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w w w w w� w w w w w w ■w w w w w w � w <br /> PAGE 2 <br /> TABLE 19 (CONTINUED) <br /> SUMMARY OF WATER QUALITY DATA <br /> NO. 5 MINE DISCHARGE <br /> PARAMETER MEAN STD. GEV. MAX. MIN. UNITS. NO. PERIOD <br /> MINOR <br /> FLUORIDE 2.233 0. 109 2.410 2.070 MG/L 11 9/81-12/83 <br /> GASES <br /> SULPHIDE TOTAL <0.010 0.000 <0.010 <0.010 MG/L 1 10/89 <br /> PRIMARV <br /> ARSENIC DISSOLVED <2.000 0.000 <2.000 <2.000 UG/L 1 8/83 <br /> ARSENIC TOTAL <2.000 0.000 <2.000 <2.000 UG/L 2 0/83- 9/83 <br /> ARSENIC TOTAL RECO <2. 111 0.781 4.000 <1 .000 UG/L 9 9/81-12/63 <br /> BARIUM DISSOLVED 200.000 0.000 200.000 200.000 UG/L 1 8/83 <br /> BARIUM TOTAL <200.000 0.000 200.000 <200.000 UG/L 2 8/83- 9/63 <br /> BARIUM TOTAL RECO <288.888 126.929 500.000 <200.000 UG/L 9 9/81-12/83 <br /> CADMIUM DISSOLVED 5.000 0.000 5.000 5.000 UG/L 1 8/83 <br /> CADMIUM TOTAL <2.561 2.432 17.000 1 .000 UG/L 43 1/83- 3/85 <br /> CADMIUM TOTAL RECO <4.857 0.377 <5.000 <4.000 UG/L 7 9/81-12/82 <br /> LEAD DISSOLVED -20.000 0.000 <20.000 <20.000 UG/L 1 8/83 <br /> LEAD TOTAL <5.363 10.679 50.000 2.000 UG/L 22 1/83- 3/85 <br /> LEAD TOTAL RECO <33.428 29.680 <70.000 <2.000 UG/L 7 9/81-12/82 <br /> MERCURY DISSOLVED <1 .000 0.000 <1 .000 <1 .000 UG/L 1 8/83 <br /> MERCURY TOTAL <0.525 0. 111 <1 .000 <0.500 UG/L 20 1/83- 3/85 <br /> MERCURY TOTAL RECO <0.777 0.263 <1 .000 <0.500 UG/L 9 9/01-12183 <br /> SELENIUM DISSOLVED <2.000 0.000 <2.000 <2.000 UG/L 1 8/83 <br /> SELENIUM TOTAL <2.000 0.000 <2.000 <2.000 UG/L 2 8/83- 9/83 <br /> SELENIUM TOTAL RECO <1 .666 0.500 2.000 <1 .000 UG/L 9 9/81-12/63 <br /> SILVER TOTAL <0.647 1 .918 9.000 <0.200 UG/L 21 1/83- 3/85 <br /> SILVER TOTAL RECO <0.200 0.000 <0.200 <0.200 UG/L 2 9/82-12/82 <br /> U = MICRO <br />