IEC 61331-3:1998 applies to protective devices such as protective clothing for the protection of persons against X-radiation up to 150 kV, during radiological examinations and interventional procedures. It deals with general requirements on the accompanying documents, and on the design and materials used and with standard sizes, particular design features, minimum attenuation properties of materials, marking and standardized forms of statements of compliance with this standard. IEC 61331-3 covers protective clothing mainly for the protection of the operator, such as protective aprons, protective gloves, and protective mittens. It covers protective devices for gonads mainly for the protection of the patient, such as protective gonad aprons, scrotum shields, ovary shields, shadow shields.