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�i <br />The treatment ponds will be periodically cleaned of algae, cattails and sediment. The <br />pond sediment is saturated so transport after initial pond cleaning will not be performed. <br />The pond cleanings will initially be stored next to and above the ponds. After a suitable <br />drying period, the pond cleanings will be permanently disposed of in the area shown on <br />drawing D-2-5. Pond cleanings will be covered with at least two feet of soil. Since pond <br />cleanings are only generated every five to ten years, the disposal site will be vegetated <br />with the permanent seed mixture after each use. <br />Each use of the disposal site will require the burial of up to 100 cubic yards of pond <br />cleanings. A 3 -foot deep disposal area 35 -feet by 45 -feet will contain 100 cubic yards. <br />Pond cleanings disposal will consist of the following activities: <br />1. Topsoil and existing vegetation will be salvaged from the disposal site. <br />2. The disposal trench will be excavated. <br />3. Pond cleanings will be transported and placed in the disposal trench. <br />4. Pond cleanings will be covered with at least two feet of soil. <br />5. The salvaged topsoil will be placed over the disturbed area. <br />6. The disturbed area will be seeded with the permanent seed mixture. <br />Existing vegetation consists of grasses and small brush. This vegetative mixture will be <br />salvaged with the topsoil to enhance re -vegetation efforts. The entire disposal process <br />should not take over one week. Therefore, some of the vegetation contained in the topsoil <br />should re-establish and accelerate the re -vegetation process. <br />4-66i <br />11/99 <br />