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<br />Wrn SYrdvy and SY/dp' AEMJ <br />3.1.3 Sources <br /> <br />~nA/ FjtI~1~ON$YAYYV,V <br />• Source vaziables aze designated chemicals defined as "toxic or acid-forming materials" or <br />materials which would produce acid mine drainage. <br />- Rocks in which low-grade ores occur aze not sulfates and not acid-producing. <br />• Rocks contain low levels of naturally-occurring uranium; but field data collected using <br />scintillometers snowed radioactivity levels in waste rock storage piles three or four times <br />lower than that occurring on a local outcrop, which outcrop is typical of mlmerous such <br />features in the immediate azea. <br />- If the waste rock at the Sunday and West Sunday Mines was consid~;red a source <br />of uranium metal, the naturally-occurring rocks on outcrop in the same azea could <br />be considered sources, with appazently greater concentrations of uraruum or other <br />radioactive elements. <br />H \USFASUffMWPVAtRLLETfFA5.95\W SUNSUN PIIE <br />Page 16 <br />