The need for radiation controls in the phosphate and related industries.
D000398:Air Pollution, Radioactive / Q000032:analysis*; D002617:Chemical Industry; D007061:Idaho; D008906:Mining; D010710:Phosphates / Q000032:analysis; D011059:Polonium / Q000032:analysis; D011883:Radium / Q000032:analysis; D013910:Thorium / Q000032:analysis; D014501:Uranium / Q000032:analysis; D014878:Water Pollution, Radioactive / Q000032:analysis*
D010710:Phosphates; D014501:Uranium; D013910:Thorium; D011059:Polonium; D011883:Radium