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,eta j or <br />Ions <br /> <br />-1~- <br />September 10, 14?2 <br />TA3LE G. (~7d ge 2) <br />Cherlcal Pararr~ter <br />[ficati <br />Sodium Adsorption Ratio~(SAR) an indicator of the irrigation potential o_' :.ate r; <br /> an indicator of the dispersing character of the <br /> clay fractzcn o_` roc!: materials; an indicator of <br /> the infiltration capacity of rocY. nateria s . . <br />Am'!onia (NH3) a major component of ar-aonium-nitrate e:rplcsives <br /> commonly used at sur.`a ce ;nines in the .:=stern U.S. <br />Bicarbonate (HC03) a predominant anion in „une drainage~at t!;e Edna <br /> ;fine, concentration increased abo~:e ba c.kgro^nd levels <br /> (Skogerboe, et al., 1979); needed to evaluate ion <br /> balances. <br />+2 <br />Calcium (Ca ) a pre domi na r.t cation in mine drainage at t.`.e Edna <br /> 'Mine, concentration increased above bacY.grcund levels <br /> (Skogezboe, et a1., i979); concentrations may <br /> increase in waters near surface mines in the western <br /> U. s, (Everett, 1979); needed to evaluate ion <br /> balances;~needed to calculate SAP.. <br />Carbonate (C03) an indicator of proper mcnitor~well como_'etion and <br /> reliability of ground :rater quality data. <br />Chloride (C1 ) a major component of cheru cal dust suppressants <br /> romnonly used at coal nines in the western J.S. <br />+~ <br />rfagnesium (?fg <br />) ~ a predominant cation in nine drainage at the Edna <br /> ~%fine, concentration increased abo~.e background levels <br /> (Skogerboe, et a1., 1979); concentrations mau <br /> increase in era to rs near sucfa ce mines in the %~?stern <br /> U.S. (Everett, 1977); needed to evaluete ion <br /> balances; needed to caIcula to SAR. <br />"itrate-Nitrite a major component of ammonium-nitrate explosives <br /> commonly used at surface nines in th_ ~:este rn O.S., <br /> an indicator of spoils material suitabiiit~ as a <br /> plant groc~;th medium; a common constituent o= <br /> fertilizers spread on reclaired areas. <br />3 <br />Phosphate (POa <br />as P) a cnnrrca7 cons ti to^nt o. .`e rtilizer, spread on <br /> reclaimed areas. <br />Sodium (Na ) a pre dominent cation in ru r.e drainage at the Edr.a <br /> :dine, concentration increased above background levels <br /> (ldc:dho rte r, et al., 1975); concentrations ,-av <br /> increase in :.aters pea: surace nines in the :~~estern <br /> U.S. (E:•e re tt, 1979); roe-led to evaluate ion <br /> balances; needed to calculate SA R. <br />