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Inorganic Concentration Limits vs. Second Quarter 2009 Sampling Event Results <br /> Forward Landfill <br /> MW-01A MW-02A MW-03A MW-10 <br /> Parameter May-09 CLGB I UTL BLI PQL May-09 CLGB UTL BL PQL May-091 CLGB UTL BLI PQL May-09 CLGB UTLIBLI PQL <br /> Arsenic 0.0023 0.01 0.0024 0.0020 0.0026 0.0020 0.0035 0.0020 <br /> Barium 0.13 0.31 0.3 0.85 0.22 0.24 0.2 0.22 <br /> Bicarbonate 670 390 750 880 500 340 300 220 <br /> V <br /> Chromium,Hexavalent 0.0076 0.0020 <2.0 0.0020 0.0074 0.0020 0.0031 0.0020 <br /> Magnesium 68 54 63 98 51 44 28 42 <br /> Nitrate 2.9 76 4.5 76 10 76 3.6 32 <br /> SrR <br /> r � <br /> .. {.. y, u k" ' ,^,s •»; �3 '�Y>xa"sP ,n:Y <br /> `A� <br /> IN <br /> Sulfate 82 84 33 � 45 »� 49 62 35 48 ..r.. <br /> Total Dissolved Solids 830 800 770 1300 720 600 450 575 <br /> All concentrations are provided in mg/L. <br /> CLGB-Concentration Limit Greater Than Background(Impact Constituents only). See Table 5-12 of Revised Post-Closure Maintenance Plan(11/2/94). <br /> UTL-Upper Tolerance Limit. See Table 5-15 of Revised Post-Closure Maintenance Plan(11/2/94). <br /> BL-Background Limit. Determined from historical data at MW-20 and MW-23R. (Mean+[2.375 x Standard Deviation]) <br /> PQL-Practical Quantitation Limit from current laboratory report. <br /> 647-May 2009 concentration exceeds the CLGB,UTL,BL,or PQL. <br /> 0 Pag4 ERST & A IATES, INC <br />