ARCHIVED REPORTS_2010 - Laserfiche WebLink

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HISTORICAL SUMMARY OF ANALYTICAL RESULTS GROUNDWATER FOOTHILL SANITARY LANAFILL Units: mg/l, unless noted Sample Designation MW -4 MW -4 MW -4 MW -4 MW -4 MW -4 MW -4 MW -4 MW -4 Sampling Date 7/23/07 2/5/08 7/30/08 1/15/09 8/18/09 10/8/09 11/2/09 2/4/10 5/26/10 Monitoring and Field Parameters _ I emperature ("C) (field) - Chloride --- 23.5 -- 6.8 11.6 - 7.1 20.1 6.73 19.6 7.14 20.4 6.6 16.7 19.6 NA 17.9 _ 5.8 Nitrate -Nitrogen 1.6 L7 1.66 1.5 1.6 --{5_8, 1.6 NA _ 1.7 Total Dissolved Solids 193 170 200 200 210 220 NA 210 Sulfate 9.2 9.88 9.6 9.53 9.4 7.9 NA 8.7 - pH (std units) (field) 7.61 8.24 7.61 7.85 7.62 7.11 7.16 7.24 Electrical Conductivity (umhos/em) (field) 266 371 271.8 265.6 367.2 267.6 261.4 264.9 Turbidity (NTU) (field) --------- 48.146.3 ---- 11,7 20.4 37.8 39.3 34.7 31.4 -------._.- Calcium Potassium 21.6 4.23 22 3.9 21 3.9 22 4.3 22 4.1 23 {4.2) NA NA 22 4.1 Magnesium - Sodium 10.9 15 11 13 11 14 11 14 - I I 15 ----------__-_...- 12 f 151 NA NA 1 I is Volatile Organic Comnounds (ug Benzene <0.17 <0.30 <0.33 <0.33 <0.18 <0.18 NA <0.086 Bromochloromethane NA NA <0.37 <0.32 <0.35 <0.35 NA <0.23 Br omodichloromethane NA NA <0.30 10.28 <0.30 10.30 _ NA 10.12 Bi omoform NA NA 10.31 <0.31 <0.24 <0.24 NA 10.23 Bromomethane NA NA <0A0 <0.33 <021 <0.21 NA <0.20 Carbon Tetrachloride NA NA <0.46 <0.46 <0.19 <-0.19 NA 0.18 Chlotobenzene <0.16 <0.36 <0.39 <0.39 NA NA NA <0.081 Chloroethane <0.2 10.38 <0.38 <0.31 <025 10.25 NA 10.11 Chloroform <0.20 <0.33 <0.33 <0.33 <023 <0.23 NA <0.072 Chloromethane 0.25 <0.41 <0.41 <0.36 <0.30 10.20 NA 10.11 Dibromochloromethane NA NA <0.32 <0.31 <0.23 10.23 NA 12077 1,2-Dibromo-3-chloropropane NA NA <0.69 <0.69 <0.46 <0.46 NA -0.44 1,2-Dibromoethane (EDB) NA NA <0.39 <0.39 <0.29 <029 NA 10.16 Dibromomethane NA NA <0.38 <0.38 <0.37 10.37 NA -..-0,19 1,2 -Dichlorobenzene NA NA <0.38 <0.38 <0.15 <0.15 NA -0.068 "I-,-3-Di - chlorobenzene NA NA <0.37 <0.37 <0.15 <0.15 NA ,x,0.060 1,4 -Dichlorobenzene <0.14 10.34 <0.38 <0.38 <0.16 10.16 NA <0.083 Dichlorodifluoromethane NA NA <0.68 <0.56 <0,21 <=0.21 NA I,I-Dichloroethane NA NA 10.37 <0.34 <0.13 10.13 NA 10.081 1,2 Dichloroethane (EDC)- NA NA <0.38 <0.38 <024 <0.24 NA -0.14 I I Dichloroethene <0.39 <0.43 <0.43 <0.29 <0.16 <0.16 NA -:0.12 cis 12-Dichloroethene NA NA <0.36 <0.34 <0.32 <0.32 NA - 0.1 1 trans-1,2-Dichloroethene NA NA <0.41 <0.33 <0.14 <0.14 NA 10.097 1,2-Dichloropropane NA NA <0.35 <035 <0.16 10.16 NA <0.12 cis-1,3-Dichloropropene NA NA <0.30 <029 <0.19 _ <0.19 NA <0.098 trans-1,3-Dichloropropene NA NA <0.35 <0.35 <0.13 <0.13 NA <0.079_ Ethylbenzene NA NA <0.43 <0A3 <0.14 _ <0.14 NA <0.12 Hexachlorobutadiene NA NA <0.65 <0.65 <0.26 10.26 NA10.12 10.23 <0.12 <0.23 <0.20 ,0.081 <0.072 <0.1 I <0.077 <0.44 <0.16 <0.19 -0.068 ,0.060 <0.12