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5.0 SPRINGS <br /> The SIN monitoring program includes nine spring sites. The following table includes <br /> the list of springs monitored, the frequency of monitoring, and the required <br /> parameters list. See Figure 1 for the location of the spring points. Spring monitoring <br /> was completed by experienced personnel using accepted monitoring practices. All <br /> samples were analyzed by ACZ Laboratories. <br /> Site Type Unit Monitoring Frequency Parameter <br /> Discharge Water Quality List <br /> S-46 (WSPG46) Spring Native A A SW Long <br /> S-47 (WSPG47) Spring Native A A SW Short <br /> S-50 (WSPG50) Spring Native A A SW Long <br /> S-7 (WSPG7) Spring I Native A A SW Long <br /> Spoil Spring 1 (WSSPG1) Spring Spoils A A SW Short <br /> Spoil Spring 2 (WSSPG2) Spring Spoils A A SW Long <br /> Spoil Spring 3 (WSSPG3) Spring Spoils A A SW Long <br /> Spoil Spring 4 (WSSPG4) Spring Spoils A A SW Long <br /> Spoil Spring 5 (WSSPG5) Spring Spoils A A SW Long <br /> Note <br /> A: Annual <br /> SW Long: Field conductivity, field pH, field temperature, total recoverable iron, dissolved manganese, <br /> total mercury, ammonia, nitrate, nitrite, dissolved selenium, sulfate, sulfide, total dissolved <br /> solids, total suspended solids <br /> SW Short: Field conductivity, field pH, field temperature, total recoverable iron, dissolved manganese, <br /> total suspended solids, total dissolved solids <br /> Four native springs and five spoil springs were monitored in 2020. The primary land <br /> use in this area, including the reclaimed mine parcels, is livestock grazing and <br /> wildlife habitat. Therefore, the water quality data collected from both the native and <br /> spoil springs are compared to the CWQCC Agricultural Use standards established in <br /> CDPHE Regulation 31. <br /> Table E.1 in Appendix E includes the analytical results for the spring samples <br /> collected in 2020. As is described in the approved SIN Hydrologic Monitoring Plan <br /> (see Tab 15, Appendix 15.3A) springs with flow less than 5 gallons per minute (gpm) <br /> should only be analyzed for field parameters. This is because it is often difficult to <br /> Page 15 of 17 <br />