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Technical Revision 25, Rev. 1 Schwartzwalder Mine <br /> Sample Sample Location Description Uranium Radium-226 <br /> Number ( Ci/ ) ( Ci/ ) <br /> #21 Along Creek at Staff Gauge North of 2.6 1.6 <br /> MW#3A <br /> #22 South of MW#3A 3.2 1.7 <br /> #23 East of Sump #2 2.5 1.7 <br /> #24 NE Electrical Substation 193.6 77.5 <br /> #25 East of Electrical Substation 3.4 1.2 <br /> #26 3 Feet East of Electrical Substation 25.4 6.3 <br /> #27 Adit 2207 269 <br /> #28 NE of Adit (Ore Sorter Area) 19.8 1.7 <br /> #29 Adit Towards WTP 67.5 16.5 <br /> #30 Southeast MW#9 5.3 2 <br /> #31 Southeast MW#9 5.7 2.8 <br /> #32A Loading Dock Ramp 268.1 80.1 <br /> #32A as-is 116.4 58.3 <br /> #32B Duplicate Loading Dock Ramp 141.5 40.8 <br /> #33 Road Between MW#7 and #8 34.7 0.7 <br /> #34 West of Sump #1 4.3 1.7 <br /> #35 Road East of Sump #1 42.4 26.2 <br /> #36 Road at MW#8 12.1 15.5 <br /> #37 SW of entry gate #1 416 345 <br /> #38 Outside entry gate property#1 83.9 45.9 <br /> #39 Old drying trenches area#1 3.4 2.8 <br /> #40 Old drying trenches area#1 6.8 2.8 <br /> #41 Old drying trenches area #1 2.3 1.5 <br /> #42 Old drying trenches area#1 1.6 1.4 <br /> WTP 1 Soil Core Under OWTP Building 13.3 4.2 <br /> WTP 2 Soil Core Under OWTP Building 1.6 0.6 <br /> WTP 3 Soil Core Under OWTP Building 356 1.8 <br /> WTP 4 Soil Core Under OWTP Building 14.9 3.2 <br /> WTP 5 Soil Core Under OWTP Building 3.3 0.6 <br /> WTP 6 Soil Core Under OWTP Building 2.5 0.7 <br /> WTP 7 Soil Core Under OWTP Building 14.1 4.5 <br /> Trailer 1 Soil Core Under Trailer Pad 11.3 3.8 <br /> Trailer 2 Soil Core Under Trailer Pad 13.2 9.5 <br /> Trailer 3 Soil Core Under Trailer Pad 3.7 1.5 <br /> Pond 1 Soil Core Under Retention Ponds 6.8 1.8 <br /> This data was used to develop soil cleanup criteria presented in the next section. <br /> Mine Permit M-1977-300 <br /> Cotter Corporation(N.S.L.) 8 June 2017 <br />