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<br />' NCEC - 1990 BYDROIAGY REPORT <br />' 1.0 INTRODIICTION <br />1.1 Report Contents <br />' New Castle Energy Corporation's (NCEC) 1990 Annual Hydrologic <br />Report contains information required by Permit Stipulation No. 3, <br />Coal Ridge No. 1 Mining and Reclamation Permit, File No. C-89-065. <br />' This report includes data tables which include the baseline <br />groundwater data, as well as data collected during the operational <br />' period. Where appropriate, graphs have been prepared from the <br /> data. This report also includes a di scussion of future monitoring <br />~' , plans as proposed in the recent MLRD approved Permit Revision. <br />1.2 Activities in 1990 <br />' Since NCEC's temporary cessation of activity in spring of 1986, <br /> there has not been any mining activity at the site. The partially <br />' completed min e portals remained sealed during all of 1990. <br />' Despite the shut down of operations, the monitoring program was <br />maintained during 1990 on a quarterly/annual basis, for field <br />parameters and lab analyses, respectively. The wells monitored <br />during 1990 reflect the changes in the monitoring system made by <br />MLRD in June, 1988. <br /> <br /> <br />' Adrian Brown Coasultants -1- ReP:1145/930130MG.HYD <br />1 <br /> <br />