Ionising Radiation Warning Sign HS0076

Ionising Radiation Warning Sign HS0076

This ionising radiation sign warns crew and visiting personnel that a compartment, container, or item of equipment emits or holds ionising radiation, a hazard that cannot be seen, smelled, or felt yet can cause serious harm with prolonged or unshielded exposure. It is the standard ISO 7010 pictogram for Ionising radiation, a language-independent alert that restricted access, shielding, or authorised handling rules apply in the marked area. Anyone working near gauging equipment, calibration sources, sterilisation units, or radiographic testing gear on board relies on this sign to recognise the hazard before entering.

SKU HS0076 sits within Safety Sign Hub’s Hazard Signs range alongside our other ISO 7010 warning pictograms, giving vessel operators a consistent, catalogued way to mark every recognised shipboard hazard from a single trusted source. This ionising radiation sign is typically fitted at the entrance to radiography bays, non-destructive testing stores, gauge rooms holding sealed sources, medical or laboratory spaces on larger vessels, and cargo holds transporting Class 7 radioactive materials. It is also specified for lockers and cabinets storing portable radioactive sources, ensuring the hazard is flagged the moment a door or hatch is opened.

Like the rest of our Hazard Signs range, this sign is produced on rigid, marine-grade substrate or as a self-adhesive photoluminescent label, built to resist saltwater spray, UV exposure, and the temperature swings typical of engine spaces and cargo holds. The photoluminescent option keeps the pictogram visible during power loss, which matters where radiation sources are stored in enclosed lockers or below-deck spaces with limited lighting.

Why Ionising Radiation Hazards Matter

Unmarked or poorly maintained radiation signage puts crew, contractors, and surveyors at real risk. Exposure to ionising radiation is cumulative and can damage tissue, increase long-term cancer risk, and in acute cases cause radiation sickness, yet none of these effects are perceptible without instrumentation. A missing or faded ionising radiation sign means personnel may linger near a source, skip required dosimeter checks, or open a container that should remain sealed.

Clear signage also protects the vessel operationally. Correctly located warning pictograms are what safety officers check for during routine rounds, and their presence or absence is often the first thing noted during drills and toolbox talks before hot work or testing near a radiation source. Consistent signage reduces confusion during emergency response, since responders can immediately identify a compartment requiring specialist handling.

Compliance and Certification

HS0076 reproduces the officially registered ISO 7010 warning pictogram referenced in IMO shipboard safety signage guidance for identifying hazards through graphical symbols rather than text alone. Fitting recognised ISO 7010 signage supports compliance with SOLAS general safety requirements around hazard communication, and it is the format Port State Control officers and classification society surveyors expect to see during inspections. Review the full pictogram register at iso.org to confirm the exact symbol this ionising radiation sign follows.

Installation Recommendations

Mount this ionising radiation sign at eye level on the door, hatch, or bulkhead immediately outside the area, container, or locker holding the source, so it is the last thing seen before entry. Where a source sits inside a cabinet or portable case, apply a smaller self-adhesive version directly to the lid in addition to the compartment-level sign. Keep the area clear of hoses and cable runs, and check the sign during routine rounds to confirm it remains legible and securely fixed.

• Reproduces the officially registered ISO 7010 ionising radiation pictogram
• Available in rigid marine-grade or self-adhesive photoluminescent construction
• Resists saltwater, UV exposure, and shipboard temperature extremes
• Remains visible during power loss thanks to the photoluminescent finish
• Sized for bulkheads, hatches, lockers, and portable source containers

Fit HS0076 wherever ionising radiation sources are handled or stored on board to keep the hazard clearly flagged for crew and visitors. Browse the wider Hazard Signs range for matching ISO 7010 pictograms, or pair it with our Fire Fighting Signs to complete your vessel’s safety signage.