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Application Rate Three inches of water 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 WTPs <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 =1 inch's. <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 regra~Jing 5 to 15 <br /> feet <br /> South Reclamation Area existing exposed. after regra~Jing 2 to 5 <br /> feet <br />Depth To Groundwater: Greater Than Five Feet, per Soi] Survey of Boulder County Area. <br /> Colorado; January 1975. <br /> No wells are registered in section 27 with the Colorado <br /> Department of Water Resources Offices. <br /> North Reclamation Area existing 20 to 30 feet, after regrading 30 <br /> to 35 feet <br /> South Reclamation Area existing on surface in spring 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 attached) <br /> South Reclamation site 20:1 slopes <br />Erosion Control: ]. Erosion control blanket (500 c.y.) 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 o:~ the <br /> southwest 7 acres diverting erosion flow to level ground <br /> below mesa. <br /> 3. Silt control fence and hay bales to protect from wind and <br /> water erosion on northern edge of north site, and around <br /> wetlands areas down gradient from site. <br />is The Site To Receive More Yes. Because of size of sites ]t 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 />