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Table 2.4 <br />Corrective Action Monitoring Trend Analysis Summary <br />Austin Road Landfall <br />Analyte <br />Units <br />AMW-t <br />11/14/t2° <br />AMW-4 <br />11/26/12 <br />AMW-5R <br />11/14/12 <br />AMW-10 <br />11/14/12 <br />AMW-11 <br />11/14/12 <br />AMW-18 <br />11/14/12 <br />AMW-19 <br />11/14/12 <br />AMW-19BR <br />11/14/12 <br />Field Parameters <br />Temperature <br />°C <br />~ <br />— <br />> <br />~ <br />< <br />~ <br />~ <br />— <br />Specific Conductance <br />µmhos/cm <br />> <br />< <br />> <br />< <br />< <br />~ <br />H <br />VH units <br />< <br />> <br />> <br />_ <br />> <br />~ <br />~ <br />> <br />Turbidity <br />NTU <br />~ <br />< <br />> <br />> <br />~ <br />~ <br />~ <br />~ <br />Monitoring Parameters <br />Arsenic <br />mg/L <br />> <br />~ <br />~ <br />~ <br />~ <br />~ <br />Barium <br />mg/L <br />> <br />~ <br />< <br />< <br />~ <br />> <br />~ <br />Bicarbonate <br />mg/L <br />— <br />~ <br />> <br />< <br />> <br />~ <br />Calcium <br />mg/L <br />— <br />< <br />~ <br />< <br />Carbonate <br />mg/L <br />~ <br />Chloride <br />mg/L <br />-- <br />< <br />> <br />< <br />< <br />< <br />> <br />Chromium, Hexavalent <br />mg/L <br />~ <br />~ <br />~ <br />~ <br />~ <br />~ <br />< <br />< <br />Magnesium <br />mg/L <br />~ <br />< <br />~ <br />< <br />< <br />~ <br />~ <br />~ <br />Nitrate as N <br />mg/L <br />< <br />~ <br />> <br />< <br />~ <br />~ <br />< <br />< <br />Oil and Grease <br />mg/L <br />~ <br />Potassium <br />mg/L <br />~ <br />< <br />> <br />< <br />< <br />< <br />~ <br />~ <br />Sodium <br />mg/L <br />— <br />~ <br />> <br />< <br />~ <br />< <br />~ <br />~ <br />Strontium <br />m L <br />~ <br />< <br />~ <br />< <br />~ <br />~ <br />Sulfate <br />m L <br />< <br />~ <br />> <br />> <br />< <br />< <br />< <br />TDS <br />m L <br />~ <br />< <br />> <br />< <br />< <br />< <br />~ <br />~ <br />Volatile Petroleum Hydrocarbons <br />u L <br />~ <br />~ <br />~ <br />~ <br />~ <br />~ <br />Volatile Organic Compounds <br />1,1-Dichloroethane <br />ug/L> <br />~ <br />~ <br />~ <br />< <br />1,2 -Dichlorobenzene <br />ug/L <br />> <br />~ <br />~ <br />~ <br />~ <br />1,2-Dichloroethane <br />ug/L <br />< <br />~ <br />~ <br />~ <br />1,2-Dichloro ro ane <br />ug/L <br />~ <br />~ <br />~ <br />~ <br />~ <br />~ <br />1,3 -Dichlorobenzene <br />ug/L <br />~ <br />1,4 -Dichlorobenzene <br />ug/L <br />~ <br />~ <br />~ <br />~ <br />~ <br />Benzene <br />ug/L <br />~ <br />Chlorobenzene <br />ug/L <br />~ <br />~ <br />~ <br />~ <br />~ <br />~ <br />Chloroethane <br />ug/L <br />~ <br />~ <br />~ <br />~ <br />~ <br />~ <br />cis-1,2-Dichiroethene <br />u L <br />> <br />~ <br />~ <br />< <br />~ <br />~ <br />~ <br />< <br />Dichlorodifluoromethane <br />ug/L <br />Diisopropyl Ether <br />ug/L <br />Tetrachloroethene <br />ug/L <br />~ <br />~ <br />< <br />~ <br />~ <br />~ <br />~ <br />trans-1,2-Dichloroethene <br />ug/L <br />Trichloroethene <br />ug/L <br />~ <br />< <br />Vinyl Chloride <br />ug/L <br />~ <br />~ <br />~ <br />~ <br />~ <br />~ <br />t Denotes the sampling date. <br />~ No apparent trend. <br />>Apparent increasing trend. <br />< Apparent decreasing trend. <br />Constituents reported as non -detect were not evaluated for trends. <br />