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HISTORICAL SUMMARY OF ANALYTICA <br />GROUNDWATER <br />FOOTHILL SANITARY LANDFILL <br />MW -1A <br />Units: mg/l, unless noted <br />Sample Designation MW -1 MW -1 MW -1 MW -1 MW -1 MW -1 MW -1 MW -1 MW -1 MW -1 MW -1 MW -1 MW -1 MW -1 MW -1 MW -1 MW -IA MW -IA <br />Sampling Date 2/2/05 7/27/05 3/28/06 7/27/06 1/31/07 7/23/07 2/5/08 7/31/08 2/4/10 5/26/10 9/2/10 1/25/11 8/9/11 1/12/12 7/24/12 2/4/13 8/21/13 1/20/14 <br />Trichloroethene (TCE) <br /><0.13 <br /><0.13 <br /><0.13 <br /><0.13 <br /><0.13 <br /><0.13 <br /><0.31 <br />1 <0.38 <br /><0.13 <br />NA <br /><0.085 <br /><0.085 <br />NS <br /><0.085 <br />NS <br />NS <br /><0.085 <br /><0.085 <br />Trichlorofluoromethane <br />1,2,3-Trichloropropane <br />Vinyl Chloride <br />Total Xylenes <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br /><0.59 <br /><0.11 <br />NA <br /><0.13 <br /><0.13 <br />NS <br /><0.13 <br />NS <br />NS <br /><0.13 <br /><0.13 <br />NA NA NA NA <0.43 <0.30 NA <0.24 <0.24 NS <0.24 NS NS <0.24 <br /><0.24 <br />NA NA NA NA <0.47 <0.14 NA <0.12 <0.12 NS <0.12 NS NS <0.12 <br /><0.12 <br />NA NA NA NA <l.l <0.26 NA <0.36 <0.36 NS <0,36 NS NS <0.36 <br /><0.36 <br />Acetone <br /><l.8 <br /><1.8 <br />1.9* <br /><1.9 <br />4.6* <br />7.5* <br /><2.7 <br /><3.0 <br /><4.6 <br />NA <br /><4.6 <br /><4,6 <br />NS <br /><4.6 <br />NS <br />NS <br /><4.6 <br />9.3* <br />Acrylonitrile <br />t -Amyl Alcohol <br />t -Butyl Alcohol <br />Carbon disulfide <br />trans-1,4-Dichloro-2-butene <br />Diisopropyl Ether <br />Ethanol <br />Ethyl tert-butyl Ether <br />Hexachloroethane <br />2-Hexanone <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />0.23* <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br /><0.89 <br /><1.2 <br />NA <br /><1.2 <br /><1.2 <br />NS <br /><1.2 <br />NS <br />NS <br />1.2 <br /><12 <br />NA NA NA NA NA <6.5 NA <9.2 <9.2 NS <9.2 NS NS <9.2 <br />NA NA NA NA NA <9.4 NA <9.4 <9.4 NS <9.4 NS NS <9.4 <br /><9.2 <br /><9.4 <br /><0.23 <0.23 <0.23 <0.86 <0.86 <0.35 NA <0.38 <0.38 NS <0.38 NS NS <0.38 <br /><0.38 <br />NA NA NA NA <1.3 <1.4 NA <1.4 <1.4 NS <1.4 NS NS <1.4 <br /><1A <br />NA NA NA NA NA <0.19 NA <0.23 <0.23 NS <0.23 NS NS <0.23 <br />NA NA NA NA NA <45 NA <50 <50 NS <50 NS NS <50 <br />NA NA NA NA NA <0.18 NA <0.18 <0.18 NS <0.18 NS NS <0.18 <br />NA NA NA NA NA <0.13 NA <0.16 <0.16 NS <0.16 NS NS <0.16 <br /><0.23 <br /><50 <br /><0.18 <br /><O.16 <br />NA NA NA NA Q.8 <3.4 NA <3.4 <3.4 NS <3.4 NS NS <3.4 <br /><3.4 <br />2-Butanone (MEK) <br /><0.92 <br /><0.92 <br /><0.92 <br /><0.92 <br /><0,92 <br /><0.92 <br /><2.0 <br /><2.0 <br /><2.5 <br />NA <br /><2.5 <br /><2.5 <br />NS <br /><2.5 <br />NS <br />NS<2 <br />5 <br />Q.5 <br />Methyl iodide <br />4-Methyl-2-pentanone (MIBK) <br />Vinyl Acetate <br />1,1,2-Trichlorotriflouroethane <br />1,1-Dichloropropene <br />1,2,3-Trichlorobenzene <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br /><0.83 <br /><0,44 <br />NA <br /><0.47 <br /><0.47 <br />NS <br /><0.47 <br />NS <br />NS <br /><0.47 <br /><0.47 <br />NA NA NA NA <1.9 <2.1 NA <2.1 <2.1 NS <2.1 NS NS <2.1 <br /><2.1 <br />NA NA NA NA <0.85 <2.4 NA <1.8 <I.8 NS <1.8 NS NS <1.8 <br /><1.8 <br />NA NA NA NA <0.61 NA NA NA NA NS NA NS NS NA <br />NA <br />NA NA NA NA <0.38 NA NA NA NA NS NA NS NS NA <br />NA <br />NA NA NA NA <0.37 NA NA NA NA NS NA NS NS NA <br />NA <br />1,2,4-Trimethylbenzene <br /><0.23 <br /><0.23 <br /><0.23 <br /><023 <br /><0.23 <br /><0.23 <br /><0.29 <br /><0.33 <br />NA <br />NA <br />NA <br />NA <br />NS <br />NA <br />NS <br />NS <br />NA <br />NA <br />1,3,5-Trimethylbenzene <br /><0.20 <br /><0.20 <br /><0.20 <br /><0.20 <br /><0.20 <br /><0.20 <br /><0.32 <br /><0.39 <br />NA <br />NA <br />NA <br />NA <br />NS <br />NA <br />NS <br />NS <br />NA <br />NA <br />1,3-Dichloropropane <br /><0.12 <br /><0.12 <br /><0.12 <br /><0.12 <br /><0.12 <br /><0.12 <br /><0.32 <br /><0.37 <br />NA <br />NA <br />NA <br />NA <br />NS <br />NA <br />NS <br />NS <br />NA <br />NA <br />2,2-Dichloropropane <br />2-Chlorotoluene <br />4-Chlorotoluene <br />4-Isopropyltoluene <br />Acrolein <br />Bromobenzene <br />Isoproplybenzene <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br /><0.39 <br />NA <br />NA <br />NA <br />NA <br />NS <br />NA <br />NS <br />NS <br />NA <br />NA <br />NA NA NA NA <0.33 NA NA NA NA NS NA NS NS NA <br />NA <br />NA NA NA NA <0.32 NA NA NA NA NS NA NS NS NA <br />NA <br />NA NA NA NA <0.39 NA NA NA NA NS NA NS NS NA <br />NA <br />NA NA NA NA <4.5 NA NA NA NA NS NA NS NS NA <br />NA <br />NA NA NA NA <0.38 NA NA NA NA NS NA NS NS NA <br />NA <br />NA NA NA NA <0.39 NA NA NA NA NS NA NS NS NA <br />NA <br />m/p-Xylene <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NS <br />NA <br />NS <br />NS <br />NA <br />NA <br />n-Butylbenzene <br />n-Propylbenzene <br />sec-Butylbenzene <br />tert-Butylbenzene <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br /><0.38 <br />NA <br />NA <br />NA <br />NA <br />NS <br />NA <br />NS <br />NS <br />NA <br />NA <br />NA NA NA NA <0.33 NA NA NA NA NS NA NS NS NA <br />NA <br />NA NA NA NA <0.40 NA NA NA NA NS NA NS NS NA <br />NA <br />NA NA NA NA <0.35 NA NA NA NA NS NA NS NS NA <br />NA <br />Constituents of Concern Parameters <br />Semivolatile Organic Compounds (EPA Method <br />All Compounds NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA <br />Organochlorine Pesticides and Polychlorinated B - <br />(EPA Method 3510/8080) <br />All Compounds NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA <br />Chlorinated Herbicides <br />(EPA Method 8150A Modified) <br />All Compounds NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA <br />* = Trace Concentration <br />[1] This analytical result appears to be anomalous <br />{ 1 ] Parameter also detected in one or more qualii <br />NA = Not Available <br />n:\consulting\data\shared\proj ects\xls\qmr\79\791289\FH-Hist.xls <br />