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Table 1 A. Chromatographic Conditions and Detection Limits In Reagent Water (Method A) <br /> Retention MDL <br /> Analyte Peak # Time (min) (mg/L) <br /> Fluoride 1 1.2 0.01 <br /> Chloride 2 1.7 0.02 <br /> Nitrite-N 3 2.0 0.004 <br /> Bromide 4 2.9 0.01 <br /> Nitrate-N 5 3.2 0.002 <br /> O-Phosphate-P 6 5.4 0.003 <br /> Sulfate 7 6.9 0.02 <br /> Standard Conditions: <br /> Columns: as specified in 6.2.2.1 <br /> Detector: as specified in 6.2.4 Pump Rate: 2.0 mUmin. <br /> Eluent: as specified in 7.3.1 Sample Loop:50 µL <br /> MDL calculated from data system using a y-axis selection of 1000 ns and with a stripchart recorder with an <br /> attenuator setting of 1 uMHO full scale. <br /> See figure 1 <br /> Table 1 B. Chromatographic Conditions and Detection Limits In Reagent Water (Method B) <br /> Retention MDL <br /> Analyte Peak# Time (min) (mg/L) <br /> Chlorite 1 2.8 0.01 <br /> Bromate 2 3.2 0.02 <br /> Chlorate 4 7.1 0.003 <br /> Standard Conditions: <br /> Column: as specified in 6.2.2.2 <br /> Detector: as specified in 6.2.4 Pump Rate: 1.0 mUmin. <br /> Eluent: as specified in 7.3 Sample Loop:50 µL <br /> Attentuation - 1 <br /> y- axis -500 ns <br /> 'See figure 2 <br /> 300.0-6 August 1991 <br />