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2. Upon arriving at the sample station, the nzoprene rubber ends of the sample lines are <br />checked for dirt and dust accumulatiotL if necessary, the sagnple, lines arc .lashed with <br />t,, } distilled water. <br />i <br />. The pressureNacuum line is connected to the vacuum gage of the vacuumhan <br />d pump <br />Theclamp oil the vacuum line it opened and the residual , rem - i g on the, <br />Iysirnetcr unit is att ed ai4recoirded on the lysimcter tampting log, <br />4: The PresSUrelvacum line, its countood to the pressure pump and the discharge ( Flel <br />lime opened, Teta discharge line is iaserted into a. e d I liter Plastic Battle <br />prepared and supplied by the analytical laboratory. <br />S. <br />The pressure mimp is activated, forcing air into -the lysimeter. If addition,11pmssurc• is <br />needed to retrieve the fluid more quickly, the jimssure is in ed uaW adequate flow is <br />achieved - <br />6. The sample is split to othei appropriately preserved boWes as necessary for the analytical <br />requirements., The samples arc Placed in an ice -filled chest to za idatain a temp cif' <br />2pproxixttately'4 de Celsius g delivery to the laboratory under-of_custody <br />procedures. <br />7_ After the sample is c llcxted=the . iysiMeter vacrt= . is reset (c vacuated to the <br />m2nufactured recommended value using a`hand vacuum At this time, the <br />l ! is t to evaluate potential I could vacuumpressure loss. The <br />pressure/v-.aclige is them ckmpcd aad the brsinxeterser <br />23-4&t9-F0lt23ioms -13 July 14.200 <br />