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Table 2 <br /> Concentration Limits, MW-4 EMCON <br /> Corral Hollow Sanitary Landfill Project 939-03.18 <br /> (continued) 1 st Quarter, 1995 <br /> Number of Mean, Standard Tolerance Lower Tolerance Upper Tolerance <br /> Samples, N x Deviation, s Factor, K Limit Limb <br /> General Water Quality Parameters <br /> (mg/I, unless noted) <br /> Alkalinity, Bicarbonate 21 332 23 2.371 NA 387 <br /> Alkalinity,Carbonate 20 2.10 1.07 2.396 NA 4.67 <br /> Alkalinity,Total 22 238 130 2.350 NA 544 <br /> Chloride 23 290 33 2.329 NA 367 <br /> Cyanide,Total 1 NA NA NA NA NA[2] <br /> Electrical Conductivity(umhos/cm) 20 2,011 654 2.396NA 3,578 <br /> Nitrate-Nitrogen [4] 22 7.38 4.43 2.350 0.1 NA <br /> pH (units) 19 7.44 0.204 2.784 6.87 8.01 <br /> Sulfate 23 662 196 2.329 NA 1,119 <br /> Sulfide 22 0.363 1.28 2.350 NA 3.36 <br /> Total Dissolved Solids 23 1,783 83 2.329 NA 1,976 <br /> Total Organic Carbon 22 4.14 5.82 2.350 NA 18 <br /> NA_ not applicable <br /> [1]=The upper tolerance limit was set at five times the method detection limit due to an insufficient number of detected values. <br /> [2]=Tolerance limits will be established following the attainment of four quarters of data. <br /> [3]=The W-test indicated that the analytical data for this parameter is lognormaliy distributed;the tolerance limit was set using lognormal data. <br /> [4]=The calculated tolerance limit for nftrate-nitrogen was less than zero;therefore the lower tolerance limit was set at the method detection limit. <br /> In calculating tolerance limits, results below method detection limits were assigned values equal to half the method detection limit and <br /> "trace"values were assigned values equal to hall the practical quanititation limit plus hall the method detection limit. <br /> H:\exce1\corra1\CAPMW-4.XLS Date Printed:4/21/95 <br />