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<br />, <br /> <br />l Table 5. Precipitation volume, specific conductance. concentrations of dissolved ions, and percent charge balance tor each sampling interval at Marvine Ranch, <br /> 1981-94-Conlinued <br />" <br />~ [Precipitation volume in incbes; specific conductance in microsiemens per centimeter at 25 degrees Celsius; dissolved ions in microequivalents per liter; .., DO data] <br />'2: <br />i <br />0' Beginning Ending Preclp- Specific Hydro- Calcium Magna- SodIum PoIos- Ammo- ehlorlde Nitrate SultalB Sum Sum Percent <br />" conduct- gen slum slum nlum charge <br />0 date date lIatlon (Ca'+) (Na1 (en (N031 (SOl-) cations 8nlons <br />:r ance (H1' (Mg'+) (K+) (NH.) balance <br />II <br />3 09/11/94 10/22/94 2.72 7.2 9.5 7.0 1.6 1.4 4.1 7.2 2.4 11.9 12.3 30.8 26.6 7.3 <br />!!: <br />< 10/22194 11/30/94 1.53 4.5 1.5 22.5 2.5 1.9 0.7 4.4 2.2 13.3 9.1 33.5 24.6 15.3 Q <br />~ 11130/94 12/30/94 1.26 8.4 15.5 4.0 0.8 1.5 0.6 3.6 1.7 11.3 6.8 26.0 19.8 13.5 I.:) <br />Ie c.:t <br />CD t:,) <br />n I Values of pH can be calculated from hydrogen concentration by multiplying the log oftbe product of hydrogen concentration times I x lO-fiby_1. c... <br />li <br />"'- ~... <br />U> <br />ii <br />.. <br />5' Table 6. Summary statistics of specific conductance and concentrations of dissolved ions at Mal'line Ranch, 1981-94 <br />z <br />0 <br />:1 <br />:r [Specific conductance: in microsiemens per centimeter 81 2S degrec:s Celsiu~ dissolved iOn:!! in microcquivataJ.t:s per liler] <br />:IE <br />CD <br />.. <br />Ii Specific Hydrogen Calcium Magnesium Sodium Potassium Ammonium ehlorlde Nitrate Sullata <br />3 conductance (tn (Ca'1 (Mg2+) (Na1 (K+) (NH.) (et) (N031 (SOl1 <br />fl <br />0' Number of 662 659 572 572 570 555 326 603 586 603 <br />;; samples <br />"'- <br />0 Mean 8.6 8.6 22.4 4.8 5.2 2.4 8.6 4.1 14.8 16.0 <br />- <br />.. Median 7.0 6.3 10.6 2.5 2.6 1.3 7.1 2.8 11.8 12.3 <br />f <br />Slandard 6.8 8.2 42.5 9.2 10.2 8.4 8.2 5.1 12.5 15.5 <br />... <br /> deviation <br /> Minimum 1.4 0.1 0.2 0.3 0.2 0.1 0.1 0.1 0.2 1.0 <br /> Maximum 77.3 55.0 548.9 123.4 165.3 153.4 107.1 58.7 130.8 188.7 <br />