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HISTORICAL SUMMARY OF ANALYTICAL RESULTS <br /> GROUNDWATER <br /> FOOTHILL SANITARY LANDFILL <br /> MW-1 <br /> Units:mg/l,unless noted _ - - - - - <br /> Sample Designation <br /> Sampling Date 1/5/94 415/94 7/5/94 11/28/94 4/21/95 7/6/95 10/11/95 1/5/96 4/2/96 7/9/96 10/2/96 1/16/97 4/10/97 7/10/97 10/3197 3/11/98 4/30/98 <br /> Monitoring and Field Parameters <br /> General Water Quali Parameters <br /> Temperature("C)(ield) NR NR NR 13.7 20.2 22.5 21.5 18.6 21.3 22.3 21.8 15.2 24.4 21. 22 19.5 2 . <br /> 5 <br /> Chloride 7 5 7 6.3 4.9 5 6 6 5 6 6 4.7 4.7 4.7 <br /> -- drate- droc�en 1.3 2 1.4 2.4 2.6 2.4 2.3 2 1_ _2 5 2 3 2.9 2. 2.4 2.3 2.4 3.4 2.8 <br /> �otailOTssoived�ol{cls -- 2f0 220 20 186 200 160 2a0 230 230 250 210 225 167 194 216 96_ 186 <br /> -- _. _ - -- ---- <8- <8- 10 6:5 4.9 6 -7- - 6 6 <br /> -Sulfate _ _ _ <br /> pH(std.unifaj(field)) 7.80- 7.62 7.89 8.48 7.89 7.81 7.86 7.97 7.35 7.65 7.25 9 28 -7.65 7.83 T93 7 97 803- <br /> H <br /> .03 <br /> Electrical Conductivity(binhos/cm) 305 294 281 287 245 263 269 246 236 257 245 610 153 .69 278_ - 224 245 <br /> _Turbidly NTU fief NR NR NR36.9 _18_ 34 --14-----11-- 20-8 --16.9 _ 2.27 <br /> 2.69 .-56_.5_� 1_..__ 29.6 <br /> Calcium <br /> Potassium <br /> . Mater neswm <br /> Sodwm ----- <br /> Volatile Organic Compounds Ng/Il89 <6:89 <0.89 <br /> Tnchioroethene(TCE) - --- - <0.72<0.72 <6.72 <br /> 1,1-D�chloroethene <0.83 <0.83 . <0.83 <br /> Chloroform <br /> Benzene <br /> m/ -X ene <br /> oro enzene <br /> Methylene Chion e <br /> Acetone <br /> a thalene <br /> Memyl ter-DU I ether <br /> Toluene <br /> ,4-Dich oro enzene <br /> Tetrachloroethene <br /> 2-Butanone <br /> 1,3-Dichloro ro ane <br /> Chloromethane <br /> 1,2,4-Tnmeth (benzene <br /> 1,3,5-Tnmeth ibenzene <br /> Constituents of Concern Parameters <br /> Semivolatile Organic Compounds <br /> EPA Method 3520/8270 <br /> AI Compounds NR NR NR ND - NR NR NR NR NR NR NR NR NR NR NR NR NR <br /> Organochlorine Pesticides and Polychlorinated Biphenvl's <br /> (EPA Method 3510/8080) NR <br /> All Compounds NR R NR ND NR NR NR NR NR NR NR NR NR NR NR NR <br /> Trace once-ra wn <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 /> 3 of 28 <br /> MW-1;Printed: 1/30/2004 <br />