Michigan Compiled Laws, Chapter 333. Health § 333.13501

(a) “General license” means a license, effective pursuant to rules promulgated by the department without the filing of an application, to transfer, acquire, own, possess, or use quantities of, or devices or equipment utilizing, radioactive material.

(b) “Ionizing radiation” means gamma rays and x-rays, alpha particles, beta particles, high speed electrons, neutrons, protons, high speed ions, and other high speed nuclear particles.

(c) “Mammography” means radiography of the breast for the purpose of enabling a physician to determine the presence, size, location, and extent of cancerous or potentially cancerous tissue in the breast.

(d) “Mammography authorization” means authorization under section 13523  1 to use a radiation machine for mammography.

(e) “Mammography interpreter” means an individual who meets the requirements set forth in section 13523(2)(g) and is responsible for evaluating and interpreting mammographic images.

(f) “Person” means a person as defined in section 1106  2 or a governmental entity.

(g) “Radioactive material” means a solid, liquid, or gas material which emits ionizing radiation spontaneously.

(h) “Radiography” means the making of a film or other record of an internal structure of the body by passing x-rays or gamma rays through the body to act on film or other image receptor.

(i) “Registration” means registration of a source of ionizing radiation in writing with the department.

(j) “Source of ionizing radiation” means a device or material that emits ionizing radiation.

(k) “Specific license” means a license issued to use, manufacture, produce, transfer, receive, acquire, own, or possess quantities of, or devices or equipment utilizing, radioactive material.