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HISTORICAL SUMMARY OF ANALYTICAL RESULTS <br />LEACHATE <br />NORTH COUNTY SANITARY LANDFILL <br />Units: mo, unless noted <br />Semple Designation <br />L•3 <br />1/23/02 <br />L-3 <br />4/17/02 <br />L-3 <br />7/16/02 <br />L -J <br />10/1/02 <br />L•3 <br />1/15/03 <br />L-3 <br />1119/04 <br />L•3 <br />10/25/04 <br />L-3 <br />10/11/05 <br />L•3 <br />7/25/06 <br />L-3 <br />7/19/07 <br />L•3 <br />7/22/08 <br />L-3 <br />1/12/09 <br />L-3 <br />8/5/09 <br />L-3 <br />2/10/10 <br />L•3 <br />1/11/11 <br />L•3 <br />8/4/11 <br />L-3 <br />1/9/12 <br />ScruplingDate <br />Moulloring and Fleld Parameters <br />...I Water rh elity Pe.a et rs <br />6.81 <br />7.13 <br />7.42 <br />6.71 <br />5.62 <br />6.3 <br />6.4 <br />6.91 <br />7.06 <br />6.44 <br />6.52 <br />6.26 <br />6.52 <br />6.31 <br />G.SR <br />5.40 <br />6.9 <br />H old. units) field <br />610 <br />490 <br />2328 <br />2898 <br />4127 <br />2943 <br />398 <br />4084 <br />2648 <br />1781 <br />2776 <br />2061 <br />1974 <br />1865 <br />2803 <br />Electrical Conductivity (undros/cm field <br />1490 <br />1610 <br />21.6 <br />NM <br />21.6 <br />24.2 <br />23.1 <br />11.7 <br />25.8 <br />19.9 <br />1 I.0 <br />31.1 <br />14.7 <br />Te» erahue ("C <br />18.1 <br />21.2 <br />20 <br />22.1 <br />NR <br />16.1 <br />NR <br />18.8 <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />+74 <br />-32 <br />Oxygen Reduction Potential(ORP) fret <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />0.96 <br />2.07 <br />Dissolved Oxygen (field) <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />37.9 <br />NM <br />38.7 <br />53.7 <br />NM <br />NM <br />61.7 <br />NM <br />14.7 <br />NM <br />31.4 <br />Turbidity fill <br />NA <br />NA <br />490 <br />NA <br />540 <br />NA <br />490 <br />NA <br />450 <br />NA <br />610 <br />820 <br />810 <br />730 <br />830 <br />500 <br />340 <br />NR <br />450 <br />450 <br />530 <br />590 <br />Chloride <br />790 <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />NA <br />NR <br />NR <br />NR <br />NR <br />NR <br />810 <br />1000 <br />Total Hardness (calculated) <br />1900 <br />1600 <br />1600 <br />1700 <br />1400 <br />1600 <br />2500 <br />2490 <br />2450 <br />2900 <br />2100 <br />1200 <br />NR <br />1600 <br />1800 <br />1600 <br />2000 <br />Total Dissolved Solids <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 />240 <br />260 <br />Chemical Ox en Demand <br />10.045 <br /><0.045 <br /><0.048 <br /><0.045 <br /><0.045 <br /><A45 <br /><0.045 <br /><0.045 <br />0.1• <br />10.09 <br />0.13 <br />10.03 <br />NR <br />10.052 <br /><0.014 <br />NR <br /><0.042 <br />Ninete Niho en <br /><0.33 <br />1 <br />0.33 <br />0.72 <br />0.3" <br />0.4" <br />1.4 <br />6.61 <br />2.32 <br />NR <br />0.86 <br />0.59 <br />NR <br />10.24 <br />Sulfate <br />6.2 <br /><0.33 <br />1.1 <br />Metals <br />NR <br />NR <br />NR <br />NA <br />NA <br />230 <br />240 <br />294 <br />312 <br />290 <br />220 <br />130 <br />NR <br />160 <br />160 <br />190 <br />240 <br />Calcium, Dissolved <br />NR <br />NR <br />NR <br />NR <br />94 <br />100 <br />162 <br />177 <br />150 <br />99 <br />55 <br />NR <br />70 <br />70 <br />82 <br />110 <br />Magnesium, Dissolved <br />NR <br />NR <br />NA <br />NA <br />101.6 <br />5.7 <br />6.33 <br />6.7 <br />9.1 <br />4.8 <br />NR <br />6.7 <br />6.7 <br />NR <br />5.8 <br />Potassium, Dissolved <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />150 <br />150 <br />337 <br />337 <br />308 <br />300 <br />170 <br />110 <br />NR <br />130 <br />130 <br />NR <br />200 <br />Sodium, Dissolved <br />NR <br />volatile Organic Comoounda (ua/D <br />NT <br />NT <br />NT <br />6.2 <br />NT <br />4.6 <br />4.7 <br />4 <br />3.9 <br />2.8 <br /><0.33 <br /><1.7 <br />0.47" <br />3.8 <br />3.8 <br />0.47" <br />0.94 <br />Benzene <br />NT <br />NT <br />NT <br /><0.35 <br />NT <br /><0.39 <br />1.39 <br /><0.39 <br /><0.39 <br /><0.40 <br /><0.40 <br /><1.7 <br />NR <br /><0.12 <br /><0. 13 <br /><0.13 <br /><0. 13 <br />Bromobenzene <br />NT <br />NT <br />NT <br />10.25 <br />NT <br />10.42 <br />10.42 <br />1042 <br />10.42 <br />10.40 <br />10.40 <br /><1.6 <br />10.35 <br />10.23 <br />10.24 <br />10.24 <br /><0.24 <br />Bromceldoromethane <br />NT <br />NT <br /><0.25 <br />NT <br /><0.25 <br /><0.25 <br /><0.25 <br /><0.25 <br />N40 <br /><0.40 <br /><I4 <br />1.30 <br />10.12 <br />10.14 <br />10.14 <br />10.14 <br />Bromodichloromethane <br />NT <br /><0.55 <br />NT <br /><0. 18 <br /><0. 18 <br />1.18 <br /><0.18 <br /><0.41 <br /><0.41 <br /><16 <br /><0.24 <br /><0.23 <br /><0.27 <br /><0.27 <br />10.27 <br />Bromoform <br />NT <br />NT <br />NT <br />10.95 <br />NT <br /><0.61 <br /><0.61 <br /><0.61 <br /><0.61 <br /><0.61 <br /><0.61 <br /><1.7 <br /><0.21 <br /><0.20 <br /><0.25 <br /><0.25 <br /><0.25 <br />Bro sne <br />NT <br />NT <br />NT <br />10.55 <br />NT <br />10.38 <br />10.38 <br />10.38 <br />10.38 <br />10.37 <br />10.37 <br />Q.1 <br />NR <br />10.11 <br />10.11 <br />10.11 <br />100.1 <br />totem <br />n-butylbenzene <br />NT <br />NT <br />NT <br />NT <br />NT <br /><0.45 <br />NT <br /><0.36 <br /><0.36 <br /><0.36 <br /><0.36 <br />10.37 <br /><0.37 <br />Q.1 <br />NR <br /><0,099 <br /><0.15 <br />10.15 <br /><0.15 <br />sec-butylbenzene <br />NT <br />NT <br /><0.50 <br />NT <br /><0.35 <br /><0.35 <br />10.35 <br /><0.35 <br /><0.4I <br /><0.41 <br /><1.9 <br />NR <br /><0.083 <br /><0. 13 <br /><0. 13 <br /><0. 