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HISTORICAL SUMMARY OF ANALYTICAL RESULTS <br />GROUNDWATER <br />NORTH COUNTY SANITARY LANDFILL <br />Units: m unless noted <br />Sempla Designation G-1 G-1 G-1 G-1 G-1 G-1 G-1 0-1 G-1 G-1 G-1 G-1 G-1 G-1 G-1 G-1 G-1 0-1 G-1 G-1 <br />Sam lin Date 08/12/87 10/31/89 11/06/90 12/31/90 01/24/91 02/19/91 03/04/91 04/10191 03/14/91 06/27/91 07/22/91 08/15/91 09/17/91 10/31/91 01/09/92 04/02/92 07/02/92 10/05/92 01/04/93 04/01/93 <br />Monitoring and Field Paramelgra <br />697 719 <br />t n � µveru <br />Electrical Conductivity (umlms/cm) (field) 230 280 300 15421 223 232 224 255 240 265 276 254 266 239 249 228 270 256 228 215 <br />Temperature 'C field) - NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR <br />Oxygen Reduction Potential O (field) NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR <br />n:....I.—n...me., M -1r lar NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR <br />T idi f Id NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR <br />ty -f-,e <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 />it <br />9 <br />9.9 <br />12 <br />13 <br />80121 <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 />Total Dissolved Solids <br />200 <br />250 <br />220 <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 [2j <br />170 <br />180 <br />170 <br />Chemical Oxygen Demand <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 />Nitrate Nino en <br />0.96 <br />1.7 <br />1.4 <br />3.2 <br />1.5 <br />1 <br />1.7 <br />1.2 <br />0.8 <br />1.4 <br />1 <br />0.2 <br />1 <br />1.4 <br />1.5 <br />1.4 <br />NR <br />1.5 <br />1.5 <br />IA <br />Sulfate <br /><8 <br />NR <br /><8 <br /><8 <br /><8 <br /><8 <br /><8 <br /><8 <br /><8 <br /><8.0 <br /><8.0 <br /><8.0 <br /><&O <br /><8 <br /><8 <br /><8 <br />210121 <br /><5 <br /><5 <br /><5 <br />Calcium <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 />Magneaium <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 />Potassium <br />9,..1:...,. <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 />Bente <2 <I <1 NR <0.5 1.1° NR NR NR NR NR NR NR <I rva NK rvx =1 rvn rvn <br />Bronlobenzene NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT <br />Bromochioro methane NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT <br />11--di6lormnetharns NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT <br />g f NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NI 141 141 <br />romo gent <br />Bromonalhece M NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT <br />n-butylbenzene NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT <br />sec-butylbanzare NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT <br />tert-butylbenzetne NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT <br />Carbon tetrachloride NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT <br />Chlorobenzene NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT <br />Chloroethane - <7 <I <I NR NR NR NR NR NR NR NR NR NR <1 NR NR NR <t NR NR <br />Chlorofomt NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT <br />Chloromelbone NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT <br />— -._ — „T — veer .1 NT NT NT NT NT NT NT NT NT NT NT <br />1,2-dibromosthene NT NT NT NT Ni Nr r4l N1 — rv1 rvr — r.. .11 •• ••• ••- <br />Dibrmnomethane NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT NT <br />e.r .., ..rr — NT NT NT NT NT NT NT NT NT NT NT <br />NR - Not Required <br />NT - Not Tested <br />° - Trace Concentration <br />[ I I This data point appears anomalous and lhemfine was not used for statistical purposes. <br />I Parmlteter also detected in one or snore quality oontrot blanks. <br />