X radiation from color television receivers

When black-and-white television receivers using cathode-ray tubes were introduced to the consumer public, measurements verified that, with the voltages and currects needed for satisfactory pictures, the externally emitted X radiation was indeed negligible. Color receivers, with much higher voltages and currents, led to a re-examination of the problem. Again, it was found that proper design could produce a bright picture with negligible radiation. In the past two years, however, some unusual events, reported experiments, and surveys involving color receivers have been widely publicized in the lay press-resulting in a major controversy with respect to the existence of radiation hazards. In an effort to free the subject from political overtones and from what has appeared to some as ``sensational journalism,'' the National Center for Radiological Health joined the Electronic Industries Association in sponsoring a special measurements conference, reported herein, which represents a first step toward complete examination of the X-radiation problem.