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COLORADO LEGACY LAND <br /> TABLE 2A: SURFACE WATER SAMPLE FIELD PARAMETERS <br /> Elevation' Field Parameters <br /> Location ID / ft above Dissolved <br /> � Sample Date Notes/ Location Description <br /> Sample ID Flowrate pH Temperature Conductivity ORP <br /> p mean sea ( 3/ ) ( � (� ) (Its/cm) ( � Oxygen <br /> level ft s unitless CmV m L <br /> SW-AWD 6,636.37 7/13/2022 0.4 7.27 17.2 348.7 134.6 5.91 Upstream sample location. Above waste dump (AWD).Onsite. <br /> SW-NWRP 6,626.91 7/13/2022 1.2 7.56 19.0 362.9 -11.2 5.60 Downstream of the North Waster Rock Pile (NWRP). <br /> SW-AO01 6,603.98 Not Sampled' - - - - - - Above former discharge point.Onsite. Directly below the west waste rock pile. <br /> SW-BDIS 6,592.67 Not Sampled' - - - - - - Below former discharge (BDIS).Onsite.Below former concrete containment structure. <br /> SW-PL 6,583.53 Not Sampled' - - - - - - Former parking lot(PL) location.Onsite. <br /> SW-OS 6,562.51 Not Sampled' - - - - - - Former ore sorter(OS) location.Onsite. <br /> SW-BOS 6,556.19 Not Sampled' - - - - - - Below former ore sorter(BOS) location.Onsite. <br /> SW-GS 6,545.54 Not Sampled' - - - - - - Former guard shack(GS) location.Onsite. <br /> SW-BPL 6,522.53 7/13/2022 2.4 8.16 21.1 292.4 16.6 5.70 Below property line (BPL).Downstream sample location,just below entrance gate.Offsite. <br /> SW-FBRG 6,489.65 7/13/2022 1.2 8.09 23.4 315.7 -7.7 5.97 First bridge (FBRG) after leaving site.Offsite. <br /> SW-ARH 6,364.04 7/13/2022 1.0 8.38 21.4 336.1 3.7 6.18 Above red hill (ARH). Near the large red boulders in the creek bed.Offsite. <br /> SW-LLHG 6,158.46 7/13/2022 1.4 8.71 21.2 338.5 -11.3 6.25 Long lake head gate (LLHG). Just above head gate.Offsite. <br /> SW-WEIR 6,069.11 7/13/2022 0.68 8.69 22.1 355.4 -0.9 5.73 Weir structure before Ralston Reservoir Offsite. <br /> Citation: <br /> 'Locations surveyed by Lambert Land Consulting on 7/23/2020. <br /> Notes: <br /> z Not sampled during this sampling event. <br /> µS/cm = MicroSiemens per centimeter <br /> °C = Degrees Celsius <br /> fO/s= Cubic feet per second <br /> kg/day= Kilogram per day <br /> mg/L= Milligrams per liter <br /> mV=Millivolts <br /> ORP= Oxidization Reduction Potential <br /> PACE:7 or 17 <br />