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y <br /> 1 <br /> S <br /> Kennedy/Jenks Consultants <br /> 1 � C <br /> 5 As the sampling rods were advanced, the soil core was collected in a 718-inch diameter, <br /> 2-foot long sample barrel, which was attached to the end of the inner rods After being II' <br /> advanced 2 feet, the inner rods were removed from the borehole with a hydraulic i <br /> winch The sampler (containing a butyrate Inver) and inner rods were then lowered <br /> ` back into the borehole to the previous depth and the rods were driven another 2 feet <br /> This process was repeated until the desired depth was reached <br /> 6 The soil samples were retained for lithologic logging and chemical analyses, if <br /> appropriate <br /> 7 The sods were classified in the field in approximate accordance with the visual-manual <br /> procedure of the Unified Sod Classification System (ASTM D-2488-93), and the Munsell <br /> Color Classification. <br /> 8 If required, sod samples were collected at selected intervals for laboratory analysis At <br /> these intervals, the ends of the butyrate sample liner were covered with Teflon end <br /> E sheets and plastic end caps, and labeled Labels documented the sample designation, <br /> type, date and time of collection, collector(s), location, and any additional information <br /> 9 After sample collection, the borings were grouted to ground surface with a neat cement <br /> grout (Type 11 Portland cement) using the tremae method <br /> I� <br /> EQUIPMENT CLEANING iI <br /> • Sampling equipment (sampler) was washed with a brush in a solution of high-purity <br /> ' phosphate-free soap and potable water, then rinsed with potable water followed by <br /> i double rinsing with deiornzed water prior to each sampling run <br /> • Downhole equipment and vehicles which warrant it, were steam cleaned prior to leaving <br /> site at completion of sampling <br /> INVESTIGATION-DERIVED RESIDUALS <br /> f <br /> � Soil cuttings were placed in labeled 55-gallon DOT-approved drum Decontamination <br /> water was contained in labeled 55-gallon DOT-approved drums with bolt-on covers All {{{ <br /> residuals generated during sampling activities were stored at the site. <br /> I <br /> t � 1 <br /> Z <br /> sR <br /> i yab19B1 699 Cl%phase Kappan"doe B-2 <br /> ! � Il <br /> Il <br />