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u <br /> HISTORICAL SUMMARY OF MONITORING RESULTS <br /> GROUNDWATER <br /> HARNEY LANE SANITARY LANDFILL <br /> MW-2 <br /> Units:mg/l,unless noted <br /> Sample Designation MW-2 MW-2 MW-2 MW-2 MW-2 MW-2 MW-2 MW-2 MW-2* MW-2 MW-2 MW-2 MW-2 MW-2 MW-2 MW-2 MW-2 <br /> Sampling Date 8/3/92 11/2/92 2/1/93 5/3/93 7/19/93 11/8/93 2/1/94 4/28/94 4/28/94 8/1/9411/28/94 2/1/95 5/4/95 8/1/95 11/2/95 2/26/96 4/30/96 <br /> Monitoring and Field Parameters <br /> General Water Quality Parameters <br /> Electrical Conductivi umhos/cm 398 377 396 366 447 322 _255 301 296 350 297 283 304 303 325 308 302 <br /> - -- <br /> 7.06 7.07NR 1 NR 7.58 7.02 7.77 6.87--6.71 __- <br /> 712-__7 11- 7 61 _7 09 _7 18 7.27 _ 7.25 6.89 7.06 6.80 <br /> Turtjdity(NTU) NR NR NR NR NR NR NR NR 1.0 1.0 2.0 11 1.3 1.5 0.1_ <br /> Temperature(°C) _ NR NR NR NR NR NR NR NR NR NR 20.1 20.1 21.8 23.8 20.1 17.5 21.9 <br /> Total Dissolved Solids _ 390 320_ 2.70 250 260 240 5.50 240 NR 240 202 220 240 200 230 -2-40- 220 <br /> Chloride 18 18 19 18 18 _20 25 14 NR 17 8.0 16 30 19 18 19 20 <br /> Sulfate __ NR NR NR <5 NR NR NR <8 NR__NR 1 6 _ 3__._ trace_ trace trace 4 _3.2 <br /> -- <br /> Nltrate NitT eri 17 1.7 1.7 1.8 -1.8 1.5 1.3 1.5 NR 1.6 NR trace 1.7 1.7 <0.03 1.5 1.3 <br /> Volatile Organic Compounds(ug/D <br /> Acetone <br /> _ -<O.3 <br /> CarbonTetrachloride _ NRNR_ NR <05 - -NR <05- --<0.5 <05 <05.__. <br /> Chlorobenzene <br /> 1,2-Dichlorobenzene <br /> 1,4-Dichlorobenzene <br /> Dichlorodifluoromethane NR NR NR <1 NR <1 3.2 2 2.9 2 <1 1.9 trace trace <0.3 trace 2 <br /> 1,2-Dichloro ro ane NR NR NR <0.5 NR <0.5 <0.5 <0.5 NR <0.5 <1 <0.5 <0.31 <0.5 <0.5 trace <0.3 <br /> Methylene Chloride <br /> Tetrachloroethene NR NR NR <0.5 NR <0.5 0.8 0.5 0.7 0.6 NR 0.6 <0.44 <0.3 trace trace trace <br /> Toluene <br /> Trichlorofluoromethane <br /> Xylenes Total <br /> Only organic compounds detected in one or more samples are listed. <br /> [1]This analytical result appears to be anomalous and therefore was not used in the statistical evaluation procedures. <br /> (1)Parameter also detected in one or more quality control blanks <br /> *=Trace Concentration <br /> NR=Not Reguested. <br /> 3 of 8 <br /> nn�nr_o•Crin4oil•R/A/n3 <br />