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Table 4.8-12. List of surface water quality parameters to be monitored. <br />• <br />SURFACE WATER <br />List A (Weekly) <br />TOTAL SUSPENDED SOLIDS (only if suspect) <br />FLOW <br />OIL AND GREASE (visual or grab) <br />pH <br />SETTLEABLE SOLIDS (if suspect TSS) <br />List A-1 (1) (Monthly) <br />IRON, TOTAL <br />FLOW <br />TOTAL SUSPENDED SOLIDS <br />OIL AND GREASE (visual or grab) <br />SETTLEABLE SOLIDS <br />pH <br />CONDUCTIVITY <br />List A-2 (Quarterly) <br />IRON, TOTAL <br />SETTLEABLE SOLIDS <br />FLOW <br />pH <br />WET, Acute (2) <br />List A-3 (Semi-Annual) <br />List A-4 (Post-Mining, Weekly) <br />FLOW <br />OIL AND GREASE (visual or grab) <br />pH <br />List A-5 (Post-Mining, Monthly) <br />FLOW <br />SETTLEABLE SOLIDS <br />OIL AND GREASE <br />pH <br />TOTAL SUSPENDED SOLIDS <br />CONDUCTIVITY <br />OIL AND GREASE (visual or grab) <br />TOTAL DISSOLVED SOLIDS <br />ALUMINUM, Total <br />ARSENIC, Total <br />BARIUM, Total <br />BICARBONATE <br />BORON, Dissolved <br />CADMIUM, Total <br />CALCIUM, Dissolved <br />CARBONATE (3) <br />COPPER, Total <br />WET, Acute (2) <br />• <br />IRON, Dissolved, Total <br />LEAD, Total <br />pH <br />MAGNESIUM, Dissolved <br />MANGANESE, Dissolved, Total <br />MOLYBDENUM, Total <br />NICKEL, Dissolved <br />CHROMIUM, Total <br />SELENIUM, Total <br />ZINC, Total <br />SODIUM, Dissolved <br />NITRATE <br />SULFATE <br />FLUORIDE <br />CONDUCTIVITY <br />TEMPERATURE <br />TOTAL DISSOLVED SOLIDS <br />SAR <br />FLOW <br />(1) Springs with sufficient flows will be sampled for surface water parameters List A-3 once each year <br />in May/June. <br />(2) WET sampling (as required per CDPS Permit No. CO-0032115) for outfalls 001, 002, 005, 009, <br />011, 013, 015, 016, 017, 019, 020, 021,and 023. <br />(3) If pH of the sample exceeds 8.3. <br />Note: See Table 4.8-11 for monitoring schedule <br />??\fi"afG6F? t E?-?-?---- <br />rP- -12110107 <br />4-241 <br />