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Requirement Regulation Comment <br /> Field parameters sampled comprise temperature (°C),flow <br /> (gpm),pH(std units),conductivity(µmhos), and constituent <br /> parameters comprise TSS(mg/1),TDS(mg/1),Fe(mg/1),total <br /> K. Parameters to be Table 4.8-12 of Fe (mg/1),total Al(mg/1). <br /> sampled at CDRMS Extended parameter sampling requires sampling for As(mg/1), <br /> surface water mining permit HCO3 (mg/1),total Ba(mg/1),Ca(mg/1),total Ca(mg/1),total <br /> sites C-81-010 Cr(mg/1),total Cu(mg/1),F(mg/1),Mg(mg/1),total Pb(mg/1), <br /> Mn(mg/1),total Mn(mg/1),total Mo (mg/1),Ni(mg/1),Na <br /> (mg/1),No' (mg/1), SAR(ratio),total Se(mg/1), SO4(mg/1), <br /> total Zn(m /1). <br /> Upon completion of mining, Trapper's pond network will be <br /> used for watering livestock and wildlife. To evaluate the <br /> suitability of Trapper's surface water for those uses,a <br /> comparison of surface water data as per the AHR to water <br /> quality standards of CWQCC Regulations 31 and 37 for <br /> stream segment 3b is made. Regulation 37s classifications for <br /> L. Prevention of stream segment 3b include Aquatic Life (warm 2),Recreation <br /> impacts to (P), and Agriculture. The State of Colorado defines the <br /> surface water CDRMS agricultural use classification as water suitable for irrigation <br /> adversely regulation and stock watering,assuming that water safe for livestock and <br /> impacting the 4.05.1(2) aquatic life is also safe for wildlife. Also,certain constituents <br /> postmining land monitored have effluent limitation standards requirements as <br /> use per Trapper's NPDES permit,discussed above in in sections E <br /> and G. <br /> Water quality was measured at the downstream discharge <br /> points in drainages near the northern permit boundary. Water <br /> quality at these locations is assumed to be representative of <br /> water quality higher in the watersheds. No exceedances of <br /> standards occurred in 2021. <br /> M. Filing frequency CDRMS <br /> of pond reports regulation Filing frequency was met. <br /> 4.05.9(17) <br /> N. Timely filing of CDRMS <br /> pond reports regulation Filing of reports was timely <br /> 4.05. 9(17) <br /> O. Content of pond CDRMS <br /> regulation Adequate <br /> reports 4.05. 9(17) <br /> Page 2 <br />