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I <br /> 1.100 pCl/g on a •poll pile at the King Edward Group. Most of the mines <br /> exhibited significant equivalent radium concentrations. <br /> i <br /> Estimates of the waste tonnage for each mine are provided in Appendix B. It <br /> is unlikely that all of the waste at a particular site is characterized by the <br /> radium concentrations given in Table 4. <br /> J <br /> ] Table 4. Near-Surface Equivalent <br /> Radium Concentrationsa <br /> Equivalent <br /> Location (ID No. ) Ra-226 (epCi/g)b <br /> Firefly (ER-1) 199 <br /> l (ER-2) 422 <br /> (ER-3) 80 <br /> (ER-4) 24 <br /> Little Don (ER-5) 81 <br /> r—r Grey Daun (ER-6) 167 <br /> iLittle Peter (ER-7) 123 <br /> Blue Cap (ER-8) 66 <br /> St. Patrick (ER-9) 189 <br /> Black Bat (ER-10) 46 <br /> Yellow Circle (ER-11) 192 <br /> (ER-12) 142 <br /> (ER-13) 56 <br /> Laura (ER-14) 122 <br /> (ER-15) 118 <br /> (ER-l6) 30 <br /> (ER-17) 497 <br /> King Edward <br /> Mt. Linnaeus s4 (ER-18) 196 <br /> Mt. Linnaeus s4 (ER-19) 231 <br /> Mt. Linnaeus s5 (ER-20) 202 <br /> Jc Mt. Linnaeus i8 (ER-21) 997 <br /> 1W�Ve Rex Group (ER-22) 135 <br /> a �1 (ER-23) 0 <br /> Horseshoe $1 (ER-24) 218 <br /> Brushy Basin (ER-25) 1 <br /> _ aMeasurements taken on waste dumps on exposed <br /> -' spoils (no apparent cover) . See maps in Appendix A <br /> for measurement locations. <br /> �BacKgrouna is typically i pCiig. uniRA, <br /> 1 z;tamiaids ore G pC,,g abcv,e t-jckgrc-_;nd •:: •nn t5_rA <br /> 1 — of soil , and 15 pCi/g above background for any deeper <br /> 15-cm-thick layer, averaged over 100 ■2. <br /> i <br /> ' ' 7 <br />