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Application Rale Three inches of wafer treatment plant residuals applied on <br />Dry Tons Per Acre: regraded sub-soil slopes <br />Agronomic Rate of 170.89 DT/Ac - Based on average %T.S. from all three IYTPs <br />Crop(s): Native range grasses - 40 pounds available Nitrogen <br /> Per Colorado State University Guide to Fertilizer <br /> Recommendations; Service in .action no 0.536, July 1995 (See <br /> attachment) <br />Seed bed Preparation: After regrading, the sub-soil will be tilled to 8 inches. The top <br /> soil mixture applied to a depth not to exceed 4 inches. <br />Depth To Bedrock: Greater Than 60 inches, per Soil Survey of Boulder County Area, <br /> Colorado; January 1975 (see attached) <br /> North Reclamation Area existing exposed. after regrading 5 to 15 <br /> feet <br /> South Reclamation Area existing exposed. after regrading 2 to 5 <br /> feet <br />Depth To Groundwater: Greater Than Five Feet, per Soil Survey of Boulder C~~unty area. <br /> Co]orado,January 1975. <br /> No }yells are registered in section 2"r }+:th the Colorado <br /> Department of Water Resources Ottices. <br /> North Reclamation Area existing 20 to 30 feet. after regrading 30 <br /> to 35 feet <br /> South Reclamation Area existing on su-~ace in springy,. after <br /> regrading 1 to 5 feet <br />General Slope Of Site: After regrading of sites <br /> North Reclamation site 5.1 to 3:1 slopes (see a.lached) <br /> South Reclamation site 20.1 slopes <br />Erosion Control: 1. Erosion control blanket (500 c...) up gradient from Coal <br /> Creek on the edge of the south side of the north site, <br /> 2. Natural drainage Swale to be re-established on the <br /> southwest 7 acres diverting erosion flow to level ground <br /> below mesa. <br /> 3. Silt conlrolfence and hay bales to protect from wind and <br /> water erosion on northern edge of north site and around <br /> wetlands areas down ?radient from site. <br />is T'he Site To Receive More Yes. Because of size of sites It will take several years of water <br />Than One Residual treatment plant residuals production to manufacture the amount <br />Application?: of residuals needed. <br />Page 3 <br />