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• Weed and Pest Control <br />Noxious weeds will be controlled on the revegetated areas of the mine site. Upon <br />identification of an infestation, OEI will implement control measures. Control <br />measures will be implemented based on recommendations of the local NRCS or <br />agricultural extension office. OEI will modify the permit as necessary to address the <br />measures to be implemented. <br />Fertilization <br />Soils will be tested after respreading and prior seeding to determine the necessity of <br />applying fertiliser. Fertilization rates will be based on the recommendations of the <br />local NRCS or agricultural extension office and will reflect the nutrient requirements of <br />the species in the seed mix. Fertilization may be delayed up to three growing seasons <br />after initial planting to minimize weed growth in the reseeded areas. <br />ReveEetation Success Criteria <br />The criterion for evaluation of revegetation success for the approved post-mining land <br />use is vegetation cover. This vegetation cover must be sufficient to control erosion. <br />• Based on sampling at other mines sites in the azea and the pre-mining vegetation <br />studies, a revegetation cover standard was established. <br />The following will be the revegetation success criteria for the Carbon Junction Mine: <br />Vegetation Cover <br />Vegetation cover of the reclaimed area will be successful when vegetation cover is 90 <br />percent of the cover standard of 40 percent with 90 percent statistical confidence. <br />Herbaceous Production <br />There is no herbaceous production revegetation success standard. <br />Woody Plant Density <br />There is no woody plant density revegetation success standard. <br />Species Composition <br />There is no species composition revegetation success standard. <br />• <br />Technical Revision 08 (v 1.3) 5-27 Revised 911997 <br />