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TABLE 2-4 <br /> CONSTITUENTS EXCEEDING CONCENTRATION LIMITS <br /> FIRST QUARTER 2006 <br /> FORWARD UNIT <br /> Well ID Constituent Sample Result Concentration Concentration <br /> Limit Basis Limit <br /> MW-01A Bicarbonate 610 UTL 390 <br /> Calcium 150 CLGB 110 <br /> Chloride 250 CLGB 97 <br /> Magnesium 77 CLGB 54 <br /> Sodium 96 CLGB 63 <br /> Total Dissolved Solids 1100 CLGB 800 <br /> mrum,Hexavalent 0,0036 PQ 0.0020 <br /> MW-03A Bicarbonate 460 UTL 340 <br /> Chromium,Hexavalent 0.0099 PQL 0.0020 <br /> Sodium 66 CLGB 57 <br /> Total Dissolved Solids 650 CLGB 600 <br /> MW-10 Arsenic 0.0029 PQL 0.0020 <br /> Bicarbonate 310 UTL 220 <br /> Chromium,Hexavalent 0.0037 PQL 0.0020 <br /> MW-14 Bicarbonate 870 UTL 785 <br /> Tetrachloroethene 1.2 PQL 0.50 <br /> Trichloroethene 0.55 PQL 0.50 <br /> MW-16 Barium 0.51 BL 0.34 <br /> Bicarbonate 710 BL 508 <br /> K1718 Chromiwn,flexavalent 0.0079 PQL 6.06 <br /> MW-19 Bicarbonate 580 BL 508 <br /> Chloride 220 UTL 140 <br /> Magnesium 89 UTL 66 <br /> Sodium 190 UTL 54 <br /> Strontium 2.2 BL 1.6 <br /> Sulfate 540 UTL 67 <br /> Total Dissolved Solids 1600 BL 941 <br /> Acetone 38 BL 10 <br /> Notes: <br /> CLGB=Concentration Limit Greater Than Background. <br /> CLGB=Taken from Table 5-12 of Revised Post-Closure Maintenance Plan,Forward Landfill,by Kleinfelder,dated 11/2/94. <br /> UTL=Upper Tolerance Limit. <br /> UTL=Taken from Table 5-14 of Revised Post-Closure Maintenance Plan,Forward Landfill,by Kleinfelder,dated 11/2/94. <br /> PQL=Practical Quantitation Limits. <br /> BL=Background Limit derived from historical data at MW-20 and MW-23R. (Mean+(2.375 x Standard Deviation)). <br /> FLF 1Q06 Tabl,-424 LIMITS <br />