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m m m m m m = m r w m <br />HISTORICAL SUMMARY OF ANALYTICAL RESULTS <br />LEACHATE <br />NORTH COUNTY SANITARY LANDFILL <br />Units: mp/I unless noted <br />Sample Designation <br />Swn0lhrg Date <br />L-1&2 <br />11/23/94 <br />L-1&2 <br />12/16194 <br />L-1&2 <br />6/19/95 <br />L-1&2 <br />7/10/95 <br />L-1&2 <br />10/18/95 <br />L-1&2 <br />1/2/96 <br />L-1&2 <br />1/5/96 <br />L-1&2 <br />4/5/96 <br />L-1&2 <br />7/11/96 <br />L-1&2 <br />10/1/96 <br />L-1&2 <br />1/16/97 <br />L-1&2 <br />4/9/97 <br />L-1&2 <br />7/10/97 <br />L-1&2 <br />10/1197 <br />L-1&2 <br />1/28198 <br />1,4&2 <br />4/16198 <br />L-1&2 <br />7/10/98 <br />L-1&2 <br />10/5/98 <br />L-1&2 <br />1/5199 <br />L-1&2 <br />4/26/99 <br />MOeltorine and FIeW Parameters <br />General Water Quality Parameters <br />pH (std. units) <br />6.2 <br />NR <br />6.49 <br />6.51 <br />6.59 <br />6.29 <br />6.26 <br />6.43 <br />6.18 <br />6.59 <br />5.81 <br />_7.21 <br />6.93 <br />6.25 <br />6.2 <br />6.34 <br />6.74 <br />6.47 <br />6.53 <br />6.52 <br />Electrical Conduwivity (undtos/cm) <br />_4,800 <br />NR <br />3,640 <br />3,120 <br />4,210 <br />3,840 <br />3,850 <br />3,680 <br />1,303 <br />2,900 <br />70 <br />1,480 <br />1,670 <br />3,110 <br />3,260 <br />2,400 <br />2,553 <br />2,900 <br />3,202 <br />2,606 <br />Temperature(IC) <br />NR <br />NR <br />20.9 <br />22.2 <br />24.0 <br />20.1 <br />20.2 <br />24.1 <br />30.4 <br />23.1 <br />20.16 <br />20 <br />21 <br />25.4 <br />19.33 <br />24.9 <br />28.1 <br />25.7 <br />22.8 <br />23.1 <br />Oxygen Reduction Potential (ORP) (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 />Dissolved Oxypa,(D.0)(Reld) <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 />(NTU)Reld <br />NR <br />NR <br />NR <br />NR <br />NR <br />8.6 <br />8.6 <br />NR <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />L8 <br />NA <br />NA <br />NA <br />NA <br />NA <br />_Turbidity <br />Chloride <br />670 <br />NR <br />170 <br />310 <br />680 <br />NR <br />680 <br />630 <br />39 <br />310 <br />516_ <br />296 <br />62.2 <br />549 <br />701 <br />426 <br />337 <br />679 <br />664 <br />406 <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 />Total Dissolved Solids <br />3,700 <br />NR <br />180 <br />2,100 <br />2,900 <br />NR <br />3,000 <br />2,300 <br />900 <br />1,700 <br />2,030 <br />1,540 <br />880 <br />1,930 <br />2,300 <br />1,570 <br />1,450 <br />2,080 <br />2,090 <br />1,620 <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 />Nitrate Nitrogen <br />2.2 <br />NR <br />10.1 <br />10.1 <br /><0.03 <br />NR <br />0.3 <br />10.03 <br />10.03 <br />trove <br />0.1 <br />0.18 <br />ND <br />0.38 <br />0.59 <br />ND <br />0.16 <br />10.0049 <br />10.052 <br />041 <br />Sulfate <br /><I <br />NR <br />Ince <br />trace <br />7.0 <br />NR <br /><0.7 <br />10.7 <br /><0.2 <br />3 <br />7 <br />2 <br />0.7 <br />1.8 <br />1.1 <br />1.1 <br />0.87 <br />0.11 <br /><0.0049 <br />0.08 <br />Metals <br />Calcium, 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 />NR <br />NR <br />NR <br />NR <br />Magnesium, 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 />NR <br />NR <br />NR <br />NR <br />NR <br />NR _ <br />Powssirim, 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 />NR <br />NR <br />NR <br />NR <br />NR <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 />NR <br />NR <br />NR <br />NR <br />NR <br />Volatile Organic ConUrowrds (ua/Il <br />Benzene <br />NR <br /><1 <br />have <br />NR <br />I,- <br />NR <br />9 <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />16 <br />NT <br />NT <br />NT <br />6.1 <br />NT <br />NT <br />Bromobenzene <br />NT <br />NT <br /><0.I <br />NT <br />10.1 <br />NT <br /><0.1 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />10.74 <br />NT <br />NT <br />NT <br /><0.74 <br />NT <br />NT <br />Bromochloromell-a <br />NT <br />NT <br /><0.2 <br />NT <br /><0.2 <br />NT <br /><0.2 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br /><1.2 <br />NT <br />NT <br />NT <br /><1.2 <br />NT <br />NT <br />Bromodicbloromethane <br />NT <br />NT <br /><0A <br />NT <br />10.4 <br />NT <br /><0A <br />NT <br />NT <br />NT <br />NT_ <br />NT <br />NT <br /><0.90 <br />NT <br />NT <br />NT <br /><0.90 <br />NT <br />NT <br />Bronwfomr <br />NT <br />NT <br />10.2 <br />NT <br /><0.5 <br />Ll" <br />10.2 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br /><1.4 <br />NT <br />NT <br />NT <br /><1.4 <br />NT <br />NT <br />Bmnwnrethone <br />NT <br />NT <br /><0.2 <br />NT <br />10.2 <br />NT <br /><0.2 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br /><I.l <br />NT <br />NT <br />NT <br /><LI <br />NT <br />NT <br />_ <br />n-bwylbenzene <br />_ <br />NT <br />NT <br /><0.3 <br />NT <br /><0.3 <br />NT <br /><0.3 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br /><1.6 <br />NT <br />NT <br />NT <br />11.6 <br />NT <br />NT <br />sec-bntyibenz- <br />NT_NT <br />10.3 <br />NT <br />10.3 <br />NT <br />10.3 <br />NT <br />NT <br />NT <br />NT <br />NT <br />_NT <br /><1,5 <br />NT <br />NT <br />NT <br /><L5 <br />NT <br />NT <br />wt-butylbeuzene <br />NT <br />NT <br />10,3 <br />NT <br />10.3 <br />NT <br /><0A <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br /><1.3 <br />NT <br />NT <br />NT <br /><1.3 <br />NT <br />NT <br />Carbon tetrachloride <br />NT <br />NT <br /><0.5 <br />NT <br /><0.5 <br />NT <br /><0.5 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br /><13 <br />NT <br />NT <br />NT <br /><L3 <br />NT <br />NT <br />Chlorobenzene <br />NT <br />NT <br />10.1 <br />NT <br /><0.1 <br />NT <br /><0.I <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br /><0.90 <br />NT <br />NT <br />NT <br /><0.90 <br />NT <br />NT <br />Chloroelhmre <br />NR <br />155 <br />trace <br />NR <br />trace <br />NR <br />32 <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />45 <br />NT <br />NT <br />NT <br />13 <br />NT <br />NT <br />NT <br />NT <br /><0.2 <br />NT <br /><0.2 <br />NT <br /><0.2 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />10.83 <br />NT <br />NT <br />NT <br /><0.83 <br />NT <br />NT <br />_Chloroform <br />Chloromethane <br />NT <br />NT <br /><0.3 <br />NT <br /><0.3 <br />NT <br />10.3 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br /><0.53 <br />NT <br />NT <br />NT <br /><0.53 <br />NT <br />NT <br />2c61o..wl-,t, <br />NT <br />NT <br /><0.2 <br />NT <br /><0.2 <br />NT <br /><0.2 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />1.7 <br />NT <br />NT <br />NT <br /><0.71 <br />NT <br />NT <br />4-chlorot.hwne <br />NT <br />NT <br /><0.2 <br />NT <br /><0.2 <br />NT <br /><0.2 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br /><I.1 <br />NT <br />NT <br />NT <br /><I.1 <br />NT <br />NT <br />_ <br />dib ronwchloromethane <br />NT <br />NT <br /><0.I <br />NT <br /><0.1 <br />NT <br /><0.I <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />10.97 <br />NT <br />NT <br />NT <br /><0.97 <br />NT <br />NT <br />1,2-dibrmno-3-chloropane <br />NT <br />NT <br /><0.3 <br />NT <br /><0.3 <br />NT <br /><0.3 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br /><1.2 <br />NT <br />NT <br />NT <br /><1.2 <br />NT <br />NT <br />I,2-dibromoethane <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br /><0.94 <br />NT <br />NT <br />NT <br /><0.94 <br />NT <br />NT <br />Dib romomethane <br />NT <br />NT <br /><0.4 <br />NT <br /><0.4 <br />NT <br /><0.4 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br /><1.5 <br />NT <br />NT <br />NT <br /><L5 <br />NT <br />NT <br />1,2 -dichlorobenzene <br />NT <br />NT <br />10.1 <br />NT <br /><0.1 <br />NT <br /><0.1 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br /><0.95 <br />NT <br />NT <br />NT <br /><0.95 <br />NT <br />NT <br />1,3 -Dichlorobenzene <br />NR <br />NR <br /><3 <br />NR <br /><I <br />NR <br /><I <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><I.1 <br />NT <br />NT <br />NT <br /><I.1 <br />NT <br />NT <br />l4-Dichlor_obaam,,a_ <br />NR <br />NR <br /><3 <br />NR <br />trace_ <br />NR <br /><1 <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />5.1 <br />NT <br />NT <br />NT <br />2.6 <br />NT <br />NT <br />__ <br />DicldmrodiBuoromethane <br />NT <br />NT <br /><0.3 <br />NT <br /><0.3 <br />NT <br /><0.3 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br /><0.19 <br />NT <br />NT <br />NT <br /><0. 19 <br />NT <br />NT <br />1,1-DichloroeWmte <br />NR <br />37.5 <br /><2 <br />NR <br />trace <br />NR <br />28 <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />58 <br />NT <br />NT <br />NT <br />16 <br />NT <br />NT <br />1,2-Di6loroe0mne <br />NR <br />92.5 <br />trace <br />NR <br />trace <br />NR <br />18 <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />Il <br />NT <br />NT <br />NT <br /><LI <br />NT <br />NT <br />Ll-dichlorcethen <br />NT <br />NT <br /><0.4 <br />NT <br /><0.4 <br />NT <br /><0.4 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br /><0.72 <br />NT <br />NT <br />NT <br /><0.72 <br />NT <br />NT <br />cis-1,2-Dicldorocthene <br />NR <br />NR <br />trace <br />NR <br />trace <br />NR <br />36 <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />5.3 <br />NT <br />NT <br />NT <br />2.3 <br />NT <br />NT <br />trans-l,2-dichlo_-llm a <br />NT <br />NT <br /><0.2 <br />NT <br /><0.2 <br />NT <br /><0.2 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br /><0.94 <br />NT <br />NT <br />NT <br /><0.94 <br />NT <br />NT <br />I,2 -did loroproeane <br />NT <br />NT <br /><0.5 <br />NT <br /><0.5 <br />NT <br /><0.5 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br /><0.15 <br />NT <br />NT <br />NT <br /><0.15 <br />NT <br />NT <br />1,3-dicbloroprop. <br />NT <br />NT <br /><0.2 <br />NT <br /><0.2 <br />NT <br /><0.2 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br /><I_I <br />NT <br />NT <br />NT <br /><LI <br />NT <br />_ NT <br />2,2-di61oropropnne <br />NT <br />NT <br /><0.4 <br />NT <br /><0.4 <br />NT <br /><0.4 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />4.0 <br />NT <br />NT <br />NT <br /><1,0 <br />NT <br />NT <br />1,1-dichloropropene <br />NT <br />NT <br />10.4 <br />NT <br /><0.4 <br />NT <br /><0,4 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br /><LI <br />NT <br />NT <br />NT <br /><I.1 <br />NT <br />NT <br />Cis-1,3-dichloropropene <br />NT <br />NT <br /><0.5 <br />NT <br /><0.5 <br />NT <br /><0.5 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />1 <br />NT <br />NT_ <br />NT <br /><0.76 <br />NT <br />NT <br />trans-l,3-dicbloropropene <br />NT <br />NT <br />10.5 <br />NT <br /><0.5 <br />NT <br />10.5 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br /><LI <br />NT <br />NT <br />NT <br /><l.l <br />NT <br />NT <br />Ethylbenzene <br />NR <br />NR <br />trace <br />NR <br />trace <br />NR <br />10 <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />29 <br />NT <br />NT <br />NT <br />II <br />NT <br />NT <br />Hexncldorobumdicne <br />NT <br />NT <br /><0,4 <br />NT <br /><0.4 <br />NT <br /><0.4 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br /><0.2 <br />NT_ <br />NT <br />NT <br />10.20 <br />NT <br />NT <br />Isopropylben w <br />NT <br />NT <br /><0.3 <br />NT <br /><0.3 <br />{0.18") <br /><0.3 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />2.1 <br />NT <br />NT <br />NT <br /><1,2 <br />NT <br />NT <br />p -iso rop pyholuene <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />2.1 <br />NT <br />NT <br />NT <br /><1.2 <br />NT <br />NT <br />Methyl -Chloride <br />NR <br />NR <br />Ince <br />NR <br /><2 <br />NR <br />4 <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br />27 <br />NT <br />NT <br />NT <br />29 <br />NT <br />NT <br />