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Job Duties. Health physics technicians use equipment, such as spectrometers and gamma counters, to determine levels of radiation. They calculate exposure times and instruct workers in safety procedures and precautions, including the use of radiation detectors and protective gear.
Health physics or The Physics of Radiation Protection is the science concerned with the recognition, evaluation, and control of health hazards to permit the safe use and application of ionizing radiation.ealth physicists, however, focus on the evaluation and protection of human health from radiation, whereas medical health physicists and medical physicists use radiation and other physics-based technologies for the diagnosis and treatment of disease.