The marine pollutant mark - or marine pollutant placards - are required for substances that are deemed environmentally hazardous to an aquatic environment.  The marine pollutant mark takes on two forms: the marine pollutant labels  (for packages) & marine pollutant placards (shipping containers) which must be marked on all 4 sides with the marine pollutant placard pictured below.  The marine pollutant mark is required* for UN3077, UN3082, and environmentally hazardous substances meeting the classification criteria of Part 2.9.3 of the IMDG Code.

Marine Pollutant Placards


marine pollutant placard, marine pollutant mark, environmentally hazardous substance placard

Marine Pollutant Placards

MaterialItem Code
TagboardPLT-ENV
Adhesive VinylPLP-ENV
Rigid PlasticPLR-ENV
More info...
MaterialTagboardAdhesive VinylRigid Plastic
Mode of TransportROADMARINE / RAILROAD / RAIL
DurabilityUp to 30 days2 - 3 Years3 - 5 Years
Designed ApplicationShort Haul Trucking
Local Transport
One-Way Trips
Long-term outdoor exposure
Rail or fixed tanks
Ocean containers
Long-term outdoor exposure
Rail cars
Long-haul trucking
FeaturesLaminated Tagboard (200lb)
Fade resistant ink
Clear laminated vinyl
Permanent adhesive meets IMDG/BS 5609 standard (removable adhesive also available)
Fade resistant ink
Tear-proof 20 mil plastic
UV ink
Affixing MethodPlacard HolderSelf-Stick / AdhesivePlacard Holder
Dimensions10.75" x 10.75" (27.3 cm x 27.3 cm)10.75" x 10.75" (27.3 cm x 27.3 cm)10.75" x 10.75" (27.3 cm x 27.3 cm)
Quantity Per Package505050
Use of the marine pollutant mark / marine pollutant placards
IMDG Code Part 5.2.1.6.1 - except as provided in 2.10.2.7 packages containing marine pollutants meeting the criteria of 2.9.3 shall be durably marked with the marine pollutant mark. IMDG Code Part 5.3.2.3.1 - except as provided in 2.10.2.7 cargo transport units containing marine pollutants shall clearly display the marine pollutant mark [marine pollutant placard] in location indicated in 5.3.1.1.4.1.Marine pollutant placards - applied to CTUs - are required to be a minimum of 250 mm x 250 mm.  The marine pollutant label - applied to packages - is required to be a minimum of 100 mm x 100 mm.  If the size of the package requires, the dimensions may be reduced to not less than 50 mm x 50 mm (more info here).

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