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<br />' INTRODUCTION <br />1 <br /> The Empire Energy Eagle No. 5 Mine is an underground coal mine located <br /> approximately seven miles south of Craig, Colorado (Figure 1). The areal <br /> extent of the underground workings in the No. 5 Mine was approximately <br />' 1,800 acres at the end of 1986. The coal being mined is from the <br /> Cretaceous Age Williams Fork Formati on, "F" Seam. <br /> Hydrologic monitoring has been conducted at the mine site since 1980. <br />' This report presents the results of the 1986 monitoring. This report <br /> fulfills the requirements of Stipulation No. 7 in the mining permit for <br />' the No. 5 Mine. The permit <br />of the monitoring prior to application for the mine contains <br />April, 1983. The complete 1983, a discussion <br />1984 and 1985 <br /> monitoring is presented in the respective Annual Reports. <br />' The hydrologic monitoring is divided into two parts: 1) ground water and <br />2) surface water. The monitoring locations are shown on Figure 2 and <br />summarized on Table 1. The water quality monitoring includes field <br />' parameters (Table 2), water quality parameters (Table 3) and NPDES <br />parameters (Table 4). All of the monitoring is carried out by Empire <br />Energy personnel. The water quality samples are analyzed by ACZ <br />' Laboratories (formerly Bookcliffs Commerical Laboratories), Steamboat <br />Springs, Colorado, a USEPA certified laboratory. This report includes <br />data collected specifically to meet requirements of the Colorado Mined <br />Land Reclamation Division (CMLRD) as well as data collected to meet the <br />' requirements of the Colorado Wastewater Discharge Permit System (NPDES <br />permits). A complete listing of all the water quality data is submitted <br />separately. <br /> <br /> <br />1 <br /> <br />1 <br /> <br /> <br /> <br />