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rr r �r rr rr rr rr rr rr rr rr rr r rr rr r rr r rr <br /> HISTORICAL SUMMARY OF MONITORING RESULTS <br /> GROUNDWATER <br /> HARNEY LANE SANITARY LANDFILL <br /> MW-3 <br /> Units:mo,unless noted <br /> Sample Designation NM-3 MW-3 Mw-3 MW-3 MW-3 MW-3 MW-3 MW-3 MW-3 MW-3 MW-3 MW-3 MW-3 MW-3 MW-3 MW-3 MW-3 <br /> Sampling Date 1]/1/96 2/12/97 6/6/97 8/7/97 11/7/97 2/2/98 4/17/98 7/17/98 10/26/98 1/18/99 4/14/99 7/8/99 10/18/99 1/21/00 7/13/00 10/11/00 <br /> Monitoring and Field Parameters <br /> General Water Quality Parameters <br /> Temperature(°C) 19.8 17.7 21.0 22.4 67.7 18.8 19.1 25.0 19.7 18.6 20.6 20.4 19.8 18.8 19.6 21.7 19.8 <br /> Electrical Conductive (umhos/cm) 230 230 262 185 237 236 212 274 234 238 243 233 233 240 236 247 238 <br /> pH(un1ts) 6.82 8.20 7.42 7.30 7.27 7.30 7.94 6.92 7.12 7.49 7.43 7.01 7.01 7.89 7.87 7.47 6.88 <br /> Turbidity(NTU) 0.3 0.65 1.3 0.73 0.14 6,27 37.3 0.2 0.8 044 3.7 141 0.96 0.49-0.25 1 91 0.23 <br /> Total Dissolved Solids 180 192 260 200 201 177 138 200 140 187 195 200 195 193 161 170 173 <br /> Chloride 11 9.5 11 9.8 10 14 13 14 14 13 20 15 12.8 12.4 13.2 12.3 14.1 <br /> Nitrate-Nitrogen NR NR NR 7.1 NR NR 1.6 NR NR NR NR NR 1.48 NR NR NR 1.67 <br /> Sulfate NR NR NR 3.8 NR NR 5.1 NR NR NR NR NR 4.93 NR NR NR 6.09 <br /> Volatile Organic Compounds(ug/1) <br /> Benzene <br /> Carbon Tetrachloride <0.3 <0.3 <0.1 NT <0.21 <0.21 <0.21 <0.21 <0.21 <0.21 <0.21 <0.21 <0.06 <0.5 <0.95 <0.95 40.17 <br /> Chlor1,2-Dichlorobenzene <br /> <0.23 <0.23 <0.07 <0.7 <0.62 <0.62 <0.20 <br /> 1,2-Dichlorobenzene <br /> 1,4-Dichlorobenzene 10.17 10.17 10.11 <i 10.99 10.99 10.24 <br /> Dichlorodifluoromethane 10.4 10.4 10.1 NT <0.3 <0.3 <0.3 <0.31 <0.31 <0.31 <0.31 <0.31 <0.07 <0.13 <0.76 <0.76 <0.76 <br /> 1,2-Dichloropropane <0.3 <0.3 <0.1 NT <0.22 <012 7<0-.22 <0.22 <0.22 <0.22 <0.22 <0.22 <0.07 <0.5 <0.74 <0.74 <0.22 <br /> Methylene Chloride 0.0634* <2 11.88 <1.88 <0,11 <br /> Tetrachloroethene <0.3 <0.3 <0.1 NT <0.24 <0.24 <0.24 <0.24 <0.24 <0.24 <0.24 <O.24 10.07 10.5 10.57 10.57 10.20 <br /> Trichloroethane <br /> Toluene <br /> Trichlorofluoromethane <0.04 <5 <0.54 <0.54 <0.15 <br /> Xylenes(Total) <br /> Only organic compounds detected in one or more samples are listed. <br /> [I]This analytical result appears to be anomalous and therefore was not used in the statistical evaluation procedures. <br /> {I)Parameter also detected in one or more quality control blanks(indicated for data from 1-18-99 to present) <br /> " =Trace Concentration <br /> NR=Not Requested. <br /> MW-3;Printed:3/22/2007 <br /> 3of10 <br />