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HISTORICAL SUMMARY OF ANALYTICAL RESULTS <br />LEACHATE <br />NORTH COUNTY SANITARY LANDFILL <br />Units' mg/I unless noted <br />Sample Desigumion <br />Sam Ihn Date <br />L-1&2 <br />7/20/99 <br />L-1&2 <br />10/19/99 <br />L-1&2 <br />3/2/00 <br />L-1&2 <br />4/26/00 <br />L-1&2 <br />8/16100 <br />L-1&2 <br />10/5/00 <br />L-1&2 <br />1/11/01 <br />L.1&2 <br />4/12/01 <br />L-1&2 <br />7/31/01 <br />L-1&2 <br />10/10/01 <br />L-1&2 <br />1/23102 <br />L-1&2 <br />4/17/02 <br />L-1&2 <br />7/16/02 <br />L-1&2 <br />10/1/02 <br />L-1&2 <br />1/15/03 <br />L-1&2 <br />1/19/04 <br />L-1&2 <br />10/25/04 <br />L-1&2 <br />10/11/05 <br />L-1 <br />7/24/06 <br />L-1 <br />7/19/07 <br />L -I <br />7/22/08 <br />L -I <br />1/12/09 <br />L -I <br />8/17/09 <br />Monitoring and Fleld Parameters <br />General Water Ouelity Parameters <br />NT <br />0.534 <br />NT <br />NT <br />NT <br />0.445" <br />NT <br />NT <br />NT <br />0.16" <br />NT <br />NT <br />NT <br /><0.55 <br />NT <br /><0.33 <br /><0.33 <br /><0.33 <br />0.49" <br />0.51" <br /><0.33 <br /><1.7 <br />NT <br />pH (std. units) <br />6.19 <br />6.64 <br />6.29 <br />6.75 <br />6.53 <br />6.65 <br />6.06 <br />7.36 <br />6.64 <br />6.2 <br />6.69 <br />6.74 <br />7.37 <br />6.81 <br />6.18 <br />6.55 <br />6,53 <br />6.88 <br />7.08 <br />6.59 <br />6.49 <br />6.63 <br />6.37 <br />Electrical Conductivity (undmkin) <br />2,803 <br />2,863 <br />3,602 <br />3,208 <br />3,290 <br />3,145 <br />2,840 <br />390 <br />3,050 <br />3,770 <br />3,480 <br />2,560 <br />570 <br />490 <br />3309 <br />3988 <br />4107 <br />2647 <br />371 <br />3785 <br />2780 <br />4281 <br />2171 <br />Tennperannre (°C) <br />27.1 <br />25.5 <br />23.4 <br />24.4 <br />25.3 <br />24.1 <br />23.6 <br />18.7 <br />23.5 <br />23.8 <br />21.4 <br />21.3 <br />20.1 <br />21.9 <br />18.4 <br />16A <br />21.9 <br />NM <br />20.9 <br />22.1 <br />22.8 <br />24.8 <br />20.9 <br />Oxygen Reduction Potential (ORP) (field) <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />Dissolved Oxygen(D.0 geld) <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />Tmbidity(NTU) field <br />NA <br />>200 <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />19.7 <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />41.8 <br />NM <br />31.9 <br />46.3 <br />NM <br />NM <br />NM <br />Chloride <br />428 <br />469 <br />768 <br />477 <br />577 <br />536 <br />594 <br />590 <br />570 <br />1000 <br />1300 <br />830 <br />1200 <br />770 <br />710 <br />940 <br />580 <br />790 <br />730 <br />840 <br />590 <br />1000 <br />NR <br />Total Hardness (calculated) <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />Toto[ Dissolved Solid. <br />1,660 <br />1,950 <br />2,500 <br />1,900 <br />1,990 <br />1,850 <br />1,880 <br />2,010 <br />1,900 <br />2,500 <br />2,500 <br />2,100 <br />2,700 <br />2,100 <br />2000 <br />2300 <br />1700 <br />2520 <br />2440 <br />2800 <br />2400 <br />2600 <br />NR <br />Chemical Oxygen Demand <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />Nitrate Nitrogen <br />10.0049 <br />10.0043 <0.0043 <br /><0.0043 10.0045 <br />10.0045 <br /><0.045 <br /><0.045 <br />10.045 <br />1.40 <br /><0.045 <br /><0.045 <br /><0.048 <br />10.045 <br /><0.045 <br />0.066 <br /><0.045 <br />10.045 <br /><0.05 <br /><0.09 <br />1.64 <br /><0.03 <br />NR <br />Sulfate <br />0.1 <br /><0.013 <br /><0.013 <br />2.58 <br /><0.02I <br />10.021 <br />2.51 <br />1.97 <br /><0.21 <br />10.32 <br /><0.33 <br />0.91 <br />1.1 <br />0.50" <br />2.7 <br />1.2 <br /><0.31 <br />0.3" <br />0.4" <br />1.4 <br />3.44 <br /><020 <br />NR <br />_ <br /><0.16 <br />cis-1,2-Dichloroethe_n_e <br />NT <br />0.753 <br />NT <br />NT <br />NT3.06 <br />NT <br />NT <br />NT <br />0.79 <br />NT <br />NT <br />NT <br />LG" <br />NT <br />0.66 <br />0.66 <br /><2.I <br />1.1 <br />4.5 <br />1.6 <br />Metal <br />C.Ielnm, Dissolved <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />280 <br />360 <br />295 <br />310 <br />290 <br />280 <br />290 <br />NR_ <br />Magnesimn, Dissolved <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />140 <br />180 <br />167 <br />175 <br />160 <br />140 <br />150 <br />NR <br />Potassium, <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><1.6 <br />3.3 <br />5.25 <br />5.9 <br />7A <br />7.4 <br />5.8 <br />NR <br />_Dissolved <br />Sodium, Dissolved <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />230 <br />280 <br />347 <br />302 <br />300 <br />230 <br />290 <br />NR <br />Volatile Organic Comoounds (uv/11 <br />NT <br />1,1-d.eldoopropene <br />NT <br />0.07 <br />NT <br />NT <br />NT <br /><0.07 <br />NT <br />NT <br />NT <br /><0.07 <br />NT <br />NT <br />NT <br />=0.35 <br />NT <br /><0.38 <br /><0.38 <br />10.38 <br /><0.38 <br /><0.46 <br /><0.46 <br />Benzene <br />NT <br />5.25 <br />NT <br />NT <br />NT <br />6.07 <br />NT <br />NT <br />NT <br />4.5 <br />NT <br />NT <br />NT <br />4.4 <br />NT <br />2A <br />6.8 <br />4.1 <br />3.4 <br />1.8 <br />0.68 <br />2" <br />2.8 <br />Bmnobenzen. <br />NT <br /><0.07 <br />NT <br />NT <br />NT <br /><0.07 <br />NT <br />NT <br />NT <br /><0.07 <br />NT <br />NT <br />NT <br /><035 <br />NT <br /><0.39 <br /><0.39 <br /><0.39 <br /><0.39 <br /><0.40 <br />10.40 <br /><I.7 <br />NT <br />Bromochloromethene <br />NT <br /><0.05 <br />NT <br />NT <br />NT <br /><0.05 <br />NT <br />NT <br />NT <br /><0.05 <br />NT <br />NT <br />NT <br />1025 <br />NT <br />10.42 <br /><0.42 <br /><0.42 <br /><0.42 <br />10.40 <br /><0.40 <br /><1.6 <br /><0.35 <br />Brontodieldorometh.ne <br />NT <br />10.05 <br />NT <br />NT <br />NT <br /><0.05 <br />NT <br />NT <br />NT <br /><0.05 <br />NT <br />NT <br />NT <br /><0.25 <br />NT <br /><0.25 <br /><0.25 <br /><0.25 <br /><0.25 <br /><0.40 <br /><0.40 <br /><1.4 <br /><0.30 <br />Bronnoroml <br />NT <br /><0.11 <br />NT <br />NT <br />NT <br /><0.II <br />NT <br />NT <br />NT <br /><0.II <br />NT <br />NT <br />NT <br /><0.55 <br />NT <br /><0. 18 <br /><0. 