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Environmental Protection Plan, Schwartzwalder Mine 9-44 <br /> <br /> <br /> <br /> pH <br /> <br /> 8.5 <br /> <br /> 8.0 <br /> <br />x <br /> <br />a <br />7.5 <br /> 7.0 <br /> <br /> 6.5 <br /> <br /> 6.0 <br /> O° <br />Qe? O° <br />P°?' O? <br />Qe? O? <br />PJ? O? <br />Qe? O? <br />P°o 00 <br />key O? <br />P°A O? <br />0 Ob <br />P°o Oh <br />lac 00 <br />?J\ 00 <br />)ac 06 <br />°\ 01 <br />?a? O? <br />?° 00 <br />Sao 00 <br />?o? O°' <br />Sao <br /> TDS <br /> <br />3,900 <br />3,700 <br />3,500 <br />• ' <br />3,300 <br />E • <br />' i • <br />3,100 • <br />2,900 <br />2,700 <br />' <br />2,500 <br />o° <br />Few o° d` o` oti oti o? o`, <br />0,4 0, Few P°?' Feo P,?' o'` 1°` o`' o° A6 0? o? o? p° 09 <br />Qeo PJ? lac ?J\ Sao ?J\ Sao ?J lac ?o\ lac <br />ORP <br />400 <br />300 <br />200 <br />100 <br />0 <br />Few P°? Qe? PJo Fev PJo Fev 01, Few P°o lac ?J\ lac ?J\ lac ?J lac ?J` lac <br />Figure 9-7. Time Concentration Plots for Solution Parameters (pH, ORP, TDS) in Mine <br />Water <br /> <br />• 2 <br /> <br /> • <br /> <br />S ? <br />41090.090807 Whetstone Associates