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9 0 0 <br />HISTORICAL SUMMARY OF ANALYTICAL RESULTS <br />LEACHATE <br />NORTH COUNTY SANITARY LANDFILL <br />Units: mg1l, unless noted <br />Sample Designation <br />Sam lin Dale <br />L-1&2 L-1&2 <br />1123/94 12/16/94 <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-0&2 <br />1/5/96 <br />L-1&2 <br />4/5/96 <br />L-1&2 <br />7/11196 <br />L-1&2 <br />10/1/96 <br />L-1&2 <br />1/16/97 <br />L-1&2 <br />419/97 <br />L-1&2 <br />7110/97 <br />L-1&2 <br />10/1/97 <br />L-1&2 <br />128/98 <br />L-1&2 <br />4/16/98 <br />L-1&2 <br />7110/98 <br />L-1&2 <br />10/3/98 <br />L-1&2 <br />1/5/99 <br />L-1&2 <br />4/26/99 <br />Mmnitodne and FIe1J Peramelera <br />9enerel Wahr � elity Peramelera <br />- - <br />pH (std. unite) <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 Conductivity (undmlcm) <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 />Temperahtre (°C) <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 Potent al (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 />Dissolved Oxygen (D.0) (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 />Turbidity (NTC) field <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 />_ 1.8 <br />NA <br />NA <br />NA <br />NA <br />NA <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 Hardneas (calcul ted) <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 />1,430 <br />2,080 <br />2,090 <br />1,620 <br />Chemical Oxygm 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 />10.03 <br />NR <br />0.3 <br /><0.03 <br /><0.03 <br />trace <br />0.1 <br />0.18 <br />ND <br />0.38 <br />0.59 <br />ND <br />0.16 <br />10.0049 <br /><0.052 <br />0.41 <br />Sulfate <br /><I <br />NR <br />trace <br />trace <br />7.0 <br />NR <br /><0.7 <br /><0.7 <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 />10.0049 <br />0.08 <br />Ldatala <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 />NR <br />Magnesium, Dissolved <br />Potassium, 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 />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 />7V,-,Abl. olggWc omoomda(UM <br />Bmune <br />NR <br /><1 <br />tmce <br />NR <br />trace <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 />Bromobenune <br />NT <br />NT <br /><0.1 <br />NT <br /><0.1 <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 />Bromochimmethane <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 />Bromodichlorometlmre <br />NT <br />NT <br /><0A <br />NT <br /><0.4 <br />NT <br /><0.4 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />10.90 <br />NT <br />NT <br />NT <br /><0.90 <br />NT <br />NT <br />Brrnnoform <br />NT <br />NT <br /><0.2 <br />NT <br /><0.5 <br />I.I. <br /><0.2 <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 />Brmnmrethane <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 /><LI <br />NT <br />NT <br />NT <br /><I.1 <br />NT <br />NT <br />n-butylbenzweNT <br />NT <br /><0.3 <br />NT <br /><03 <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 /><1.6 <br />NT <br />NT <br />sec-bu Ibenzene <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 /><1.5 <br />NT <br />NT <br />NT <br /><I.5 <br />NT <br />NT <br />tert-bulylbenune <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 /><1.3 <br />NT <br />NT <br />NT <br />4.3 <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 /><1.3 <br />NT <br />NT <br />NT <br /><1.3 <br />NT <br />NT <br />Chlorobenune <br />NT <br />NT <br /><0.1 <br />NT <br /><0.1 <br />NT <br /><0.1 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br /><0.90 <br />NT <br />NT <br />NT <br />10.90 <br />NT <br />NT <br />Chloroethane <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 />Chloroform <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 /><0.83 <br />NT <br />NT <br />NT <br /><0.83 <br />NT <br />NT <br />Chloromedwne <br />NT <br />NT <br /><0.3 <br />NT <br /><0.3 <br />NT <br /><03 <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 />2-chlorotolume <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 />4ahlorololueno <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 /><LI <br />NT <br />NT <br />NT <br /><1.1 <br />NT <br />NT <br />dibronimhloromethane <br />NT <br />NT <br /><0.1 <br />NT <br /><0.1 <br />NT <br /><0.1 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br /><0.97 <br />NT <br />NT <br />NT <br /><0.97 <br />NT <br />NT <br />1,2dibromo-3-chloro ane <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 />11.2 <br />NT <br />NT <br />1,2-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 />10.94 <br />NT <br />NT <br />Dibromomethane <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 /><105 <br />NT <br />NT <br />1,2-dichlorobenune <br />NT <br />NT <br />10.1 <br />NT <br /><0.I <br />NT <br />10.1 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />10.95 <br />NT <br />NT <br />NT <br /><0.95 <br />NT <br />NT <br />1,3 -Dichlorobenzene <br />NR <br />NR <br />d <br />NR <br /><I <br />NR <br /><I <br />NR <br />NR <br />NR <br />NR <br />NR <br />NR <br /><l.l <br />NT <br />NT <br />NT <br /><1.1 <br />NT <br />NT <br />1,4-Dichlorobmune <br />NR <br />NR <br /><3 <br />NR <br />trace <br />NR <br /><I <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 />Dichlorodifluoromethane <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 /><0A9 <br />NT <br />NT <br />NT <br /><0. 19 <br />NT <br />NT <br />I,I-Dichlorcelha= <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-Dichlormthane <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 />I I <br />NT <br />NT <br />NT <br /><I.1 <br />NT <br />NT <br />I,ldichloroethene <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-Dichlorcethene <br />NR <br />NR <br />trace <br />NR <br />uace <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 />Mens-1,2dichlormthem <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 />1,2dichlompropane <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 />1,3dichloro ropame <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 /><Ll <br />NT <br />NT <br />NT <br /><l.l <br />NT <br />NT <br />2,2dichl ropam <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 /><I.0 <br />NT <br />NT <br />NT <br /><I.0 <br />NT <br />NT <br />I,ldichloro ropme <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.I <br />NT <br />NT <br />NT <br /><1.1 <br />NT <br />NT <br />Cis-1,3dichloropropene <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- 1,3dichloro r ene <br />NT <br />NT <br /><0.5 <br />NT <br /><0.5 <br />NT <br />10.5 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br /><1.1 <br />NT <br />NT <br />NT <br /><I.1 <br />NT <br />NT <br />EJrylbenune <br />NR <br />NR <br />trove <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 />Hexachlorobumdime <br />NT <br />NT <br /><0A <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 /><0.20 <br />NT <br />NT <br />Isopropyibmune <br />NT <br />NT <br /><0.3 <br />NT <br /><0.3 <br />J0.18-) <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 />-iso ropylioluene <br />rui. ;A. <br />NT <br />NR <br />NT <br />NR <br />NT <br />trace <br />NT <br />NR <br />NT <br /><2 <br />NT <br />NR <br />NT <br />4 <br />NT <br />NR <br />NT <br />NR <br />NT <br />NR <br />NT <br />NR <br />NT <br />NR <br />NT <br />NR _ <br />2.1 <br />27 <br />NT <br />NT <br />NT <br />NT <br />NT <br />NT <br />11.2 <br />29 <br />NT <br />NT <br />NT <br />NT <br />