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Units: mgn, unless noted <br />HISTORICAL SUMMARY OF ANALYTICAL RESULTS <br />GROUNDWATER <br />FOOTHILL, SANITARY LANDFH J <br />Sample Designation <br />Sampling Date <br />MW-1 <br />11/28/94 <br />MW-1 <br />4/21/95 <br />MW-1 <br />7/6/95 <br />MW-1 <br />1/22/04 <br />MW-1 <br />1/5/96 <br />MW-1 <br />4/2/96 <br />MW-1 MW-1 MW-1 <br />7/9/96 10/2/96 1/16/97 <br />MW-1 <br />4/10/97 <br />MW-1 <br />7/10/97 <br />MW-1 <br />10/3/97 <br />MW-1 <br />3/11/98 <br />MW-1 <br />4/30/98 <br />MW-1 <br />7/7/98 <br />MW-1 <br />10/9/98 <br />MW-1 <br />1/15/99 <br />MW-1 <br />4/1/99 <br />MW-1 MW-1 <br />7/7/9910/20/99 <br />Monitoring and Field Parameters <br />General Water Quality Parameters <br />Temperature (°C) (field) <br />Chloride <br />13.7 <br />6.3 <br />20.2 <br />4.9 <br />22.5 <br />5 <br />21.5 <br />6 <br />18.6 <br />6 <br />21.3 <br />5 <br />22.3 21.8 15.2 <br />6 6 4.7 <br />24.4 <br />4.7 <br />21.5 <br />4.7 <br />22 <br />6.1 <br />19.5 <br />8 <br />20.6 <br />6.8 <br />22.7 <br />6.5 <br />14.4 <br />11 <br />18 <br />0.23 <br />20.8 <br />8.2 <br />20.1 <br />6.7 <br />21.3 <br />6.09 <br />Nitrate-Nitrogen <br />2.4 <br />2.6 <br />2.4 <br />2.3 <br />2.1 <br />2.5 <br />2.3 2.9 2.1 <br />2.4 <br />2.3 <br />2.4 <br />3.4 <br />2.8 <br />12 <br />3.8 <br />2.3 <br />2.6 <br />2 <br />2.44 <br />Total Dissolved Solids <br />Sulfate <br />186 <br />6.5 <br />200 <br />4.9 <br />160 <br />6 <br />240 <br />7 <br />230 <br />6 <br />230 <br />6 <br />250 210 225 <br />6 7 4.9 <br />187 <br />5.1 <br />194 <br />4.8 <br />216 <br />6 <br />196 <br />6.5 <br />186 <br />6.6 <br />202 <br />6.4 <br />210 <br />7.7 <br />162 <br />6.5 <br />163 <br />5.9 <br />182 <br />6.3 <br />187 <br />7.43 <br />PH (std. units) (field) <br />Electrical Conductivity (umhos/cm) (field) <br />8.48 <br />287 <br />7.89 <br />245 <br />7.81 <br />263 <br />7.86 <br />269 <br />7.97 <br />246 <br />7.35 <br />236 <br />7.65 7.25 9.28 <br />257 245 610 <br />7.65 <br />153 <br />7.83 <br />173 <br />7.93 <br />278 <br />7.97 <br />224 <br />8.03 <br />245 <br />8.22 <br />237 <br />7.32 <br />207 <br />8.37 <br />243 <br />7.08 <br />235 <br />7.77 <br />236 <br />8.06 <br />237 <br />Turbidity (NTU) (field) <br />36.9 <br />18 <br />34 <br />14 <br />11 <br />20.8 <br />51.9 16.9 2.27 <br />3.47 <br />2.69 <br />56.5 <br />1 <br />29.6 <br />4 <br />14.7 <br />LOW <br />3.25 <br />1.43 <br />1.23 <br />Calcium <br />Potassium <br />Magnesium <br />Sodium <br />Volatile Organic Compounds (ug/I) <br />Trichloroethene (TCE) <br /><0.89 <br /><0.89 <br /><0.89 <br /><0.89 <br /><0.89 <br /><0.89 <br /><0.89 <br /><0.89 <br /><0.06 <br />1,1-Dichloroethene <br /><0.72 <br /><0.72 <br /><0.72 <br /><0.72 <br /><0.72 <br /><0.72 <br /><0.72 <br /><0.72 <br /><0.04 <br />Chloroform <br /><0.83 <br /><0.83 <br /><0.83 <br /><0.83 <br /><0.83 <br /><0.83 <br /><0.83 <br /><0.83 <br /><0.06 <br />Benzene <br /><1.0 <br /><1.0 <br /><LO <br /><0.04 <br />m/0-Xylene <br /><0.78 <br />®.78 <br /><0.78 <br />W.21 <br />Chlorobenzene <br />2.6 <br /><0.07 <br />Methylene Chloride <br /><0.03 <br />Acetone <br />Napthalene <br />Methyl ter-butyl ether <br />Toluene <br />1,4-Dichlorobenzene <br />Teuachloroethene <br />2-Butanone <br />1,3-Dichloropropane <br />Chloromethane <br />1,2,4-Tnrnethylbenzene - -- <br />1,3,5-Trimethylbenzene <br />Constituents of Concern Parameters <br />Semivolatile Organic Compounds (EPA Method 3520/8270) <br />All Compounds ND NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR ND <br />Organochlorine Pesticides and Polvchlorinated Biphenvrs <br />(EPA Method 3510/8080) <br />All Compounds ND NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR ND <br />• = Trace Concentration <br />[I ] This analytical result appears to be anomalous and therefore was not used in statistical evaluation procedures. <br />(I } Parameter also detected in one or more quality control blanks <br />ND = Not Detected <br />NM = Not Measured <br />NR = Not Required <br />® n:1co to ctsWjW9l285M07gl M= <br />