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3.0 GROUNDWATER <br /> The SIN groundwater monitoring program includes 14 monitoring wells. The following <br /> table includes the wells monitored, the water bearing unit they are screened in, the <br /> frequency of monitoring, and the required parameters list. The monitoring well <br /> locations are shown on Figure 1. Groundwater monitoring was completed by <br /> experienced personnel using accepted monitoring practices. All samples were <br /> analyzed by ACZ Laboratories. <br /> Site Unit Monitoring Frequency Parameter <br /> Water Level Water Quality List <br /> DCAL-02 Dry Creek Alluvium A A GW Long <br /> WHAL7-2 Hubberson Gulch Alluvium A A GW Long <br /> WOV14 Wadge Overburden A A GW Long <br /> WOV17 Wadge Overburden A A GW Short <br /> WOV25 Wadge Overburden A A GW Long <br /> WW14 Wadge Coal A A GW Long <br /> WW17 Wadge Coal A A GW Short <br /> WW25 Wadge Coal A A GW Long <br /> WSOV25 Sage Creek Overburden A A GW Long <br /> WSC25 Sage Creek Coal A A GW Long <br /> WWCOV25 Wolf Creek Overburden A A GW Long <br /> WWC17 Wolf Creek Overburden A NR NR <br /> WWC25 Wolf Creek Coal A A GW Long <br /> WWCU25 Wolf Creek Underburden A A GW Long <br /> Note <br /> A: Annual <br /> NR: Not Required <br /> GW Long: Field conductivity, field pH, field temperature, fluoride, dissolved iron, dissolved <br /> manganese, nitrate, nitrite, dissolved selenium, sulfate, total dissolved solids <br /> GW Short: Field conductivity, field pH, field temperature, dissolved iron, dissolved manganese, total <br /> dissolved solids <br /> Page 6 of 17 <br />