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2. Upon arriving at the sample station, the :coprcnd rubber ends of the sample tines are <br /> checked for dirt and dust a=umwaeon. t DectsSaXY, the Samplc lines are flashed <br /> distilled water. with <br /> 3. The prCssurelvacuum ac is connected to the vacuum gage of the vacuumnd.putrtp. <br /> The clamp on the vacuum lie it opened and the residual . t=.remaining on the, <br /> 'lysimeter unit is measured ai4 iccorded on the lysimeterling tog. <br /> 4. The prtssureApacuum line,is connected to the pr=vjrepump and the disc ( pTc <br /> lute opened, The discharge line is inserted into a,cleart,Unpreserved I liter plastic boats <br /> prepared and supplied by the analytical laboratory. <br /> The pressure pump is activate forcing air into-the 1 ` eter ifadditional presume•is <br /> needed to retrieve the fluidd,more quickly, the,prewtare is itiatased until adequate fta w is <br /> achieved. <br /> 6. The sample is split to other appropriately preserved bottles as necessary fear the analytical <br /> requirements. The saraples arc placed in an icc <br /> -filled chest to maintain a temperature of <br /> approximately4 degrees Celsius during delivery to the lahowory girder chain-of custody <br /> procedures. <br /> 7_ the sample is collect the. si eter v uzrrtt is <br /> P reset (evacuated) to the <br /> manufactured recommended value using a'hand vacunin urrtp_ At this time, the <br /> lysimeter.is tested to evaluate potential leaks that could amse vacuum prass€rre Ions The <br /> pt=sumNa,cuum line is then clamped and the to x <br /> 23-483949-FO I t231 OR325 -I July I2 <br /> =!a 24fOQ Qer,frac, <br />