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Water, Waste & Land, Inc. Statement of qualifications <br />• 11 • <br />Twentymile Park Project (Getty Oil Company) Oak Creek, Colorado <br />Water, Waste & Land, Inc. conducted a study of ground water hydrology in the <br />vicinity of a proposed underground coal mine. The existing flow regime was characterized <br />and included in a model, which accounted for mining sequences and changes that would <br />occur to the regional and local piezometric surface. Impacts on mine inflow and the <br />hydrologic environment were identified. <br />Purgatoire River Project (C F & I Steel Company) Trinidad, Colorado <br />Surface and ground water characterization studies were conducted o~Yer a five-mile <br />segment of the Purgatoire River. Five monitoring wells were designed and installed in the <br />river valley alluvium and contiguous bedrock. Aquifer tests were cohducted and <br />interpreted and water quality was analyzed. Geologic investigations were Undertaken to <br />aid in determining flow regimes. The results of the surface and ground water <br />characterization study were interpreted to provide predictions of potential adverse <br />environmental impacts to regional and local water resources. <br />Keenesburg Mine Project (Coors Energy Company) Keenesburg, Colorado <br />Water, Waste & Land, Inc. designed and installed twenty-one monitoring wells in <br />an area proposed for a strip coal mine. Aquifer tests were conducted and int@rpreted, and <br />water quality samples were collected and analyzed. Predictions of impadt to ground <br />water were made along with recommendations for the mitigation of thdse potential <br />impacts. Annual water quality sampling and analysis programs were dbsigned and <br />implemented. <br />Darwin Project iAnaconda Minerals Company) Darwin, California <br />Water, Waste & Land, Inc. conducted pump tests and analyses of Water supply <br />conditions for a tailings heap leach operation in the Mojave Desert. A slmall alluvial <br />aquifer was evaluated for makeup water production and other potential water sources <br />were investigated. <br />Shirley Basin Mine (Pathfinder Mines Corporation) Shirley Basin, Wyoming <br />Water, Waste & Land, Inc. conducted a study to characterize the subsurface <br />hydrologic environment at an existing uranium tailings impoundment. The study included <br />drilling, pump testing, piezometer installation, and water level and water quality <br />monitoring. We also made an evaluation of the stability of tailings impoundment <br />embankments at the site and developed a program for monitoring stability, including <br />periodic training of company personnel in the operation of the program. <br />