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Table 1 Monitoring required by DMG after plug closure <br />(once conditions behind plug stabilize and tracer is injected) (continued) <br />ID Measurement Analytical Description Frequency Period Comments <br /> suite' ' <br />VP-1C charcoal packet tracer vadose zone piezometer charcoal weekly month 1 after tracer will be lowered to bottom of <br /> packets, cumulative tracer injection piezometer if water detected in <br /> concentration two/month month 2-3 piezometers, <br /> monthly month 4-6 'monthly sampling must be <br /> quarterly' month 7-24 continued if tracer detected in <br /> infiltration trench <br />VP-2C charcoal packet tracer vadose zone piezometer charcoal weekly month 1 after tracer will be lowered to bottom of <br /> packets, cumulative tracer injection piezometer if water detected in <br /> concentration two/month month 2-3 piezometers, <br /> monthly month 4-6 'monthly sampling must be <br /> quarterly' month 7-24 continued if tracer detected in <br /> infiltration trench <br />DT-1 C charcoal packet tracer seeps at 9360 dumps toe charcoal weekly month 1 after tracer will be placed directly at seep <br /> packets, cumulative tracer injection discharge point <br /> concentration two/month month 2-3 <br />DT-2C charcoal packet tracer seeps at 9360 dumps toe charcoal weekly month 1 after tracer will be placed directly at seep <br /> packets, cumulative tracer injection discharge point <br /> concentration two/month month 2-3 <br />DT-1 W water sample tracer seep water samples, instantaneous weekly month 1 after tracer will be collected directly from <br /> tracer concentration injection seep discharge point, <br /> two/month month 2-3 'monthly sampling must be <br /> monthly month 4-6 continued if tracer detected in <br /> uarterl month 7-24 infiltration trench <br />DT-2W water sample tracer seep water samples, instantaneous weekly month 1 after tracer will be collected directly from <br /> tracer concentration injection seep discharge point, <br /> two/month month 2-3 'monthly sampling must be <br /> monthly month 4-6 continued if tracer detected in <br /> uarterl month 7-24 infiltration trench <br />Standard suite includes: <br />• total and dissolved analysis for arsenic, cadmium, copper, iron, lead, manganese, mercury, zinc; <br />• lab pH, conductivity, total suspended solids, total dissolved solids, sulfate; and <br />• field pH, contl uctivi[y and temperature. <br />~ Tracer suite includes analysis of fluorescence in dye with a synchroscan-spectrofluorphotometer. <br />• <br />• <br />