Chapter 34 Polonium [Po, 84] ............................................................................. 249

34.1 Introduction ......................................................................... 249

34.2 Soils ..................................................................................... 249

34.3 Waters .................................................................................. 250

34.4 Plants ................................................................................... 250

34.5 Humans ................................................................................ 250

Chapter 35 Radium [Ra, 88] ............................................................................... 253

35.1 Introduction ......................................................................... 253

35.2 Soils ..................................................................................... 253

35.3 Waters .................................................................................. 254

35.4 Air ........................................................................................ 254

35.5 Plants ................................................................................... 255

35.6 Humans ................................................................................ 255

Chapter 36 Radon [Rn, 88] ................................................................................. 257

36.1 Introduction ......................................................................... 257

36.2 Environment ........................................................................ 257

36.3 Humans ................................................................................ 258

Chapter 37 Rhenium [Re, 75] ............................................................................. 261

37.1 Introduction ......................................................................... 261

37.2 Environment ........................................................................ 261

37.3 Humans ................................................................................ 261

Chapter 38 Rhodium [Rh, 45] ............................................................................ 263

38.1 Introduction ......................................................................... 263

38.2 Environment ........................................................................ 263

38.3 Humans ................................................................................264

Chapter 39 Rubidium [Rb, 37] ............................................................................ 267

39.1 Introduction ......................................................................... 267

39.2 Soils ..................................................................................... 267

39.3 Waters .................................................................................. 267

39.4 Air ........................................................................................ 268

39.5 Plants ................................................................................... 269

39.6 Humans ................................................................................ 269

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Contents