Abstract
Proposals covering the broader aspects of x-ray and radium protection were adopted by the International Congress of Radiology in 1928, 1931, 1934 and 1937. These have formed a basis of more detailed recommendations by the National Advisory Committee on X-Ray and Radium Protection composed of representatives of the various radiologic and medical societies and the x-ray equipment manufacturers. However, certain types of questions in this matter frequently confront the physician and consequently it may be of value to discuss briefly a few of them. SHIELDING FROM DIRECT RADIATION Complete X-Ray Shielding.— In the deep and superficial therapy rooms it is most desirable in general that the nurse or technician be completely isolated from the patient, since that affords complete protection from both direct and scattered radiation. To realize this practically, the treatment room should be constructed of some completely protective material, and observation by the nurse should be only
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