Radiation safety rules, state by state.
Every state runs its own radiation control program, and the agency that registers your x-ray equipment is rarely the one you would guess — it might sit in public health, in the environmental department, even in homeland security. Click a state for the program that regulates it, who to call, and what they require.
The full directory
Agency names and links checked September 2026.
Programs move between departments — tell us if you hit a dead link.
What does “Agreement State” mean — and does it change anything for my x-ray equipment?
For x-ray equipment: no. It changes nothing. A C-arm, DR room, CT, fluoro suite or dental unit is registered with the state in all 50 states and DC. The federal government has never regulated machine-produced radiation, so every state has always run its own x-ray program. The tag on each state below does not affect that.
“Agreement State” is about radioactive material — the isotopes and sealed sources used in nuclear medicine, not the equipment that generates x-rays electronically. The U.S. Nuclear Regulatory Commission licenses those materials, and under Section 274b of the Atomic Energy Act a state can sign a formal agreement to take that job over, holding to standards at least as protective as the NRC's. Forty states have signed. In the other ten and the District of Columbia, the NRC still licenses those materials directly. Nuclear power plants stay federal everywhere.
Your state regulates this — everywhere
Registration, shielding review and inspection of equipment that produces x-rays electronically:
- C-arms and mobile fluoroscopy
- Radiographic and DR rooms
- CT scanners
- Mammography units (plus federal MQSA)
- Dental, podiatric and veterinary x-ray
- Linear accelerators
Agreement State status decides this
Who licenses radioactive material — your state agency, or the NRC directly:
- Nuclear medicine and PET isotopes
- Brachytherapy sources
- Gamma Knife and similar sealed-source systems
- Blood irradiators
- Bone densitometers with a radioactive source
The practical difference: in an Agreement State, one agency usually handles both your x-ray registration and your materials license — one phone number. In the eleven jurisdictions that are not, a facility running nuclear medicine deals with two regulators, the state for the machines and the NRC regional office for the isotopes. If your equipment has no radioactive source in it, you will only ever deal with the state office listed below.
Now that you know who to call, let's talk equipment.
Equipped MD sells imaging and surgical equipment nationwide — C-arms, ultrasound, CT, MRI, DR rooms and more, new or refurbished depending on your budget and your timeline. Tell us the modality you are after and you will get real pricing, current availability, and a delivery and installation date you can plan around.
How to use this page. Contact your state program directly before you buy, relocate, or place a unit in service. Requirements summarized here are drawn from each agency's own published pages and are shortened for scanning — they are not the regulation itself, and several states set different rules by modality (mammography, CT, fluoroscopy, therapy, dental, veterinary, industrial).
Agreement State designations follow the U.S. Nuclear Regulatory Commission's published list. See the explainer above the directory for what that status does and does not affect.
Equipped MD is a medical imaging and surgical equipment dealer, not a regulatory consultant or a law firm. Registering equipment, arranging shielding reviews, and maintaining compliance with state radiation rules are the responsibility of the owning facility. This directory is offered as a convenience and is not regulatory or legal advice.