[Intl_DxMedPhys] Are shielding surveys for replacements required?

[Eugene Mah]

South Carolina regulations require a new shielding plan and shielding
evaluation whenever a new x-ray system is installed or replaces an existing
system.

Eugene

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Eugene Mah, Ph.D., DABR               eugenemah at gmail.com
Medical Physicist                     maheug at musc.edu
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On Mon, Sep 8, 2025 at 2:39 PM Nima Kasraie via Intl_dxmedphys_wd_osu_list <
intl_dxmedphys_wd_osu_list at lists.osu.edu> wrote:

> Hi all, If you replace a fluoro room with a similar model and vendor with
> no changes to room shielding and walls, do you still need to do a shielding
> survey, legally speaking? TJC says yes. But what about the states? For
> example, in Texas, I
>
> Hi all,
>
>
>
> If you replace a fluoro room with a similar model and vendor *with no
> changes to room shielding and walls*, do you still need to do a shielding
> survey, *legally speaking*?
>
>
>
> TJC says yes.
>
>
>
> But what about the states?
>
>
>
> For example, in *Texas*, I find no mention of the state regs where they compel
> a shielding survey for diagnostic X-ray/fluoroscopy rooms. It’s not in TAC
> 289.227, nor any of the adopted rules I could find.
>
>
>
> But if the state doesn’t ask for it, can they expect a post-installation
> shielding confirmation—especially for high-dose fluoro rooms—even if that
> expectation isn't explicitly stated in 227?
>
>
>
>
>
> I find it hard to accept that the state wouldn’t have any specific
> language on this issue.
>
>
>
>
>
>
>
> Nima
>
>
>
> ------------------------------
>
> UT Southwestern
>
> Medical Center
>
> The future of medicine, today.
>
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