13 <br />tert-butylbenum <br />NT <br />NT <br /><0.30 <br />NT <br /><0,37 <br />10.37 <br />< <br />10.37 <br /><0.36 <br /><0.36 <br /><0.13 <br /><.08 <br /><.09 <br /><.09 <br />10.18 <br />Carbon tetrachloride <br />NT <br />NT <br />NT <br />NT <br />0.33" <br /><1.7 <br />7 <br />11.7 <br />0.4" <br />10.36 <br />1.36 <br /><20 <br />Q.0 <br />10.13 <br />10.081 <br />10.093 <br />10.093 <br />10.093 <br />Chlorobenzene <br />NT <br />NT <br />NT <br />0.39" <br />2.2 <br />I.S. <br />1.6 <br />1.9 <br />1.38 <br />2.7. <br />0.31" <br />I <br />0.88 <br /><0. 14 <br /><0. 14 <br />Chloroethane <br />NT <br />NT <br />NT <br />NT <br />3.6 <br />1.35 <br />NT <br />NT <br />1.8 <br />1.37 <br /><0.37 <br /><0.37 <br />1.37 <br /><0.40 <br />1.40 <br /><1.7 <br />10.23 <br />10.072 <br />10.12 <br />10.12 <br />10.12 <br />Chloroform <br />NT <br />NT <br />NT <br />NT <br />10.70 <br />NT <br /><0.18 <br />1.18 <br /><0.18 <br />10.18 <br />1.40 <br /><040 <br /><I.8 <br /><0.20 <br /><0,II <br /><0. 14 <br /><0. 14 <br />1.14 <br />Chloromedrane <br />NT <br />NT <br />10.55 <br />NT <br />0.42" <br /><1.7 <br /><1.7 <br />0.53" <br />0.40" <br />1.33 <br /><1.7 <br />NR <br /><0.18 <br />0.50 <br /><0.20 <br />1.20 <br />2-c hlorololuene <br />NT <br />NT <br />NT <br />NT <br /><0.60 <br />NT <br />1.42 <br /><0.42 <br /><0.42 <br />0.64" <br />10.38 <br />10.38 <br />12.0 <br />NR <br /><0. 14 <br /><0.15 <br /><0.15 <br /><0.15 <br />4-chlorotoluene <br />N1' <br />NT <br />NT <br /><0.30 <br />NT <br /><0.47 <br /><0.47 <br /><0.47 <br />1.47 <br />1.33 <br />1.33 <br />101.6 <br />1.23 <br />1.077 <br /><0.13 <br /><0.13 <br />10.13 <br />dibromcehloromethane <br />NT <br /><1.4 <br />NT <br />10.64 <br /><0.64 <br /><0.64 <br />1.64 <br /><0.76 <br />10.76 <br />4.5 <br /><0.46 <br /><0.44 <br /><0,44 <br /><0.44 <br /><0.44 <br />1,2-0ibromo-3-chloro ene <br />NT <br />NT <br />NT <br /><0.20 <br />NT <br />1.43 <br /><0.43 <br />1.43 <br />0.45" <br />1.38 <br /><0.38 <br />Q.0 <br /><0.29 <br /><0. 16 <br />1.16 <br />1.16 <br /><0.16 <br />NT <br />NT <br />NT <br />NT <br />10.45 <br />NT <br />10.38 <br />1.38 <br />1.38 <br />10.38 <br />10.39 <br />10.39 <br /><1.9 <br />10.37 <br />10.19 <br />10.24 <br />10.24 <br />10.2 <br />Dibrobrom thane,e <br />Dibromomethane <br />NT <br />NT <br />1.55 <br />NT <br />0.46" <br /><1.4 <br /><1.4 <br />0.21" <br />0.59 <br />1.38 <br /><1.9 <br /><0.I5 <br />0.10" <br />0.19" <br />0.080" <br /><0.072 <br />1,2 -dichlorobenzene <br />NT <br />NT <br />NT <br />NT <br />NT <br />10.65 <br />NT <br /><0.34 <br /><0.34 <br />10.34 <br /><0.34 <br /><0.33 <br /><0.33 <br /><1.9 <br />10.15 <br />10.060 <br />10.15 <br />1.15 <br /><0. 