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NOV C-93-146 <br />Rimrock Mine <br />This NOV was issued for failure to maintain a sediment pond to <br />design specifications. <br />HISTORY <br />Six NOV's (C-93-005, 053, 055, 085, 100 and 111) and one cessation <br />order (C-93-054) have been issued at this mine during the past <br />twelve months. $550 is assessed for history. <br />While there was no documented evidence of environmental damage as <br />a result of this violation, failure to maintain the pond created <br />the potential for pond discharges which are not in compliance with <br />the minus NPDES permit. $250 is assessed for low seriousness. " <br />FAULT <br />The operator was negligent in not maintaining the pond. The <br />sediment in the pond accumulated over some unknown period of time <br />during which the operator had the opportunity to remove the <br />sediment. $500 is assessed for negligence. <br />GOOD FAITH <br />There is no evidence of good faith in the file. <br />