Shielding degrades. Lead cracks when aprons are folded; seams separate; hook-and-loop closures fail. An apron with a defect over a critical organ is worse than useless because staff believe they are protected. A documented inspection program is both a safety practice and, in most jurisdictions, a requirement.
Who requires it
Expectations vary by state radiation-control program, but the common baseline is: visual and tactile inspection on receipt and at least annually thereafter; fluoroscopic or radiographic inspection at defined intervals; written acceptance and reject criteria; and a log. Accreditation surveys (Joint Commission, DNV) will ask to see the log and the criteria.
Inspection method
- Visual — lay the apron flat under good light. Look for surface cracks, stiff or brittle areas, and closure damage.
- Tactile — run your hands over the whole surface, feeling for gaps, lumps or thin spots in the shielding.
- Fluoroscopic / radiographic — image the apron (low mA, spot images or a single AP radiograph). Defects appear as bright spots or lines.
Reject criteria (typical)
- Any defect (crack, hole, separation) in the critical zone — the area covering reproductive organs, sternum and thyroid: reject.
- Defect elsewhere larger than ~15 mm² (about the area of a pencil eraser), or total defect area over ~670 mm²: reject.
- Closure or strap failure that prevents proper fit: repair or reject.
- Confirm against your own physicist's or state program's stated thresholds — numbers above are a common convention, not a universal rule.
Care that extends apron life
- Never fold. Hang on a proper apron rack or lay flat. Folding is the single biggest cause of premature cracking.
- Clean with a damp cloth and mild disinfectant per the manufacturer's guidance; do not soak or machine wash.
- Transport rolled loosely, not folded, if a rack is not available.
- Assign each apron an ID and track it — you cannot manage a fleet you cannot identify.
Retirement
Aprons that fail inspection come out of service immediately and are tagged so they cannot be returned to the floor. Lead and lead-composite aprons are hazardous waste — use a licensed disposal vendor and keep the manifest. Lead-free aprons can usually go to standard waste; confirm with the manufacturer.
Starter checklist
- Every apron has a unique ID and an inspection record.
- Inspection on receipt, then at least annually.
- Written acceptance/reject criteria approved by your RSO or physicist.
- Racks in every location where aprons are stored — no folding.
- Failed aprons tagged, removed, and dispositioned with documentation.
- Replacement budget planned on a rolling cycle, not all at once.
We can supply inspection-ready aprons, apron racks for every storage point, and help you plan a rolling replacement cycle so the budget stays predictable. Talk to us about a program review.