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<br />Table 2. Analytical methods, reporting units, and minimum reporting levels for chemical constituents and physical properties <br />analyzed in water samples collected in and near the Greater Aneth Oil Field, San Juan County, Utah, 1989-94 <br /> <br />w <br />CJ1 <br />-1 <br />o <br /> <br />[Method code.~ and analytical methods from Fishman and Friedman (1989) for Inorganic constituents and Wershaw and others (1987) fOf tolal organic <br />carbon; TWRI. Techniques of Water-Resources Investigations; N.A., not applicable; IlS/cm. microsiemens per centimeter;11 25 degrtts Celsius; mglL. <br />milligrams per liter; glml. grams per milliliter; J.1g1L. micrograms per liter: permil. per Ihous<lnd] <br /> <br /> TWRI Minimum <br />Chemical constituent/ method Reporting reporting <br />physical property code unit level <br />pH (lab) 1258785 units NA <br />Specific conductance (lab) 1278185 ~S/cm 1.0 <br />Total alkalinity as caeo) (lab) 1203085 mg/L 1.0 <br />Density (lab) 1]3]285 g/m] .990 <br />Calcium 1115285 mg/L .] <br />Chloride 1205785 mg/L .1 <br />Magnesium I] 44785 mg/L .] <br />Potassium 1163085 mg/L .] <br />Sodium 1173585 mg/L .1 <br />Sulra]e 1205785 mglL .] <br />Barium 1 ] 08485 ~gIL ]00 <br />Boron I] 11486 ~gIL 10 <br />Bromide 1212985 mgIL .01 <br />Fluoride 1232778 mg/L .1 <br />Iodide 1237] 85 mg/L .001 <br />Iron 1138185 ~g/L 10 <br />Lithium I] 42585 ~g/L 10 <br />Manganese 1145485 ~g/L 10 <br />Silica 1270085 mg/L .1 <br />Strontium 1180085 ~g/L 10 <br />Strontium (isotope dilution) (I) ~g/L 10 <br />Vanadium 1288085 ~g/L 1.0 <br />Del deuterium (2] permil NA <br />Del oxygen-18 (3) permil NA <br />Del strontium-87 (I) permil NA <br />De] sulrur-34 (4) permil NA <br />Total organic carbon 0310083 mgIL .] <br />Solids. residue on evaporation at 1800C 1175085 mg/L 1.0 <br /> <br />IAnalYlical method described in Peterman (1990). <br />2Analytical method described in Kendall and Coplen (1985). <br />JAnlllytica] method described in Epstem and Mayeda (1953). <br />4Exltaction and analytical method described in Coleman and Moore (1978); Tabatabai (1992); and R.W. Carmody (U.S. Geological Survey. Reslon. <br />Virginia. written commun.. 1995). <br /> <br />31 <br />