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<br />Mr. Ralph Lopez -2- March 30, 1994 <br />Basin Resources, Inc. <br />The Division is concerned that the slope stability of the refuse pile may be compromised in those <br />locations where this relatively wet refuse is allowed to sit. Although factors of safety have <br />been calculated for the refuse pile in general, there is no indication that the affect on slope <br />stability from the placement of relatively high moisture refuse on top of the refuse pile has been <br />determined for specific areas, such as the temporary stockpile area and the windrow areas. <br />Please provide documentation that the factor of safety is greater than 1.5, per Rule 4.09.2(1), <br />for the temporary stockpile area and for the windrow areas. <br />Because of the importance of this situation, the Division would like this documentation provided <br />in a timely fashion. If you have any questions, please call me. <br />Sincerely, <br />D..~.R <br />sep J. dash <br />Environmental Protection Specialist <br />JJD/bjw <br />cc: Dan Hernandez, DMG <br />m:\oss\bjw\jjd <br />