Laserfiche WebLink
w . w . ® . w tw_. ww- w■� ww.. ® � w ® � w ,. w. w ® , ® . ® w <br /> HISTORICAL SUMMARY OF ANALYTICAL RESULTS <br /> GROUNDWATER <br /> FOOTHILL SANITARY LANDFILL <br /> LW-1 <br /> Units:mg/l,unless noted <br /> pieDesignation - -1 LW-1 -1 LW- <br /> Sampling Date 10/4/93 1/5/94 7/5/94 11/28/94 5/30/03 8/14/03 <br /> Monitorina and Field Parameters <br /> General Water Quality Parameters <br /> Temperature('C)(tield) NR NR NR 17.3 21.2 19.1 <br /> Chloride 8 10 14 9.5 10 12 <br /> Nitrate-Nitrogen 1.1 1.1 1.1 1.2 1.3 1.3 <br /> Total Dissolved o i s 220 230 240 182 190 180 <br /> Sulfate 14 <8 16 15 16 19 <br /> pH(std.urnts Geld) 6.40 7.42 7.82 7.68 7.57 6.86 <br /> lectrical onductivity(umhos/cm) 276 29 300 313 269 171 <br /> Turbidity(NTU)Geld) NR NR NR 1.6 0.6 2.7 <br /> Calcium 28 24 <br /> Potassium <0.92 <0.92 <br /> Magnesium .8 9.9 <br /> Sodium 9.8 12 <br /> Volatile Organic Compounds(ug/1 <br /> Trichloroethene(T(;E) <0.36 <0.36 <br /> 1,1-Dic oroethene <0.24 < .24 <br /> Chloroform <0.37 <0.37 <br /> Benzene <0.2 <0.28 <br /> m/p-Xylene <0.38 <0.38 <br /> Ch orobenzene <0.32 <0.32 <br /> Methylene Chloride <0.23 {0.28*) <br /> Acetone <0.52 {1.2*) <br /> Napt a ene <0.93 <0.93 <br /> Methyl ter-butyl ether <0.36 <0.36 <br /> Toluene <0.32 <0.32 <br /> 1,4-Dichlorobenzene <0.46 <0.46 <br /> etra loroethene <0.44 <0.44 <br /> 2- utanone <0.14 <0.14 <br /> 1,3-Dichioropropane <0.40 <0.40 <br /> Chloromethane <0.18 <0.18 <br /> 1, ,4-Trimethyl enzene <0.18 <0.18 <br /> 1,3 5-Trimethyl enzene <0.28 <0.28 <br /> Constituents of Concern Parameters <br /> Semivolatile Organic Compounds <br /> (EPA Method 3520/8270) <br /> All Compounds NR NR NR ND NR NR <br /> Organochlorine Pesticides and Polychlorinated Biphenyl's <br /> (EPA Method 3510/8080) <br /> All Compounds NR NR NR ND NR NR <br /> Trace Concentration <br /> [1]This analytical result appears to be anomalous and therefore was not used in statistical evaluation procedures. <br /> (1)Parameter also detected in one or more quality control blanks <br /> ND=Not Detected <br /> NM=Not Measured <br /> NR=Not Required <br /> LW-1;Printed: 1/30/2004 27 of 28 <br />