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4 + 14 <br /> ATC Awdsta be. <br /> Qualft3`AawCom PLM <br /> Reviged 1998 <br /> desonizedwater. this procedure will be carried out on-ske befOfC sampling of other awatoring wells,1f <br /> more dw one well is to be sampled withO sample sampling device <br /> Imrne diately prior to san>Gpling, the depth to W' o)7W)in'the well,wiil be recorded. The thickness <br /> of product on top of the groundwater, it present, will be measured ung an rase probe. The <br /> pMce&Mfi)rxnorAOftisVP;00Mt0ct,MI.Sie:;tita►t19:0 IIt '1P.1' f71t?li~f111'ltlg PtY1# i. <br /> produld is detected, at the inteface for dsolved'product will not be <br /> condk cte& A product sampler will be collected for source Nall five. xvductGannQt be <br /> retnoved, aninterval specific aan orig device may be utilized to�a"M*J�om:blow ttee;zone <br /> of free pioduct. Bete oodictirlg gtcxxrt dwater samples from each well,thevA.w011eputgeduntil <br /> indicaw pararnetevrs (temperature, conductivity, and pH) stabilizelbs,will entail the removal of at <br /> l f w we l casing vok by baifiqor pump I"a aiteria for ddetmumitig welt.atsh g vokm <br /> and temporary storage of purged water is outlined in Section 10.0(Well l?ewkpwn t l'roAxv} The <br /> inditattte' parameter rneasurarmts will be Calm both before and alta purging of each welt casing <br /> voiuinea Orne`#he w is:purged and indicstor parameters have stabilized, a sample Will be collected <br /> after the water level approaches 80I.Percent of its initial elevation. Where water level recovery is slow, <br /> the sample wit be.wBected atter stabilization is achieved and enough water is'present to fill wriple <br /> containers. <br /> Cross contaiTiir on km transfierring pun"(or bailers)firm well to well wid be.Odided by utiili?atw <br /> dedicated equipment: Where this is not feasible, thorough,deaning of equipment vtl be.pter buried <br /> between wnphrig rounds Sampling will proceed from the least contaminated. to Ac most <br /> owitatn irwed vim,.if infimnation is available before mmple cone t on, or if it is hAdated by field <br /> WAAdmialSl v%\QAQC-"- M <br /> 1'3 <br />