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In the c4se of the a6a-de&cated pump, it is lowered into the well and then activate: <br /> (Power from thecontroller box is regulatedwhich COIs the discharge rate of the � <br /> cella pump). In thecm <br /> o' well t' a cledi d pump$ the pneurna& <br /> controller box is counecud to the dedicated (somesir have special hl ,race <br /> Purge pumps used only for p dfied by the f ' p On the ca,P <br /> )- A <br /> disdime t I hr toa <br /> protoctive • ) is then <br /> attadied to the discbme fittlfig on the casing - The•Cot1bVIler is then turzcd on and <br /> adjusted to reach they desired purge ram <br /> Mote: In all cases wh=gasoline powered generator or compx=ors are us they are to <br /> be placed t ten Feet downwind of l being pled, <br /> During purging, held parameters(PK el=trical coaductMty, twbidjty,ark lamperanara) <br /> -11 be mooitvrcd. Parameter m m" is will be recorded on Purge and ple Lags. <br /> In addition field o` sin a and Sample- <br /> Logs. Su b obsavidons include-#law satcs*vofumcpmgecj color «dca~, bubblink or-aa <br /> other notable:obser ntiom An example of a Purge Citamterization and Swnple Log is <br /> attached. <br /> s- Purging, viucontizwc umdf stableParameter � <br /> =&W arc Obtained- FH is considered <br /> stable if die readings del not va7 by grczw than o.1 ply unit. <br /> TemPtIature is corxsidexcd <br /> stable if it does not varY IT--tore cine deg=c Ctl3im Conductivity and turbidity are <br /> considered ate if they do not vwy by ircater dmn -10%. Field: w%tI be <br /> rePwIed at ap ' . 'aztate five gallon interva - A minimmn of dave well volumes of water <br /> will be removed finam tach well- The gnat,stable, Wduez will be recorded to be us�d in <br /> too armtxil report <br /> s plc Collection <br /> SampIles Wil,be collected as soon as possible after purging is c6mpletedLLabctratri supplied <br /> co ears will be usod to hold die water samples. S t to be analYzed for vo e:organic <br /> to "wl be coutcw fwst Depending on.the w4 32' MPles will be collocW whirl either <br /> dINfiCaled pqrnps or dVosabie Was(a ww hctory baler be at h ll,}. <br /> la dx t Of dedicated peps* thePUMP rjte willbe :1 $o that the samplo will not be <br /> as it is collected In sample bottics. When bell=an used, they will beloweredslowly <br /> into the:well so not to disturb the plc will be decanted into the bottles slowly with <br />