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• Average Tons Cum. <br /> Flow GPM Temo• ° Bi rb Im urines Mined Tons <br /> <br />' Jan ---- --- --- --- --- --- <br />Feb 299 158 99 1 1,013 1,013 <br />~' Mar 413 161 98 1.7 1,816 2,829 <br />Apr 319 155 98 1.6 1,896 4,725 <br />May 414 158 98 1.8 1,751 6,476 <br />Jun 428 160 98 1.6 1,706 8,182 <br />Jul 450 171 98 1.6 3,021 11,203 <br />Aug --- --- --- --- --- 11,203 <br />Sept 420 157 98 1.7 323 11,526 <br />Oct 428 170 98 1.4 2,692 14,218 <br />Nov 474 171 99 1 2,609 16,827 <br />Dec 496 165 99 1 2,493 19,320 <br />Key to Above Headings <br />• Average Flow GPM -recovery flow rate during process operations <br />Temp. -recovery temperature F° during process operations <br />Bicarb -percent sodium bicarbonate in product <br />Impurities -sodium carbonate and sodium choride in product <br />Tons Mined -total monthly bicarb production <br />Cum. Tons -cumulative tons bicarb for 1992 <br />b. As illustrated in operation results (Section 4.3.1a-, production and <br />processing was performed for over nine months. In comparison to <br />1991, flow increased, process temperature decreased, percent bicarb <br />increased, impurities remained low, and production for July. was <br />almost as high as total production for all of 1991 (3,800 tonsl. See <br />Figures 4-3 and 4-4 for summary of 1992 data for specific gravity <br />and bicarb INAHC0,) produced. <br /> <br />20 <br />