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k%J K L E I N F E L D E R <br /> i Our calculations are as follows: <br /> I <br /> Low Estimate <br /> N, = 25 (2) (40) (1 — .25) + (3)(2.2 ) <br /> ,21(2)+3 <br /> 15 +6.6 =6.29 me/Ias <br /> 3.5 <br /> High Estimate <br /> f N, = 25 (2)(60)(1 - .25)+ 3 (2.2) <br /> .25(2)+3 <br /> 22.5 + 6.6 = 3.3 nr,/I as N <br /> 3.5 <br /> Very little information is available on this subject in the available reports. In the Chico area study <br /> the CRWQCB used a value of 2.2. mg/l reflecting primarily the fact that rainwater is relatively <br /> clean. <br /> With the existing nitrogen level in the groundwater measured at 1.05 mg/l, both the high and low <br /> estimates are still below the maximum contaminate level of 10 mg/l for nitrogen. Based on this <br /> analysis, we conclude that the clubhouse will not cause a rise in the nitrate levels above the state <br /> standards for the general groundwater conditions beneath the golf course area. <br /> We trust this summarizes the information requested. If you have any questions or need <br /> additional information, please contact us. <br /> Respectfully submitted, <br /> KLEINFELDER, INC. <br /> i <br /> �kl' <br /> Ron Heinzen, G.E. <br /> Regional Manager/Senior Principal <br /> RTH:md <br /> 20-1096-15/20.19L293 Page 3 of 3 <br /> Copyright 1998 Kleinfelder,Inc. May 13, 1999 <br />