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<br />-L~~_ <br />4J~U <br /> <br />TABLES <br /> <br />Page <br /> <br />Table <br /> <br />I. Statistical summary of water-quality data for station <br />07097000, Arkansas River at Portland, 1977 through 1985---- 15 <br />2. Relations between specific conductance and major ions for <br />surface-water stations along the Arkansas River between <br />Canon City and Pueblo-------------------------------------- 21 <br />3. Summary of selected trace-element data for Pueblo Reservoir, <br />summer 1985------------------------------------------------ 39 <br />4. Top 25 hazardous materials transported by rail in the <br />United States during 1984---------------------------------- 53 <br /> <br />CONVERSION FACTORS <br /> <br />Inch-pound units used in this report may be converted to metric units <br />(SI) by using the following conversion factors: <br /> <br />Multiply inch-pound units <br />acre-foot (acre-ft) <br />acre-foot per day <br />(acre-ft/d) <br />cubic foot per second <br />(ft'/s) <br />foot (ft) <br />foot per second (ft/s) <br />inch (in.) <br />mile (mi) <br />square mile (mi2) <br /> <br />By <br />1,233 <br />1,233 <br /> <br />To obtain metric units <br />cubic meter <br />cubic meter per day <br /> <br />0.02832 <br /> <br />cubic meter per second <br /> <br />0.3048 <br />0.3048 <br />25.40 <br />1.609 <br />2.590 <br /> <br />meter <br />meter per second <br />millimeter <br />kilometer <br />square kilometer <br /> <br />Degrees Celsius (OC) may be converted to degrees Fahrenheit (OF) by using <br />the following equation: <br /> <br />OF = 1.8 oC + 32 <br /> <br />The following terms and abbreviations also are used in this report: <br /> <br />cells per milliliter (cells/mL) <br />colonies per 100 milliliters (col/lOO mL) <br />liter (L) <br />milliliter (mL) <br />milligram per liter (mg/L) <br />microsiemens per centimeter at 25 degrees Celsius (~S/cm) <br />microgram per liter (~g/L) <br />micrometer (~m) <br />nephelometric turbidity units (NTU) <br />organisms per cubic meter (organisms/m3) <br />picocuries per liter (pCi/L) <br /> <br />Sea level: In this report "sea level" refers to the National Geodetic <br />Vertical Datum of 1929 (NGVD of 1929)--a geodetic datum derived from a general <br />adjustment of the first-order level nets of both the United States and Canada, <br />formerly called Sea Level Datum of 1929. <br /> <br />v <br />