18 <br />10.18 <br /><0.18 <br /><0AI <br /><0.41 <br /><1.6 <br /><0.24 <br />B-mmuethane <br />NT <br /><0.38 <br />NT <br />NT <br />NT <br /><0.38 <br />NT <br />NT <br />NT <br /><0.38 <br />NT <br />NT <br />NT <br /><0.95 <br />NT <br /><0.61 <br /><0.61 <br />10.61 <br /><0.61 <br /><0.61 <br /><0.61 <br /><1.7 <br /><0.21 <br />n-bntylbenzene <br />NT <br /><0.11 <br />NT <br />NT <br />NT <br />0.138" <br />NT <br />NT <br />NT <br /><0.II <br />NT <br />NT <br />NT <br /><0.55 <br />NT <br /><0.38 <br /><0.38 <br /><0.38 <br /><0.38 <br /><0.37 <br /><0.37 <br /><2.1 <br />NT <br /><1.5 <br />NT <br />0.133" <br />NT <br />NT <br />NT <br />0.176* <br />NT <br />NT <br />NT <br />0.10" <br />NT <br />NT <br />NT <br /><0.45 <br />NT <br /><0.36 <br />0.39" <br /><0.36 <br /><0.36 <br /><0.37 <br /><0.37 <br />Q.1 <br />NT <br />_sec-butylbenzene <br />tett-batylbenzene <br />NT <br />10.09 <br />NT <br />NT <br />NT <br /><0.11 <br />NT <br />NT <br />NT <br /><0.10 <br />NT <br />NT <br />NT <br /><0.50 <br />NT <br /><0.35 <br /><0.35 <br /><0.35 <br /><0.35 <br />10.41 <br /><0.41 <br /><1.9 <br />NT <br />Carbon tetrachloride <br />NT <br /><0.06 <br />NT <br />NT <br />NT <br /><0.06 <br />NT <br />NT <br />0.4" <br /><0.06 <br />NT <br />NT <br />NT <br /><0.30 <br />NT <br /><0.37 <br /><0.37 <br /><0.37 <br /><0.37 <br /><0.48 <br /><0A8 <br /><2.3 <br /><0. 19 <br />Chlorobenzeoe <br />NT <br />0174" <br />NT <br />NT <br />NT <br />0.168" <br />NT <br />NT <br />NT <br />0.12" <br />NT <br />NT <br />NT <br /><0.35 <br />NT <br /><0.32 <br />0.63 <br /><0.32 <br />0.4" <br /><0.36 <br /><0.36 <br /><2.0 <br />0.4" <br />Chlorcelhau <br />NT <br />7.36 <br />NT <br />NT <br />NT <br />8.29 <br />NT <br />NT <br />NT <br />II <br />NT <br />NT <br />NT <br />8.4 <br />NT <br />2.5 <br />1.1 <br />2.4" <br />1.4 <br />1.6 <br />0.96" <br />1.8" <br />1.3 <br />Chlaroromt <br />NT <br /><0.06 <br />NT <br />NT <br />NT <br /><0.07 <br />NT <br />NT <br />NT <br /><0.07 <br />NT <br />NT <br />NT <br /><0.35 <br />NT <br /><0.37 <br />0.4" <br /><0.37 <br /><0.37 <br /><0.40 <br /><0.40 <br /><1.7 <br /><0.23 <br />Chlo-nobne <br />NT <br /><0.14 <br />NT <br />NT <br />NT <br />0.149" <br />NT <br />NT <br />NT <br /><0. 14 <br />NT <br />NT <br />NT <br /><0.70 <br />NT <br />-<0. 18 <br /><0.18 <br /><0.18 <br /><0.18 <br /><0.40 <br /><0.40 <br /><1.8 <br /><0.20 <br />2-eldorotolaene <br />NT <br />0.534 <br />NT <br />NT <br />NT <br />0.445" <br />NT <br />NT <br />NT <br />0.16" <br />NT <br />NT <br />NT <br /><0.55 <br />NT <br /><0.33 <br /><0.33 <br /><0.33 <br />0.49" <br />0.51" <br /><0.33 <br /><1.7 <br />NT <br />_ <br />4-chlorololuene <br />NT <br /><0.12 <br />NT <br />NT <br />NT <br /><0.12 <br />NT <br />NT <br />NT <br /><0.12 <br />NT <br />NT <br />NT <br /><0.60 <br />NT <br /><0.42 <br /><0.42 <br /><0.42 <br />0.55" <br /><0.38 <br /><0.38 <br /><1.6 <br />NT <br />dibromochloromethane <br />NT <br /><0.06 <br />NT <br />NT <br />NT <br /><0.06 <br />NT <br />NT <br />NT <br /><0.06 <br />NT <br />NT <br />NT <br /><0.30 <br />NT <br /><0.47 <br /><0A7 <br /><0.47 <br /><0.47 <br />1033 <br /><0.33 <br /><L6 <br /><0.23 <br />1,2-dibromo-3-chloropane <br />NT <br /><0.29 <br />NT <br />NT <br />NT <br /><0.29 <br />NT <br />NT <br />NT <br /><0.29 <br />NT <br />NT <br />NT <br /><1.4 <br />NT <br /><0.64 <br /><0.64 <br /><0.64 <br /><0.64 <br />10.76 <br />10.76 <br /><3.5 <br /><0.46 <br />1,2-dibro,nmil ne <br />NT <br /><0.04 <br />NT <br />NT <br />NT <br />10.04 <br />NT <br />NT <br />NT <br /><0.04 <br />NT <br />NT <br />NT <br /><0.20 <br />NT <br /><0.43 <br /><0.43 <br /><0.43 <br />0.5 <br /><0.38 <br /><0.38 <br /><2.0 <br /><0.29 <br />Dibromomelbane <br />NT <br />10.09 <br />NT <br />NT <br />NT <br />10.09 <br />NT <br />NT <br />NT <br />10.09 <br />NT <br />NT <br />NT <br /><0.45 <br />NT <br /><0.38 <br /><0.38 <br /><0.38 <br /><0.38 <br /><0.39 <br /><0.39 <br /><1.9 <br /><0.37 _ <br />_ <br />-dichlorobenzene <br />NT <br />0.359" <br />NT <br />NT <br />NT <br />0.316" <br />NT <br />NT <br />NT <br />0.12" <br />NT <br />NT <br />NT <br /><0.55 <br />NT <br />10.31 <br />0.64 <br /><0.31 <br />0.18" <br />0.44" <br /><0.38 <br /><I.9 <br />0.28" <br />_1,2 <br />_ <br />1,3 -Dichlorobenzene <br />NT <br /><0.13 <br />NT <br />NT <br />NT <br /><G.13 <br />NT <br />NT <br />NT <br />10.13_ <br />NT <br />NT <br />NT <br /><0.65 <br />NT <br /><0.34 <br />10.34 <br /><0.34 <br /><0.34 <br /><0.33 <br /><0.33 <br /><I.9 <br /><0.13 <br />I,4-Dicldoro benzene <br />Nr <br />3.3 <br />NT <br />NT <br />NT <br />4 <br />NT <br />NT <br />NT <br />2.2 <br />NT <br />NT <br />NT <br />1.8" <br />NT <br />0.88 <br />9.3 <br />4.1 <br />5.2 <br />6.8 <br />3.4 <br />8 <br />5.3 <br />DmIdorodi(lnoroanethaue <br />NT <br /><0.07 <br />NT <br />NT <br />NT <br />2.24 <br />NT <br />NT <br />NT <br /><0.09 <br />NT <br />NT <br />_NT <br /><0.45 <br />NT <br /><0.3I <br /><0.31 <br /><0.31 <br /><0.31 <br /><0.48 <br /><048 <br /><2.8 <br /><0.21 <br />1,1-Dicldoroetha_ne <br />NT <br />NT <br />NT <br />NT <br />8.34 <br />NT <br />NT <br />NT <br />II <br />NT <br />NT <br />NP <br />8.2 <br />NT <br />3.42.8 <br />2.3" <br />1.7 <br />2.3 <br />1.1 <br /><1.7 <br />1.2 <br />1, 2-Dield-ethane <br />NT <br />_8.71 <br />7.91 <br />NT <br />NT <br />NT <br />8.19 <br />NT <br />NT <br />NT <br />4.9 <br />NT <br />NT <br />NT <br />2.4" <br />_ NT <br />0.83 <br />3.3 <br /><1.9 <br /><1.9 <br />0.7 <br />1.4 <br /><1.9 <br />0.61 <br />_ <br />1,1-dichloroethene <br />NT <br /><0.05 <br />NT <br />NT <br />NT <br />0.0743" <br />NT <br />NT <br />NT <br /><0.06 <br />NT <br />NT <br />NT <br /><0.30 <br />NT <br /><0.24 <br /><0.24 <br /><0.24 <br /><0.24 <br /><0.45 <br /><0.45 <br /><1.5 <br /><0.16 <br />cis-1,2-Dichloroethe_n_e <br />NT <br />0.753 <br />NT <br />NT <br />NT3.06 <br />NT <br />NT <br />NT <br />0.79 <br />NT <br />NT <br />NT <br />LG" <br />NT <br />0.66 <br />0.66 <br /><2.I <br />1.1 <br />4.5 <br />1.6 <br />3.8 <br />4.4 <br />trans-I,2-die_hloroelhene <br />NT <br />0.107" <br />NT <br />NT <br />NT <br />0.171 <br />NT <br />NT <br />NT <br />0.17" <br />NT <br />NT <br />NT <br /><0.45 <br />NT <br /><0.26 <br /><0.26 <br /><0.26 <br /><0.26 <br /><0.43 <br /><0.43 <br /><l.7 <br /><0.14 <br />1,2-dichbropropmne <br />NT <br />0.219" <br />NT <br />NT <br />NT <br /><0.07 <br />NT <br />NT <br />NT <br />0.29" <br />NT <br />NT <br />NT <br /><0.35 <br />NT <br /><0.32 <br />0.37" <br />10.32 <br /><032 <br /><0.40 <br /><040 <br /><I.8 <br />10.16 <br />1,3-dicldompropane <br />NT <br /><0.09 <br />NT <br />NT <br />NT <br /><0.09 <br />NT <br />NT <br /><0.09 <br />NT <br />NT <br />NT <br /><0.45 <br />NT <br />10A0 <br /><0.40 <br /><0.40 <br /><0.40 <br /><0AI <br /><041 <br /><1.9 <br />NT <br />_ <br />2,2-diddoropropane <br />NT <br /><0.04 <br />NT <br />NT <br />NT <br /><0. 19 <br />NT <br />NT <br />NT <br />NT <br /><0. 19 <br />NT <br />NT <br />NT <br /><0.95 <br />NT <br /><0.38 <br /><0.39 <br /><0.38 <br /><938 <br /><0.38 <br /><0.38 <br />Q.2 <br />NT <br />1,1-d.eldoopropene <br />NT <br />0.07 <br />NT <br />NT <br />NT <br /><0.07 <br />NT <br />NT <br />NT <br /><0.07 <br />NT <br />NT <br />NT <br />=0.35 <br />NT <br /><0.38 <br /><0.38 <br />10.38 <br /><0.38 <br /><0.46 <br /><0.46 <br />12.4 <br />NT <br />Cis-1,3-dichloropropane <br />NT <br /><0.03 <br />NT <br />NT <br />NT <br /><0.08 <br />NT <br />NT <br />NT <br /><0.08 <br />NT <br />NT <br />NT <br /><0.40 <br />NT <br /><0.II <br />10.11 <br /><0.11 <br />10.11 <br /><0.34 <br /><0.34 <br /><L5 <br /><0.19 <br />trans- l,3-dichloropropene <br />NT <br /><0.07 <br />NT <br />NT <br />NT <br /><0.07 <br />NT <br />NT <br />NT <br /><0.07 <br />NT <br />NT <br />NT <br /><0.35 <br />NT <br /><0.10 <br /><0. 10 <br /><0.10 <br /><0.10 <br /><0.39 <br /><0.39 <br /><1.8 <br /><0.13 <br />Ethylbenzene <br />NT <br />22.1 <br />NT <br />NT <br />NT <br />19.3 <br />NT <br />NT <br />NT <br />3.9 <br />NT <br />NT <br />NT <br />4.4 <br />NT <br />2.6 <br />45 <br />21 <br />26 <br />5.8 <br />1.8 <br />7 <br />5.4 <br />Hexnchlorobutadiene <br />NT <br /><0.16 <br />NT <br />NT <br />NT <br /><0.16 <br />NT <br />NT <br />NT <br /><0A6 <br />NT <br />NT <br />NT <br /><0.80 <br />NT <br />10.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />10.46 <br /><0A6 <br /><3.3 <br /><0.26 <br />Isopr.01be-em <br />NT <br />1.17 <br />NT <br />NT <br />NT <br />1.43 <br />NT <br />NT <br />NT <br />0.72 <br />NT <br />NT <br />NT <br />0.66" <br />NT <br />0.44" <br />0.67 <br />1.2" <br />1.6 <br />0.49" <br /><0.39 <br />12.0 <br />NT <br />p-isopropyholuene <br />NT <br />0.272" <br />NT <br />NT <br />NT <br />1.04 <br />NT <br />NT <br />NT <br />0.37" <br />NT <br />NT <br />NT <br /><0.55 <br />NT <br />0.52 <br />0.50 <br /><1.5 <br />11.5 <br />NT <br />NT <br />NT <br />NT <br />Methylene Chloride <br />NT <br />0.370" <br />NT <br />NT <br />NT <br />0,966 <br />NT <br />NT <br />NT <br />I <br />NT <br />NT <br />NT <br />1.4" <br />NT <br /><0.23 <br />0.82 <br /><0.23 <br />0.4" <br />1.4" <br /><0.23 <br /><1.5 <br />(0.71"1 <br />