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. Upon arriving at the sample stadon, the neoprene rubber ends of thesample lines are <br /> checked for dart and dust accumulation. if mcesmy, the sample, limes am flulbed with <br /> distilled water. <br /> 3. The pressurelvacuum tine is conriected to the vacu= gage of the Vacuura hand pump, <br /> The � on the vacum line is opened and the residual vacu%rm.remaining on the, <br /> lYSitnew unit is sumd` ling log. <br /> 4. The pressurelvacur€u .lam"is connected w the presswe pts and the discharge (sample) <br /> line Opene& The dLwlwgc line is. , ed into Wired I liter plastic battle <br /> prepared and supplied by the analytical lab=tory. <br /> S. <br /> The s is activated, forcing into-die eters if'additional pressure.is <br /> needed to retrieve the flxiA more quickly.the pmssurt is ' until adequate flaw is <br /> a ieved- <br /> & Th,6 sample is split to othei appropriately preserved hotties 2s n0c=arYIor the analytical <br /> requiremettts. The saruples am placed in anice-fill-ed chest to maintain a t=pemwre of <br /> Approxim;ately-4 degrees Celsius during delivery to the Lnboratm7 undersIcustody <br /> pro mss- <br /> the sample is collected, the lysimeter vacuum is reset teat to the <br /> =anufactured recommended value using 3'hand vacuum Pump. At this <br /> . e, the . <br /> lYsimcter is tested to evaluvic potential Itaks that could came vacuum I <br /> pressure rr , <br /> Pres=mNwuunx rwe is dim ctarnped and the tysimeter secured, <br /> 83849- 1OR325 A=13 July 14,2M <br />