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Warehouse, Station #6 <br /> Spring conductivity and fall sulfate were at minimum levels, <br /> whereas spring SAR was at a maximum level . Sulfate levels have <br /> decreased in 1989-90 over the preceding three year period, and were <br /> considerably lower than the norm. Fall iron levels were higher <br /> than previously recorded for the five year period, although well <br /> below the maximum for this well . <br /> Tunnel Refuse Pile, Station #11 <br /> There were no dramatic fluctuations in levels of those parameters <br /> tested, although fall NA was at a maximum level. <br /> Washplant , Station #9 <br /> Spring SAR and fall TDS, BICR and ALK levels were at maximum. <br /> Sulfate was low, and the fall reading set a minimum. <br /> Sutey Underdrain <br /> Flows from the Sutey underdrain have been routed to to the sediment <br /> ponds adjacent the Sutey pile, as permitted by the Division in <br /> Technical Revision 16. <br /> Flows are generally minimal from the underdrain, and were in 1990 . <br /> Spring MAGN and fall TEMP, ALK, BICR, TDS, CHLR were at maximum <br /> levels , although these do not represent dramatic fluctuations. <br /> 5 <br />