Laserfiche WebLink
2. UPon arriving at the sample station, the nc-Oprene rubber ends of the sample <br /> checked for dirt and dust accumulation.. If nec lines are <br /> essary, the sample-lines arc flushed with <br /> distilled water. . <br /> 3. The pressurelvacuum line is connected to the vacuum gage of the vacuum hand . <br /> The clamp on the vacuum line is opened and the residual vacuum.rcxnaiain pump. <br /> P <br /> g on the. <br /> vacuum unit�is measured-and recorded on the lysirneter sampling log. <br /> 4: The pressurefvacuum linc-is connected to,the pressure pump and the discharge (sample) <br /> line opened. The disc a line is inserted into a.cl P ) <br /> 8 can, unpreserved l liter plastic bottle <br /> prepared and supplied by the analytical laboratory. <br /> The pressure pump is activated, forcing air into-the lysimeter. If additional pressme.is <br /> needed tO retrieve the fluid more quickly,the pressure is increaseduntil adequate flow is <br /> achieved- <br /> 6- The sample is split to other appropriately preserved betties as ueces <br /> Bary,for the analytical <br /> requireanents_ The samples arc placed in an ice-filled chest to maintain a temperatum o f <br /> VPmx;mately 4 degrees Celsius during delivery to the laboratory under chain-of�ustody <br /> .— -procedures_ <br /> 7- °Afrer the 'sanzple is collected, the, lysimeter vacuum-is reset (evacuated) to the <br /> manufactured recommended value using a'hand vacuum pump, At this time 'the <br /> lysirneter is tested to evaluate potential leaks that , <br /> cause vacuum 7 <br /> P�loss_The <br /> P e/vacuum line is thea clamped and the lysamcter secured_ <br /> �.. 23-483849-FU1\2310R32S A-13 <br /> Coprick low KwArcida,Ir' July 14,200 <br />