71 <br /> it <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 All withdrawn groundwater will be stored on-site in 55-gallon waste drums unless permission is 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\Shclls\QA(2C-98.D0C <br />