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<br />TABLE ES-2 <br /> <br />..... <br />o <br />.-4 <br />M <br />o <br />o <br /> <br />(:I <br />.;a <br /> <br />SELECTION OF FINAL PROCESS CONFIGURATION <br /> <br />OPT I ON <br /> <br />ADVANTAGES <br /> <br />DISADVANTAGES <br /> <br />III - 7,500 GPM <br />(75,500 tons/yr <br />salT removed) <br /> <br />. LARGEST BIG SANDY USE <br />. FLEXIBILITY OF SIDESTREAM SOFTENING <br /> <br /> III - 5,000 GPM . SECOND LARGEST BIG SANDY USE <br /> (50,250 tons/yr . FLEXIBILITY OF SIDESTREAM SOFTENING <br />'"" salT removed) SECOND LOWEST SALT REMOVAL COST <br />(/) . <br />I <br />U1 . REASONABLE CIRC. WATER QUALITY <br /> III - 2,500 GPM . FLEXIBILITY OF SIDESTREAM SOFTENING <br /> (25,125 tons/yr . NORMAL CIRC. WATER QUALITY <br /> sa I t removed) <br /> IV - 2,500 GPM . LOWEST SALT REMOVAL COST <br /> (25,125 tons/yr . NORMAL CIRC. WATER QUALITY <br /> salT removed) . LEAST COMPLEX EQUIPMENT <br /> REASONS FOR SELECTING OPTION I I I - 5,000 GPM <br /> <br />. HIGH TDS IN CIRCULATING WATER <br />. CT BLOWDOWN CHEMISTRY' EXCEEDS FGD SYSTEM LIMITS <br />. SECOND HIGHEST COST FOR SALT REMOVAL <br />. HIGHEST POTENTIAL FOR COOLING SYSTEM SCALING <br />. LEARNING PERIOD FOR SOFTENER OPERATION <br /> <br />. CT BLOWOOWN CHEM. SLIGHTLY EXCEEDS FGD LIMITS <br />. LEARNING PERIOD FOR SOFTENER OPERATION <br /> <br />. LEAST BIG SANDY USE <br />. HIGHEST SALT REMOVAL COST <br />. LEARNING PERIOD FOR SOFTENER OPERATION <br /> <br />. LEAST BIG SANDY USE <br />. MORE SENSITIVE TO VARIATIONS IN BIG SANDY QUALITY <br /> <br />.. REASONABLE TECHNICAL RISK <br />. SALT REMOVAL RATE _ SECOND HIGHEST <br />. COST FOR SALT REMOVAL - SECOND LOWEST <br />. USE OF SOFTENING TO HANDLE VARIATIONS IN BIG SANDY WATER QUALITY <br />. BIG SANDY COLLECTION AND DISTRIBUTION COST EFFECTIVENESS - SECOND <br />LOWEST <br />