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solutions included: (1) low fertility of processed shale improved <br />by nitrogen and phosphorous fertilization; (2) poor infiltration <br />rate of processed shale improved by mulching, soil cover, and <br />vegetation establishment; and (3) high soluble salt content in <br />the root zone decreased by leaching, soil cover, or obviated <br />through the use of selected salt-tolerant species. <br />As a result of nearly 15 years of reclamation research, a general <br />reclamation plan has been formulated for TOSCO II processed shale. <br />Following initial placement, shaping, contouring and compaction <br />of the processed shale in the disposal embankment, topsoil will <br />be spread over the embankment surface to a 6 to 12 inch depth. <br />A nitrogen-phosphorous fertilizer will then be applied to the sur- <br />face. The embankment will be leached approximately 40 inches of <br />water using a sprinkler irrigation system. Next, a mixture of <br />suitable plants will be seeded and the surface mulched. Watering <br />and fertilization will continue as necessary for two years after <br />. the initial surface preparation and seeding. Transplants of <br />native shrubs and trees will be randomly clumped at any time up <br />to five years later to help blend the disposal embankment with <br />the surrounding area and provide cover and habitat for wildlife. <br />Livestock and possibly wildlife will be excluded from the area <br />being reclaimed during the intial plant establishment phase in <br />order to reduce damage to the new vegetation. <br />Because the embankment is designed to allow continued disposal of <br />processed shale during the 20 year life of commercial retorting <br />operations, the uppermost surface of this embankment will not be <br />planted until long after the initial vegetation has been established <br />on the lower slopes. During this interval, additional information <br />will be gained from the ongoing reclamation efforts. Because of <br />this, the overall revegetation program will be kept flexible so <br />that specific actions, plans and methods may be revised in order <br />E-28 <br />