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<br />CONVERSION FACTORS AND ABBREVIATED <br />WATER-QUALITY UNITS <br /> <br />Multiply <br /> <br />acre <br />acre-foot (acre-ft) <br />cubic foot per second (ft3/s) <br />foot (ft) <br />foot per mile (ft/mi) <br />inch (in.) <br />inch per year (in/yr) <br />micrometer (IJm) <br />mile (mi) <br />millimeter (mm) <br />square mile (mi2) <br /> <br />By <br /> <br />0.4047 <br />1,233 <br />0.028317 <br />0.3048 <br />0.3048 <br />25.4 <br />25.4 <br />0.00003937 <br />1.609 <br />0.03937 <br />2.59 <br /> <br />. <br /> <br />To obtain <br /> <br />hectare <br />cubic meter <br />cubic meter per second <br />meter <br />meter per kilometer <br />millimeter <br />millimeter per annum <br />inch <br />kilometer <br />inch <br />square kilometer <br /> <br />Temperature in degree Fahrenheit (OF) can be converted to degree Celsius <br />(oC) as follows: <br /> <br />OC = 5/9(OF-32). <br /> <br />Temperature in degree Celsius (OC) can be converted to degree <br />Fahrenheit (OF) as follows: <br /> <br />OF = 9/5(OC)+32. <br /> <br />Abbreviated water-quality units used in this report: <br /> <br />microsiemens per centimeter at 25 degrees Celsius (IJS/cm) <br />microgram per liter (lJg/L) <br />milligram per liter (mg/L) <br />microgram per gram (lJg/g) <br />microgram per kilogram (lJg/Kg) <br /> <br />Dry-weight concentrations in biota samples may be converted to wet-weight <br />concentrations as follows: <br /> <br />Wet-weight concentration = [l-(percent moisture/lOO)] Dry-weight concentration. <br /> <br />vi <br />