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KL EI NEELDER <br /> 6 ASSUMPTIONS AND LIMITATIONS <br /> 6.1 SIGNIFICANT ASSUMPTIONS <br /> The scope of work described in this workplan is based upon the following assumptions: <br /> • Musco Olive Products will supply Kleinfelder with written authorization from the property <br /> owner(s) to access to the site for the proposed sampling. <br /> ■ Adequate work space and access will be provided. <br /> • Drilling/sampling derived wastes will be generated during the proposed investigation. <br /> Excess drilling returns will not be contained and will be left on site. Water generated during <br /> drilling and water derived from equipment decontamination will not be contained and will be <br /> left on site (dispersed over the land surface as not to flow into the nearby natural drainage). <br /> ■ Penetrating the ground surface is inherently risky. It is impossible to determine with <br /> certainty the precise location of all structures (such as septic system tanks or leach fields) <br /> which may be buried in-the ground. Kleinfelder's fee is not adequate to compensate for both <br /> the performance of the services and the assumption of risk of damage to such structures. If or <br /> utilities on site are damaged by our field activities, repairs will be necessary in order to <br /> provide continued service. Utility repairs are not included in Kleinfelder's fees. <br /> Underground Services Alert(USA) at 1-800-642-2444 provides a partial location service free <br /> of charge for major utility lines. Kleinfelder will require the drilling subcontractor to contact <br /> USA. Musco Olive Products will be responsible for locating buried structures located on <br /> their property. <br /> • The two (2) deep soil borings located at the one million gallon storage pond and proposed 72 <br /> million gallon storage pond areas will be advanced to a maximum depth of 200 to 250 feet <br /> below the ground surface or until groundwater is encountered. The soil borings will be <br /> drilled with a truck mounted drill rig equipped with 10-inch hollow stem augers. Hollow <br /> stem auger was selected over mud rotary drilling methods in order to obtain the most <br /> undisturbed sample of aquitard material and to reduce the effects of introducing drilling <br /> 20-2594-03.WP2/2011R002 Page 10 of 12 <br /> Copyright 2000 Kleinfelder,Inc. December 29,2000 <br />