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• <br />GW-N43 Underburden Field(5) Lab(6) <br />GW-N44 Overburden Field(5) Lab(6) <br />GW-N45 Coal Field(5) Lab(6) <br />GW-N46 Underburden Field(5) Lab(6) <br />SW-N102 NPDES 007 Field(2) Lab(3) <br />NPDES 008 Field(2) Lab(3) <br />NPDES 009 Field(2) Lab(3) <br />NPDES 011 Field(2) Lab(3) <br />NPDES 012 Field(2) Lab(3) <br />NPDES 013 Field(2) Lab(3) <br />SW-N1 Tuttle Draw Field(l) Lab 4 <br />SW-N3 Tuttle Draw Field(l) Lab 4 <br />SW-N104 West Lateral Ditch Field(l) Lab 4 <br />SW-N108 (Calamity Draw Field(l) Lab 4 <br />SW-N109 (Calamity Draw) I Field(l) Lab 4 <br />(1) Measure monthly water conductivity, PH, temperature, flow/depth for surface water monitoring <br />stations (SW's). Lab analysis for ammonia NH3 and NH4. <br />(2) Measure weekly for conductivity, PH, temperature, oil/grease, settleable solids, and flow for all <br />discharging water from all NPDES Outfalls. Test for total suspended solids, settleable solids, and <br />iron once a month for all NPDES Outfalls. <br />(3) Full suite laboratory analysis (February, May, August, and November on quarterly schedule), if <br />pond(s) are discharging for all NPDES Outfalls. <br />(4) Measure water conductivity, PH, temperature, oil/grease, and flow/depth. Have full suite <br />laboratory analysis February and August for Semi-Annual schedule and August for Annual <br />schedule) for listed groundwater monitoring wells and surface monitoring stations. <br />(5) Measure monthly water depth for groundwater monitoring wells (GW's). <br />(6) Measure water conductivity, PH, temperature, and depth. Have full suite laboratory analysis <br />using the Ground Water Parameters on following list (February, May, August, and November) <br />Surface Water Monitoring - New Horizon 2 Mine The total number of surface water <br />sampling locations is six. Calamity Draw contains two stations, Tuttle Draw contains three <br />stations, and one on the West Lateral Ditch. <br />Stations SW-N102 is located on a tributary of Calamity draw and will remain as a monitoring <br />point for water leaving Pond 007. This will also act as the NPDES 007 discharge monitoring <br />point for Pond 007. The two stations, SW-N108 and SW-N109 are also located on Calamity <br />Draw. The upstream station, SW-N108 is located just west of Lincoln Street as it flows from