Section 325.5017. Definitions Se to So.

(1) "Sealed source" means radioactive material that is permanently bonded or fixed in a capsule or matrix designed to prevent release and dispersal of the radioactive material under the most severe conditions which are likely to be encountered in normal use and handling.

(2)       "Secondary protective barrier" means the material placed in the path of scattered and leakage radiation to reduce the radiation exposure for protection purposes.

(3)      "Shall" means required to comply with these rules pursuant to the act and enforceable under the act and Act No. 306 of the Public Acts of 1969 as amended.

(4)         "Should" means recommended when practicable to meet optimum radiation safety standards.

(5)     "Source" as applied to x-ray means the focal spot of the x-ray tube.

(6)      "Source-image receptor distance" or "SID" means the distance from the source to the center of the input surface of the image receptor.

(7)         "Source material" means uranium or thorium, or any combination thereof, in any physical or chemical form; or ores which contain by weight 1/20 of 1% (0.05%) or more of uranium, thorium or any combination thereof. Source material does not include special nuclear material.

(8)        "Source of radiation" means any radioactive material, or any device or equipment emitting or capable of producing radiation.

History: 1954 ACS 85, Eff. Dec. 3, 1975; 1954 ACS 98 Eff. Mar 9, 1979.