15 <br />I,3 -Dichlorobenzene <br />NT <br />NT <br />5.6 <br />NT <br />4,8 <br />2.6 <br />5.5 <br />5.4 <br />6.8 <br />3 <br />2.3" <br />1.4 <br />2.3 <br />4.3 <br />1.3 <br />0.76 <br />1,4-Dichlorobenzme <br />NT <br />NT <br /><0.45 <br />NT <br />1.31 <br /><0.31 <br /><0.31 <br />1.31 <br />1.48 <br />1.48 <br /><2.8 <br />1.21 <br /><0.11 <br /><0.099 <br /><0.099 <br />1.099 <br />Diehl orodifuoromethme <br />NT <br />NT <br />NT <br />4.2 <br />2.3" <br />1.8 <br />2.6 <br /><1.7 <br />0.20" <br />0.46" <br />0021* <br />0.46" <br />I,I•Dichlormthme <br />NT <br />NT <br />NT <br />9.3 <br />NT <br />5.4 <br />1.1 <br />11.9 <br />11.9 <br />0.82 <br />1.6 <br />1.6 <br />11.9 <br />10.24 <br />2.2 <br />2.2 <br />1.9 <br />0.21" <br />0.68 <br />1, 2-Dichloroethane <br />NT <br />NT <br />NT <br />1.3* <br />NT <br />NT <br />0.68 <br />1.24 <br /><0.24 <br /><0.24 <br />1.24 <br /><0.45 <br />1.45 <br /><L5 <br /><0.16 <br /><0.12 <br /><0.18 <br />10.18 <br /><0.18 <br />1,1-0ichloroedrere <br />NT <br />NT <br />NT <br /><0.30 <br /><0.31 <br /><0.31 <br /><0.31 <br />1.2 <br />5.7 <br />0.78 <br />1.8" <br />0.41" <br />1.7 <br />1.5 <br />0.085 <br />0.92 <br />cis-1,2-Dichimeethene <br />NT <br />NT <br />NT <br /><0.45 <br />NT <br />NT <br />10.26 <br />10.26 <br />1.26 <br /><0.26 <br />1.43 <br /><0.43 <br /><1.7 <br />10.14 <br />1.097 <br />1.15 <br /><0.15 <br /><0.I5 <br />frena-I,2-0ichlorcethene <br />NT <br />M <br />NT <br />NT <br />10.45 <br /><0.35 <br />NT <br />10.32 <br /><0.32 <br />10.32 <br /><0.32 <br />1.40 <br />0.39" <br /><I.8 <br /><0.16 <br />1.12 <br />0.28" <br />1.13 <br />10.13 <br />1,2-dichioropro ane <br />NT <br />NT <br />NT <br /><p,45 <br />NT <br />10.40 <br />1.40 <br />1.40 <br /><0.40 <br /><0.41 <br /><0.41 <br />11.9 <br />NR <br /><0.099 <br /><0.086 <br /><0.086 <br /><0.086 <br />1,3-dichlorop ane <br />NT <br />NT <br />1.95 <br />NT <br /><0.38 <br />10.38 <br />1.38 <br /><0.38 <br /><0.38 <br />1.38 <br />Q.2 <br />NR <br />1.11 <br />1.13 <br />10.13 <br />10.13 <br />2,2-dichloropropane <br />NT <br />NT <br />NT <br />1.35 <br />NT <br />1.38 <br /><0.38 <br />1.38 <br /><0.38 <br />1.46 <br /><0.46 <br />12.4 <br />NR <br />10.11 <br />10.085 <br />10.085 <br />1.085 <br />l,ldichloropro ane <br />NT <br />NT <br />NT <br />1.40 <br />NT <br />10.11 <br />10.1 t <br />10.11 <br />10.11 <br />10.34 <br />1.34 <br /><0.19 <br />'0.098 <br /><0. 14 <br /><0.14 <br /><.14 <br />Cis-1,3-dichloro ropene <br />NT <br />NT <br />NT <br /><0.35 <br />NT <br /><0.10 <br />1.10 <br />1.10 <br />1.10 <br />1.39 <br />1.39 <br />101.5 <br />18 <br />10.13 <br />10.079 <br />1.079 <br />10.079 <br />10.079 <br />trans•1,3-dichloro r e <br />NT <br />NT <br />NT <br />20 <br />20 <br />29 <br />10 <br /><0.43 <br /><2.2 <br />2.1 <br />Eth (benzene <br />NT <br />NT <br />NT <br />17 <br /><0.80 <br />NT <br />NT <br />10 <br /><0.30 <br /><0.50 <br />1.50 <br />1.50 <br />1.46 <br /><0A6 <br />Gi.3 <br />1.26 <br /><0.12 <br /><0. 17 <br /><0.17 <br /><.I7 <br />Hexachlorobmadien, <br />.------- ,1------ <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />1.1• <br />NT <br />0.84 <br />0,71 <br />1.1" <br />1.8 <br />0.78" <br />1.39 <br />X2.0 <br />NR <br />0.65 <br />0.71 <br />0.25" <br />0.28" <br />