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ME= MIL OF RESULTS02 ANALYTIC <br /> a GROUNDWATER <br /> q FOOTHILL SANITARY LANDFILL <br /> MW-1 <br /> Unks: unless noted <br /> amps esgnessn MW-1 MW-1 MW-1 M" .......... 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 <br /> Sampling Date 7/7/98 10/9/98 1/15/99 4/1/99 7/7/99 10/20/99 3/8/00 5/11/00 7/13/00 10/9/00 1/15/01 4/30/01 8/2/0110/29/01 2/6/02 4/30/02 8/1/02 <br /> Monitoring and Field Parameters <br /> General Wa!er Quality Parameters <br /> Chloride 6.5 6.4 0.23 8.2 6.7 6.09 6.79 6.74 6.03 4.29 6.55 6.23 5.8 7 7.3 6.4 6.4 <br /> Nitrate-Nitrogen 12 2.8 2.3 2.6 2 2_.44 2.37 2.51 2.28 3.65 2.7 2.31 2.5 2.3 3 2.8 2.9 <br /> Total Dissolved Solids 202 176 162 165 182 187 180 194 186 184 183 219 180 160 170 i" <br /> .9 <br /> _Sulfate 6.4 6.5 6.5 5.9 6.3 7.43 7.6 7.55 6.48 <0.021 7.02 6.73 6.7 -T-T6-5-f- 5.9 <br /> H(std.units)(field) 8.22 6.93 8.37 7.08 7.77 8.06 7.37 7.52 8.5 6.61 7.41 6.92 8.09 6.29 6.91 6.79~7.02 <br /> Electrical Conductivity(umhos/cm 237 251 243 235 236 237 237 242 240 240 264 710 220 400 100 280 270 <br /> Turbidity�NTUL field) 4 2.9 LOW 3.25 .1.43 1.23 1 4.02 0.49 0.27 2.51 12.4 10 11.7 3.4 <br /> Temperature('C) field 22.7 20.8 18 20.8 20.1 21.3 18.2 23.3 20.8 19.8 17.8 20.0 20.4 19.2 16.6 18.6 20.7 <br /> _. - v <br /> Calcium <br /> Potassium <br /> Sodium - <br /> Ma nesium _ ----- ---- ------ - - <br /> Volatile Organic Compounds fug/Il <0.06 <0.06 2.4 0.15" -0606 <br /> Meth lene Chloride <6.03 0.0448" <0.03 <0.06 <0.06 <0.06 <0.06 <br /> Trichloroethene(TCE) <0.89 <0.89 <0.89 <0.89 <0.89 <0.06 <0.06 <0.06 <0.06 <0.06 <0.06 <0.06 <0.06 <0.06 <0.18 <0.06 <0.06 <br /> 1,1-Dichioroethene <0.72 <0.72 <0. 22 <0.72 <0.04 <0.04 <0.05 <0.06 <0.06 <0.06 <0.06 <0.06 <0.06 <0.12 <0.06 <O.07 <br /> <0.72 <0.07 <0.07 <0.07 _<0.07_ <0.07 <0.0!-<d--1 8 <0.07 <0.07 <br /> <0.83 <0.83 00.83 <0.83 <0.83 <0.06 <0.07 0.162 --<0 07 <0 07 <0.07 <dA7 <0.16 -<0.07 <0.07 <br /> Chloroform ---- - - <0 07- <0.07<0.07 <br /> -Chiorobenzene - 2.6 <0.07 <br /> - <1.79 <1 79 - <1.79 _<_1 79_ _<1.8 <1 8 -_ 6 8 <1 8 30 <br /> _ <br /> Ace/one .._ _ _.----- ---- -<0.1 --- <br /> <0.1--- <br /> <0.1 <0.1 <br /> -- - <0.18 <0.08---<U-08- <br /> I <br /> 0.08 <0.08 <br /> _Napthalene --^---- -- - ------------ - _ -- 0.08 <0.08 <br /> yl ter-butyl ether - 0.178" <0.07 <0.07 <0.16 <Tdf <6.07 <br /> Toluene --_ -- <0.11 <0.11 <0_-2j--<0 - R <br /> 1 4-Dichlorobenzene _ - - -- - - - - ._. - -- _ _ ------ --- <0.0 -. - <0 22 <0.. <br /> Tetrachloroethane - .. 8 f® .<0 65 ,_..<0_ <br /> 2 Butanone _ _ _ <0 20 <0.09 < . <br /> 1,3-Dichloropropane__._ _._..- -. - ---._ ._- ._._.__._ __._-__- - ___ ___ _-_- _-- _.. ._ _.. _ _-.. __ - <0.14 <0.14 <br /> Chloromethane <br /> 1,2,4 Trfmet enzene <br /> 1,3,5-Trimethylbenzene <br /> Constituents of Concern Parameters <br /> Semivolatile Organic Compounds <br /> _(EPA Method 3520/8270) _ <br /> All Compounds NR NR NR <br /> Organochlorine Pesticides and Polychlorinated-Biphenyl's <br /> (EPA Method 3510/8080) <br /> All Compounds NR NR NR NR NR ND NR NR NR NR NR NR NR NR NR 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 /> 5 of 24 <br /> MW-1;Printed:7/8/03 <br />