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2. Upon arriving at the sample station, the raeopre'ne rubber ends of the Sample lines are <br /> checked for dirt and dust accumulation- If necc s dx sample lines are flashed with <br /> r } distilled water, <br /> The pressuretvacuum line is connected to the vacuum gage of the vacuum hand pump, <br /> The clamp on the vamm line is, opened and dm residual yaauutn,remaining on the, <br /> lysirtteterunitis rrz , " riled on the lysimcw Sampling log. <br /> 4. The pressurelvwum line,is connected to the pr=um pump and the discharge pled <br /> line openeA openThe disclargr line is inserted into a rued 1 liter Plastic bottle <br /> prepared and supplied by thc analytical laboratory. <br /> I• The pressum purnp is activated, forcing into-the lysimeter. if additional presume.is <br /> ne-eded to retrieve the fluid more quickly,the pressure is increased until adequate Dow is <br /> achieved. <br /> 6. The sample is split to other appropriately preserved battles as necessary,for the analytical <br /> requirements_ The samples arc placed in an Ace-filled chest to mtintain a tetupet=re of <br /> pro ' atelY4 degrees Celsius during delivery to the laboratory ander in of oily <br /> procedures- <br /> 7- <br /> lam ores.7_ -Afzer the sample is collected, the. ly ' eter vacu= is reset (evacuated) to the <br /> m2nafacrturd recommended value using z'hand vacuum pump_ At this time, the <br /> lysfuuctcr Is tested to evaluate potentril leaks that could cause vacuumpressure tom The <br /> press�c. axzx line is then cd and the brsiancter securvd. <br /> s <br /> -4 3349-1O1 168323 A-I3 July 14,2000 <br />