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TABLE 2 HYDROLOGIC MONITORING PARAMETER LIST • 1~) 1~) ALLUVIAL SPOIL SURFACE SPOIL PARAMETER UNITS WELLS WELLS WELLS WATER SPRINGS WATER LEVEL feet S M O - _ FLOW cfs - - - M M&O(2) TEMP., field deg. C S M O M M&O pH, field - S M O M M80 EC, field umhoslcm at 25 C S M O M M8Q TDS mgll S O S O S TSS mgll - - - O S SAR - - - - O - CALCIUM, dis. mgll S O S O S MAGNESIUM, dis. mgll S O S O S SODIUM, dis mgll S O S O S BICARBONATE mgll (HC03) S O S O S CARBONATE mgll (C03) S O S O S SULPHATE mgll S O S O S CADMIUM ugll - - - Q S CADMIUM, dis. ugll S O S - - LEAD, dis. ugll S O S - - MERCURY ugll - - - O S MERCURY, dis. ugll S O S - - • SELENIUM ug/I O S SELENIUM, dis. ugll S O S - - SILVER ugll - - - O S IRON ugll - - - O S IRON, dis. ugll S O S - - MANGANESE ugll - - - O S MANGANESE, dis. ugll S O S - - MOLYBDENUM ugll - - - O S MOLYBDENUM, dis. ugll S O S - - ZINC ugll - - - O S NITRATE 8 mgll (N) S O S O S NITRITE AMMONIA, free mgll (N) - O S O S PHOSPHATE, ortho mgll S O S O S S =Semiannually (either in April or May, and then in September or October) O =Quarterly M =Monthly Note: (1) All trace metals are Total Recoverable • (2) At time of annual survey, flow and field parameters are measured. If flow is greater that 35 gpm, site is monitored per spoil spring plan. If less than 35 gpm, no further monitoring. E: EXC ELW HR\M3TB2.XLS