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M ® ® ® i ® M s ® ® ® = s ! ® ® ® W <br />HISTORICAL SUMMARY OF ANALYTICAL RESULTS <br />GROUNDWATER <br />NORTH COUNTY SANITARY LANDFILL <br />G-6 <br />Sample Designation <br />Sam lin Date <br />0-6 <br />1/20/04 <br />0-6 <br />4/7/04 <br />0-6 <br />7/7/04 <br />G-6 <br />10/27/04 <br />0-6 <br />125/05 <br />G-6 <br />5/25/05 <br />G-6 <br />7/21/05 <br />0-6 <br />10/11/05 <br />G-6 <br />1/26/06 <br />G-6 <br />5/15/06 <br />G-6 <br />7/25/06 <br />G-6 <br />10/20/06 <br />G-6 <br />1/3/07 <br />G-6 <br />4/3/07 <br />G-6 <br />7/19/07 <br />0-6 <br />10/8/07 <br />O-6 <br />2/7/08 <br />G-6 <br />4/10/08 <br />0-6 <br />7/22/08 <br />G-6 <br />1022/08 <br />G-6 <br />1/13/09 <br />G-6 <br />6/1/09 <br />G-6 <br />8/4/09 <br />G-6 <br />11/2/09 <br />G-6 <br />5/20/10 <br />Monhforins and Field Parameters <br />Constituents of Concern <br />ND <br />NO <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 />NO <br />NR <br />NR <br />Total Organic Carbon <br />0.17 <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 />NR <br />(0.3) <br />NR <br />NR <br />Alkalinity, Bicarbonate <br />120 <br />110 <br />110 <br />110 <br />120 <br />110 <br />96 <br />110 <br />120 <br />NR <br />81 <br />NR <br />102 <br />NR <br />98.0 <br />NR <br />130.0 <br />NR <br />77 <br />NR <br />120 <br />NR <br />110 <br />NR <br />120 <br />Carbonate <br /><5.0 <br /><5.0 <br /><5.0 <br /><0.5 <br /><.2 <br /><.2 <br />15.0 <br /><3.0 <br /><.2 <br />NR <br />4 <br />NR <br /><3 <br />NR <br />< <br />NR <br /><2 <br />NR <br />12 <br />NR <br /><2 <br />NR <br /><.5 <br />NR <br /><2.5 <br />_Alkalinity, <br />Total Alkalinity <br />120 <br />110 <br />110 <br />110 <br />120 <br />110 <br />96 <br />110 <br />120 <br />NR <br />81 <br />NR <br />102 <br />NR <br />NR <br />NR <br />110.0 <br />NR <br />NR <br />NR <br />96 <br />NR <br />92 <br />NR <br />NR <br />Cyanide <br /><0.0050 <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 />NR <br /><0.0028 <br />NR <br />NR <br />Sulfide <br /><0.28 <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 />NR <br /><0.050 <br />NR <br />NA <br />Semivolatilg Or ... ie Compounds NOD <br /><0.0084 <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 />NR <br /><0.00013 <br />NR <br />NR <br />bis (2-Ethylhexl)phthalate <br />NO <br />NO <br />NO <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 />]3.1`) <br />NR <br />NR <br />All Com .ands <br />NO <br />NO <br />NO <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 />ND <br />NR <br />NR <br />Omanochlorine Pesticides and Polychlorina(ed BiahenvPs <br />(PCBs) <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 /><0.0037 <br />NR <br />All Com -pounds <br />ND <br />ND <br />ND <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 />ND <br />NR <br />NR <br />Chlorinated Herbicides (ue/Il <br />Iron, Dissolved <br />2.3 <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 />NR <br /><0.0093 <br />NR <br />MCPP <br />68* <br />68* <br />NT <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />I NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NO <br />NR <br />NR <br />Dalapon <br />0.20" <br />0.20* <br />NT <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 />NO <br />NR <br />NR <br />All Other Compounds <br />etal <br />ND <br />NO <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 />NO <br />NR <br />NR <br />Aluminum, Dissolved <br />1.4 <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 />NR <br />NR <br />NR <br />NR <br />NR <br /><0.038 <br />NR <br />NR <br />Antimony, Dissolved <br /><0.044 <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 />NR <br /><0.034 <br />NR <br />NR <br />Arsenic, Dissolved <br />0.042` <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 />NR <br />0.0031 <br />NR <br />NR <br />Barium, Dissolved <br />0.034" <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 />NR <br />0.022 <br />NR <br />NR <br />Bciyllium, Dissolved <br /><0.0024 <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 />NR <br /><0.0011 <br />NR <br />NR <br />Boron, Dissolved <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 />NR <br />NR <br />NR <br />NR <br />NR <br />Cadmium, Dissolved <br /><0.0084 <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 />NR <br /><0.00013 <br />NR <br />NR <br />Chromium, Total Dissolved <br />0.063 <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 />NR <br />0.0042" <br />NR <br />NR <br />Chromium Hexavalent <br />NT <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 />NR <br />NR <br />NR <br />NR <br />Cobalt, Dissolved <br /><O.OIO <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 /><0.0037 <br />NR <br />NR <br />Copper, Dissolved <br />0.0040` <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 />NR <br />NR <br /><0.0015 <br />NR <br />NR <br />Iron, Dissolved <br />2.3 <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 />NR <br /><0.0093 <br />NR <br />NR <br />Lead, Dissolved <br /><0.034 <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 />NR <br /><0.000054 <br />NR <br />NR <br />Manganese, Dissolved <br />0.051 <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 />NR <br /><0.0025 <br />NR <br />NR <br />Dissolved, µg/1 <br /><0.025 <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 />NR <br /><0.000016 <br />NR <br />NR <br />_Mercury, <br />Nickel, Dissolved <br /><0.0040 <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 />NR <br />0.00036' <br />NR <br />NR <br />Selenium, Dissolved <br /><0.052 <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 />NR <br /><0.00038 <br />NR <br />NR <br />Silver, Dissolved <br /><0.040 <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 />NR <br /><0.0018 <br />NR <br />NR <br />Thallium, Dissolved <br />0.036° <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 />NR <br /><0.00011 <br />NR <br />NR <br />Tin, Dissolved <br />39` <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 />NR <br />0.018" <br />NR <br />NR <br />Vanadium, Dissolved <br />0.047" <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 />NR <br />0.022 <br />NR <br />NR <br />Zinc, Dissolved <br />0.15 <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 />NR <br /><0.0023 <br />NR <br />NR <br />NR - Not Required <br />NT = Net Tested <br />NS =Not Sampled. <br />* = Trace Concentration <br />11] This data point appears <br />(I I Parameter also detected <br />anomalous and therefore was not used for statistical purposes. <br />in one or more quality control blanks.-- <br />- <br />