ARCHIVED REPORTS_2008_2 - Laserfiche WebLink

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HISTORICAL SUMMARY OF ANALYTICAL RESULTS GROUNDWATER FOOTHILL SANITARY LANDFILL Units:mg/l,unless noted Sample Designation MW-5 MW-5 MW-5 Sampling Date 7/23/07 4/1/08 7/30/08 Monitoring and Field Parameters General Water Quality Parameters Temperature(°C)(field) 24.9 19.9 21.7 ------- Chloride -- -"- 8.8 8.72 8.54 --- "- - - Nitrate-Nitrogen 1.6 1.71 1.69 - -- ---- - _...__ --Total Dissolved Dissolved Solids 184 160 200 Sulfate 9.9 9.93 9.99 p (std.units)(field) _ 7.76 7.58 6.91 Electrical Conductivity(umhos/cm)(field) 258 258.8 250.8 - - Turbidity(NTU)(field) 29.7 12.9 10.3 -- ---- Calcium 21.1 22 20 - - Potassium 3.68 __ 3.6 _3.6 Magnesium 10.6 11 11 Sodium 14.8 14 14 - Volatile Organic Compounds(ug/11 _1,1,1,2-TetrachloroethaneNA NA <0.38 _ 1,1,1-Trichloroethane(TCA) NA NA 10.39 _ 2,2-Tetrachloroethane _ NA NA <0.35 _1j,2-Trichloroethane NA NA 10.44 - - _1,1,2-Trichlorotriflouroethane _ NA NA <0.61 I,1-Dichloroethane _ NA NA <0.37 - --- - 1,1-Dichloroethene <0.39 <0.43 <0.43 _1,1-Dichloropropene _ NA _ NA <0.38_ - --- _1,2,3-Trichlorobenzme NA NA <0.37 - _1,2,3-Trichloropropme NA _ NA <0.43 -- 1,2,4-Trichlorobenzene NA NA <0.36 1,2,4-Trimethylbenzene <023 <0.29 <0.33 - - _1,2-Dibromo-3-chloropropme NA NA <0.69 _1,2-Dibromoethane(EDB) NA NA <0.39 -- - _1,2-Dichlorobenzene NA NA <0.38 - -- _1,2-Dichloroethane(EDC) NA NA <0.38 - 1,2-Dichloropropane _ NA NA <0.35 _ 1,3,5-Trimethylbenzene <0.20 <0.32 <0.39 -- .. 1,3-Dichlorobenzene --.__-_--__------ NA NA <0.37 _--- ----- ----" -- 1,3-Dichloropropane <0.12 <0.32 1037 _ 1,4-Dichlorobenzene <0.14 <0.34 <0.38 --- 2,2-Dichloropropaoe -" NA NA <0.39 --- -- - - --- - -- 2-Butanone(MEK) -- - <0.92 -<2.0 <2.0 - - - 2-Chlorotoluene NA NA <0.33 - _2-Hexanone _ NA NA <1.8 -- ------- - - _4Chlorotoluene NA NA <0.32 _4-Isopropyltoluene NA NA <0.39 _4-.Methyl-2-pentanone(MIBK) NA NA <1.9