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HISTORICAL SUMMARY OF ANALYTICAL RESULTS <br />GROUNDWATER <br />NORTH COUNTY SANITARY LANDFILL <br />G-2 & G-3 <br />Sample Type: Water <br />11 -if- -11 -1..e -f-1 <br />amp a Designation <br />Sampling Date <br />-2 <br />12/1/94 <br />-2 <br />1/3/95 <br />-2 <br />4/3/95 <br />G-2 <br />717/95 <br />-2 <br />10/2/95 <br />G-2 <br />1/2/96 <br />G-2 <br />4/5/96 <br />G-2 <br />7./1.0/96_1118/89 <br />-3 <br />-3 <br />11/6/90 <br />-3 <br />1/24/91 <br />-3 <br />4/10/91 <br />-3 <br />7/22/91 <br />G-3 <br />4/2/92 <br />G-3 <br />7/2/92 <br />G-3 <br />4/8/94 <br />Monitorine and Field Parameters <br />Water Quality Parameters <br />_General <br />Temperature (°C) <br />19.0 <br />18.2 <br />27.0 <br />22.5 <br />21.3 <br />18.8 <br />21.5 <br />20.7 <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />Chloride <br />7.4 <br />8.1 <br />6 <br />6 <br />8 <br />7 <br />7 <br />7 <br />38 <br />12 <br />6 <br />6.9 <br />9 <br />9 <br />18 <br />5 <br />Nitrate Nitrogen <br />Total Dissolve o Aids <br />1.5 <br />189 <br />1.3 <br />180 <br />1.4 <br />200 <br />1.5 <br />220 <br />1.3 <br />280 <br />1.2 <br />210 <br />1.3 <br />230 <br />1.3 <br />220 <br />1.3 <br />310 <br />1.1 <br />180 <br />1.4 <br />165 <br />1.3 <br />230 <br />1.2 <br />170 <br />1.1 <br />180 <br /><0.1 <br />340 <br />1.6 <br />170 <br />Sulfate <br />3.5 <br />3.5 <br />trace <br />3 <br />5 <br />4 <br />trace <br />4 <br />NR <br /><8 <br /><8 <br /><8 <br /><8.0 <br /><8 <br />5 <br /><8 <br />pH (std. units) 7.22 <br />Electrica Conductivity (umhos/cm) 236 <br />Turbidity (NTl7) ffield 1.7 <br />7.K-7-086-18 <br />-21020-2- <br />1.0 <br />0.20 <br />237 <br />NT <br />7.13 <br />241 <br />5 <br />7.38 <br />223 <br />7.2 <br />6.97 <br />210 <br />3 <br />7.01 <br />224 <br />2.9 <br />7.36 <br />330 <br />NR <br />7.43 <br />253 <br />NR <br />3.58 [1) <br />220 <br />NR <br />7.35 <br />229 <br />NR <br />7.49 <br />206 <br />NR <br />7.11 <br />218 <br />NR <br />7.03 <br />451 <br />NR <br />7.16 <br />153 <br />NR <br />Volatile Organic oounds (ua/I) <br />_Com <br />Acetone <br /><4.4 <br /><4.4 <br /><4.4 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><10 <br />27 <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />Acetonitrile <br />NT <br />NT <br />- [JT <br />NT <br />NT <br />NT <br />NT <br />T <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />T <br />NT <br />Acrolein <br />NT <br />NT <br />NT <br />NT <br />NT <br /><4 <br /><4 <br /><4 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />Acrylonitrile <br />_Allyl&eechloride <br />nzene <br />NT <br />NT <br /><0.36 <br />NT <br />NT <br /><0.36 <br />-NT <br />NT <br /><0.36 <br />-NT NT <br />NT [JT <br /><0.5 <0.5 <br /><2 <br />NT <br /><0.5 <br /><2 <br />NT <br /><0.5 <br /><2 <br />NT <br /><0.5 <br />NT <br />NT <br /><1 <br />NT <br />NT <br /><1 <br />NT <br />NT <br />NR <br />NT <br />NT <br />NR <br />NT <br />NT <br />NR <br />NT <br />NT <br />NR <br />NT <br />NT <br />NR <br />NT <br />NT <br />NR <br />Bromobenzene <br />NT <br />NT <br />NT <br />NT <br />NT <br /><0.1 <br /><0.1 <br /><0.1 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />Bromochlorometha ee <br />NT <br />NT <br />T <br />NT <br />NT <br /><0.2 <br /><0.2 <br /><0.2 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />Bromodichloromete <br />NT <br />T <br />NT <br />NT <br /><0.4 <br /><0.4 <br /><0.4 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />Bromoform <br />N I <br />T <br />NT <br />NT <br />NT <br /><0.2 <br /><0.2 <br /><0.2 <br />NT <br />NT <br />NT <br />NT <br />T <br />T <br />NT <br />NT <br />Bromomethane <br />NT <br />NT <br />NT <br />---NT-Nr-<0.2 <br /><0.2 <br /><0.2 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />2-butanone <br />NT <br />NT <br />NT <br />NT <br />NT <br /><2 <br /><2 <br /><2 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />n-butylbenzene <br />sec-butylbenzene <br />tert-butylbenzene <br />Carbon Disulfide <br />NT T <br />NT NT <br />NT -NT <br />NT NT <br />NT <br />NT <br />NT <br />NT <br />N <br />NT <br />NT-- <br />NT <br />-N T <br />NT <br />NT <br />NT <br /><0.3 <br /><0.3 <br /><0.3 <br /><0.4 <br /><0.3 <br /><0.3 <br /><0.3 <br /><0.4 <br /><0.3 <br /><0.3 <br /><0.3 <br /><i 4 <br />NT NT <br />-- -N T <br />NT NT <br />NT NT <br />NT <br />N <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT NT <br />NT NT <br />NT NT <br />NT NT <br />NT <br />NT <br />NI- <br />NT <br />Carbon tetrachloride <br />NT <br />NT <br />NT <br />NT <br />NT <br /><0.5 <br /><0.5 <br /><O.5 <br />NT <br />NT <br />NT <br />0.4* <br />NT <br />NT <br />NT <br />NT <br />Chlorobenzene <br />T <br />NT <br />NT <br />NT <br />NT <br /><0.1 <br /><0.1 <br /><0.1 <br />- -NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />Chloroethane <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.3 <br /><0.3 <br /><0.3 <br />NR <br /><0.3 <br /><1 <br /><1 <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />2-c loroethyl viny ether <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />-WT <br />-N- <br />NT <br />Nfi <br />NT <br />-NT <br />NT <br />NT <br />NT <br />NT <br />Chloroform <br />NT <br />NT <br />NT <br />NT <br />NT <br /><0.2 <br /><0.2 <br /><0.2 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />-Chloromethane <br />NT <br />NT <br />NT <br />NT <br />NT <br /><0.3 <br /><0.3 <br /><0.3 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />Chioroprene <br />2 -ch orotoluene <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />gT <br />NT <br />NT <br />NT <br /><0.2 <br />NT <br /><0.2 <br />NT <br /><0.2 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />4-chlorotoluene <br />NT <br />NT <br />NT <br />NT <br />NT <br /><0.2 <br /><0.2 <br /><0.2 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />dibromochloromethane <br />NT <br />NT <br />NT <br />NT <br />NT <br /><0.1 <br /><0.1 <br /><0.1 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />1,2-dibromo-3-chloropane <br />1,2-dibromoethane <br />Diibromomethane <br />NT <br />NT <br />NJ <br />NT <br />NT <br />NT <br />NT_ <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br /><0.3 <br />NT <br /><0.-4<o <br /><0.3 <br />NT <br />4 <br /><0.3 <br />NT <br /><0.4 <br />NT <br />NT <br />NT <br />NT <br />N <br />NT <br />NT <br />NT <br />T <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />T <br />NT <br />NT <br />NT <br />NT <br />trans-1,4-dichloro-2-butene <br />NT <br />NT------NT-NT <br />NT <br /><3 <br /><3 <br /><3 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />1122-dicenzene <br />1,3 -Dichlorobenzene <br />1,4-Dic lorobenzene <br />Dichlorodifluoromethane <br />NT <br /><0.49 <br /><0.43<0.43 <br />NT <br />N <br /><0.49 <br />NT <br />T <br /><0.49 <br /><0.43 <br />NT <br />NT <br /><0.1 <br /><0.1 <br />NT <br />T <br /><0.1 <br /><0.1 <br />NT <br /><0.1 <br /><0.1 <br /><0.1 <br /><0.3 <br /><0.1 <br /><0.1 <br /><0.1 <br /><0.3 <br /><0.1 <br /><0.1 <br /><0.1 <br /><0.3 <br />NT <br /><1 <br /><1 <br />NT <br />NT <br /><1 <br /><1 <br />NT <br />NT <br />NR <br />NR <br />NT <br />NT <br />NR <br />NR <br />NT <br />NT <br />NR <br />NR <br />NT <br />NT <br />NR <br />NR <br />NT <br />T <br />NR <br />NR <br />NT <br />NT <br />NR <br />NR <br />NT <br />NR = Not Required <br />NT = Not Tested <br />* = Trace Concentration <br />[11 pH meter was not functioning properly. This data point was not used for statistical analysis. <br />[2] This data point appears anomalous and therefore was not used for statistical purposes <br />