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4. OVERBURDEN SAMPLING -REGRADED AREAS <br />• Requirement <br />As outlined in Permit Exhibit 6. Geological Information, Item #4, Overburden Sample Progam of the <br />Colowyo Pem>it, a regaded overburden sampling program is required at a density of one sample per Sve <br />acres of regaded area. <br />Response <br />Colowyo continues to utilize the "State Plane Coordinate System" u the grid system for sampling <br />regaded overburden areas. Refer to Exhibit 10. 1996 Annual Report Mao, for the location of the <br />sampled areas. Use of the intersecting lines provide a uniform square grid system of approximately five <br />acres per square. During 1996 a total of 20 regaded azea samples were obtained representing <br />approximately l00 acres of additional regaded overburden area. The analyses are provided in Exhibit <br />9 - Reffaded Overburden Samolin¢ <br />No suspect materials were encountered during the sampling progam. <br />• <br />• <br />9 <br />