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n <br />HISTORICAL SUMMARY OF ANALYTICAL RESULTS <br />GROUNDWATER <br />NORTH COUNTY SANITARY LANDFILL <br />Units: mgA, unless noted <br />G <br />G-1 <br />G-1 <br />G-1 <br />G-1 <br />G-1 <br />G-1 <br />G-1 <br />G -I <br />G-1 <br />G-1 <br />G-1 <br />G-1 <br />G-1 <br />G-1 <br />G-1 <br />G-1 <br />G-1 <br />G-1 <br />G-1 <br />Semple Designation <br />Sam lin Date <br />-I <br />08/12/87 <br />10/31/89 <br />11/06/90 <br />12/31/90 01124/91 <br />02/19/91 <br />03/04/91 <br />04/10/91 <br />05/14/91 <br />06/27/91 <br />07/22/91 <br />08/15191 <br />09/17/91 <br />10/31191 <br />01/09/92 <br />04/02/92 07102/92 <br />10/05/92 01/04/93 <br />04/01/93 <br />NIT <br />NT <br />NT <br />Chloroe0rane <br /><7 <br /><1 <br /><I <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><l <br />NR <br />NR <br />NR <br />Moultorigg god Field Parameters <br />NR <br />NR <br />Chloroform <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 />NT <br />General Water Ouality Parameters <br />NT <br />NT <br />Chloromethane <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 />NT <br />H std. units (field) <br />6.67 <br />7.21 <br />7.57 <br />7.61 <br />5.05 <br />7.24 <br />7.27 <br />7.58 <br />7.21 <br />5.91 <br />6.93 <br />7.46 <br />7.33 <br />6.79 <br />6.80 <br />6.92 <br />6.87 <br />7.23 <br />6.97 <br />7.39 <br />Electrical Conductivity (uralm/cm) (field) <br />230 <br />280 <br />300 <br />[542] <br />223 <br />232 <br />224 <br />255 <br />240 <br />265 <br />276 <br />254 <br />266 <br />239 <br />249 <br />228 <br />270 <br />256 <br />228 <br />215 <br />Tem atura °C) (field) <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />Oxygen Reduction Potential (ORP) field) <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />Dissolved Oxygen (D.O) (field) <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NA <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />Turbidity TU field <br />NR <br />NR <br />NR <br />NR <br />NA <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />Chloride <br />11 <br />26 <br />16 <br />20 <br />14 <br />14 <br />20 <br />16 <br />13 <br />14 <br />9 <br />11 <br />9 <br />9.9 <br />12 <br />13 <br />80 [2] <br />9 <br />9 <br />8 <br />Total Hardness (calculated) <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />.,:--- ,-._, e_u,_ <br />inn <br />Stn <br />720 <br />NR <br />170 <br />NR <br />140 <br />220 <br />NR <br />NR <br />190 <br />NR <br />NR <br />160 <br />220 <br />180 <br /><0.03 [2] <br />170 <br />180 <br />170 <br />ran NR NR Ne NR NR NR NR NR NR NR NR NR NR NR NR NR NR NK <br />IEI <br />Benzene <2 <1 <1 NR <0.5 1.1• NR NR NR NR NR NR NR <1 NR NR NR <I NR NR <br />Bromobenzone NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT <br />Bromochloromethane NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT <br />Brom odichloromethane NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT <br />NT NT NT NT NT NT NT NT NT NT NT NT <br />Bromofomt NT NT NT NT NT NT NT NT <br />Bromomethane NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT <br />n-butylbenune NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT <br />sm-butylbeezefte NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT <br />n...,.an.a_..e..a NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT <br />Carbon tetrachloride <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 />NT <br />NT <br />NT <br />NT <br />Chlorobenzene <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 />NT <br />NIT <br />NT <br />NT <br />Chloroe0rane <br /><7 <br /><1 <br /><I <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><l <br />NR <br />NR <br />NR <br /><1 <br />NR <br />NR <br />Chloroform <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 />NT <br />NT <br />NT <br />NT <br />Chloromethane <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 />NT <br />NT <br />NT <br />NT <br />2-chlorololuere <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 />NT <br />NT <br />NT <br />NT <br />4-chlorotoluene <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 />NT <br />NT <br />NT <br />NT <br />dibromochloromethane <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 />NT <br />NT <br />NT <br />NT <br />1,2-dibromo-3chloropene <br />1,2-dibromoethace <br />Dibromomethace <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 />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 />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 />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />1,2 -dichlorobenzene <br />1,3 -Dichlorobenzene <br />NT <br /><2 <br />NT <br /><1 <br />NT <br /><I <br />NT <br />NR <br />NT <br />NR <br />NT <br />NA <br />NT <br />NR <br />NT <br />NR <br />NT <br />NR <br />NT <br />NR <br />NT <br />NR <br />NT <br />NR <br />NT <br />NR <br />NT <br /><1 <br />NT <br />NR <br />NT <br />NR <br />NT <br />NR <br />NT <br /><I <br />NT <br />NR <br />NT <br />NR <br />1,4 -Dichlorobenzene <br />Dichlorodifluoromethane <br /><2 <br />NT <br /><I <br />NT <br /><I <br />NT <br />NR <br />NT <br />NR <br />NT <br />NR <br />NT <br />NR <br />NT <br />NR <br />NT <br />NR <br />NT <br />NR <br />NT <br />NR <br />NT <br />NR <br />NT <br />NR <br />NT <br /><I <br />NT <br />NR <br />NT <br />NR <br />NT <br />NR <br />NT <br /><I <br />NT <br />NR <br />NT <br />NR <br />NT <br />I,l-Dichloroethane <br />I, 2-Dichloroethace <br /><I <br /><2 <br />_— <br /><I <br /><I <br />— <br /><1 <br /><I <br />.._ <br />NR <br />NR <br />_.T <br />NR <br />NR <br />— <br />NR <br />NR <br />— <br />NR <br />NR <br />NR <br />NR <br />— <br />NR <br />NR <br />nrr <br />NR <br />NR <br />r,rr <br />NR <br />NR <br />NT <br />NR <br />NR <br />NT <br />NR <br />NR <br />NT <br /><l <br /><l <br />NT <br />NR <br />NR <br />NTiJ <br />NR <br />NR <br />NR <br />NR <br />NT <br /><I <br /><1 <br />NT <br />NR <br />NR <br />NT <br />NR <br />NR <br />NT <br />1,3-dic],loropropane NI NI rvt rvn rvn — rv. — ... ,., <br />2,2-dichloro to ene NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT <br />NR = Not Required <br />NT - Not Tested <br />Trace Concentration <br />[I ] This data point appears mamalous and therefore was not used for statistical purposes. <br />I Parameter also detected in one or more quality control blanks. <br />