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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />TABLE IV-8 <br /> <br />SUMMARY OF WATER QUALITY DATA <br />FOR THE COLORADO RIVER IN THE VICINITY OF RIFLE <br /> <br /> Composite of Recorded Values at EPA Water <br /> Quality Stations on Colorado River at <br />Mandatory New Castle (08045) and Colorado <br />Water Quality Mandatop: River near Cameo (08077) <br />Parameter Limit.J Low High Mean <br />Turbi dity 1 Tu 1.6 1000. 53.18 <br />Arsenic 0.05 mg/l 0.0 0.02 0.000291 <br />Barium 1 mg/l tH NI NI <br />Cadmium 0,01 mg/l 0.0 0,001 0,000033 <br />Chromium 0.05 mg/l 0.0 0.0 0.0 <br />Fl uori de 2.4 mg/l 0.1 0.65 0.323 <br />Lead 0.05 mg/l 0.0 0,027 0.00234 <br />Mercury 0.002 mg/l NI NI NI <br />Nitrite and <br />Nitrate as <br />Nitrogen 10 mg/l 0.0 5.06 0.369 <br />Selenium 0,01 mg/l 0,0 0.019 0.001512 <br />Sil ver 0.05 Mg/l 0.0 0.0 0.0 <br />Gross Alpha 15 pCi/l 0.80 40.00 13.747 <br />Gross Beta 50 pCi/l 98,00 98.00 98.00 <br />Radium 226 5 pCi/l 0.09 0.38 0.1846 <br />Radium 228 5 pCi/l NI NI NI <br />Endri n 0.0002 mg/l 0.0 0.0 0.0 <br />Lindane 0.004 mg/l 0.0 0.0 0.0 <br />Methoxych lor 0.1 mg/l 0.0 0.0 0.0 <br />Toxaphene 0.005 mg/l 0.0 0.0 0.0 <br />2,4-D 0.1 mg/l 0.0 0.0 0.0 <br />2,4,5-TP 0.01 mg/l 0.0 0,0 0.0 <br /> <br />II Colorado Department of Health limits for public water supplies. <br />NI = No information available <br /> <br />IV-14 <br />