Ionizing Radiation. Quantities for Describing the Interaction of Ionizing Radiation with Matter. Exponential Attenuation. Charged-Particle and Radiation Equilibria. Absorbed Dose in Radioactive Media. Radioactive Decay. Gamma- and X-Ray Interactions in Matter. Charged-Particle Interactions in Matter. X-Ray Production and Quality. Cavity Theory. Dosimetry Fundamentals. Ionization Chambers. Dosimetry and Calibration of Photon and Electron Beams with Cavity Ion Chambers. Integrating Dosimeters. Dosimetry by Pulse-Mode Detectors. Neutron Interactions and Dosimetry. References. Appendixes. Index.