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<br />' Most of the constituents detected in the leachate are less than the respective <br /> water quality standard. Of the constituents analyzed, only five constituents <br />' exceeded the applicable water quality standard. Selenium (i.2), thallium (7.0), <br /> and gross beta (1.2) exceeded the primary human health groundwater standards. <br /> Selenium (3.1) also exceeded the agricultural water quality standard (0.02 <br /> milligrams per liter [mg/L]) which is more stringent than the human health <br /> standard (0.05 mg/L). Total dissolved solids (TDS; 5.1) and pH (1.5) exceeded <br /> the secondary human health groundwater quality standards. The source of the <br /> high TDS concentration is primarily due to the high concentration of constituents <br /> that do not exceed any of the water quality standards, such as calcium, sodium, <br /> potassium, strontium, barium, sulfate, chloride, and fluoride. The number in <br /> parentheses after each constituent name represents the ratio of the leachate <br /> constituent concentration to the water quality standard. These ratios indicate that <br /> these constituents, excluding selenium and thallium, are generally less than 2 <br />' times the applicable water quality standard. <br />I <br /> <br /> <br /> <br /> <br />1 <br /> <br />1 <br /> <br />1 <br />o ~ <br />~~ <br /> <br />