Figure 6. Concentration profiles of dissolved and total-recoverable copper, total-recoverable lead, and dissolved and total-recoverable zinc in water samples collected in the Miller Creek watershed, Montana, August 30, 2000. Aquatic-life standards from Montana Department of Environmental Quality (1999) are applicable to total-recoverable concentrations. Standards have been adjusted for a hardness of 100 mg/L CaCO3. |
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