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`~, <br />_._.. <br />(`~~ <br />1' <br />A. Suggested-Water Quality Parameters * <br />~- <br />T Dissolved Solids <br />l carbonate (HCO~ <br />~ alcium (Ca'r) <br />arbonate (CO3) ** <br />hloride (C1") <br />agnesium (Mg'2) <br />Ammonia (NH3) <br />Nitrate-Nitrite <br />.3 <br />Phosphate (PO, as P) <br />Sodium (Na') <br />Sulfate (SOS <br />Arsenic (As) <br />Cadmium (Cd) <br />Iron (Fe) <br />~~.- <br />Manganese (Mn) <br />Mercury (Hg) <br />Selenium (Se) <br />Zinc ('Ln) <br />* Dissolved species concentration only. <br />** First sampling only. <br />B. Suggested Baseline Monitorine Freguencv <br />1. Bedrock Aquifers *'* <br />a. Measure field water quality parameters monthly (pH, conductivity, and <br />temperature). Record elevation of the water level in the well at time of sampling. <br />b. Sample water for complete chemical analysis semi-annually. <br />2. Alluvial Aquifers *** <br />a. Measure field water quality parameters monthly (pH, conductivity, and <br />temperamre). Record elevation of the water level in the well at time of sampling. <br />b. Sample water for complete chemical analysis quarterly. <br />*** Aquifers monitored and monitoring locations will be dealt with on an individual basis. Consult the <br />Division early in the mine-plantiittg stage for specific requirements. <br />L36760: Page 7 of 7 <br />