Placard with UN2924 number (flammable, corrosive liquid), 10-3/4 in X 10-3/4 in, for the transportation of dangerous goods

UN2924 placard for flammable, corrosive liquids, class 3, 10-3/4 in X 10-3/4 in

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The UN2924 placard identifies a load of flammable, corrosive liquid, N.O.S., class 3 with subsidiary class 8, on trucks and tanks delivering process preparations and surface treatment products. It shows the number 2924 in black in its white box, the flame symbol and the class number 3, on a red 10-3/4 X 10-3/4 in diamond that fits most placard holders. Made in Canada, it is sold individually.

Features of the pre-printed UN2924 placard

• UN2924 number pre-printed with the flame symbol and the class number 3: no digits to apply yourself.
• 10-3/4 X 10-3/4 in diamond, the standard size that fits most placard holders.
• High-contrast printing, legible from a distance.
• Three materials: low-cost cardboard, reusable rigid plastic or permanent self-adhesive vinyl.
• Designed, according to the manufacturer, for the Canadian TDG Regulations, the US DOT and the IMDG, IATA and ICAO codes: convenient for cross-border transport.

Available formats: cardboard, rigid plastic or self-adhesive vinyl

Aluminum placard available on request: contact customer service for a quote.

Flammable, corrosive liquids in transport and storage: what to do in case of a spill

UN number 2924 corresponds to the shipping name FLAMMABLE LIQUID, CORROSIVE, N.O.S., class 3 with subsidiary class 8, packing group I, II or III depending on the product. This generic entry covers blends that are both flammable and corrosive, such as some process or surface treatment preparations; the technical name and composition are on the safety data sheet. Transport Canada's 2024 Emergency Response Guidebook (ERG) places it under guide 132, for corrosive flammable liquids: vapours can ignite or explode, contact causes severe burns and a fire produces irritating, corrosive or toxic gases.

In case of a spill during transport or in your storage area, guide 132 calls for dialing 911, then the emergency number on the shipping document, and isolating at least 50 m around the leak, then increasing the protected area downwind as needed. Eliminate all ignition sources (cigarettes, road flares, sparks, flames), ground the handling equipment, do not touch the product and, if you can do it without risk, stop the leak. Keep the liquid out of waterways, sewers, basements and confined areas. For a small spill, absorb the liquid with earth, sand or another non-combustible material and transfer it into a container with clean non-sparking tools. For a large spill, dike far ahead of the liquid for later disposal.

Keep a mineral absorbent (ABGMM225) in the vehicle and near the storage area to cover the liquid, along with chemical socks (ABCB30) and pads (ABCT100) to contain the flow; check their compatibility with the product's safety data sheet.

Fire safety for flammable, corrosive liquids: which extinguisher to keep in the vehicle and at the warehouse

For a small fire, guide 132 names dry chemical and CO₂ among the extinguishing agents: an ABC dry chemical (EXABC10) extinguisher or a CO₂ (EXCO10) unit is therefore the right choice. Place it in the vehicle cab and at an accessible spot near the storage area, outside the hazard zone. The guide notes that some of these substances react violently with water. A large fire is a job for firefighters. If a tank, rail tank car or highway tank is involved in a fire, the guide calls for isolating 800 m in all directions and considering an initial evacuation over the same distance.

These guidelines from the 2024 ERG help you prepare your transport and storage procedures. For the exact product and the real situation, the current safety data sheet and the ERG prevail; emergency measures are for trained and equipped personnel, with a positive pressure self-contained breathing apparatus (SCBA), as the guide specifies.

UN2924 placard applications

The UN2924 placard is intended for chemical distributors, surface treatment shops and dangerous goods carriers shipping flammable, corrosive blends. Cardboard is handy for a one-time load, rigid plastic is reused from one trip to the next, and self-adhesive vinyl stays in place on a tank dedicated to these liquids.

Complete your display with an aluminum flip chart placard, with five (ECLAP5) legends including class 3, or fourteen (ECLAP14) legends, for trucks whose cargo changes; the class 3 placard with a blank (ECLA3UN) UN box, to write in a number yourself; the class 3 flammable liquid placard (ECLA3); the class 8 corrosive (ECLA8) placard; and the yellow and black warning tape (ECT751JN108) to mark off the storage area.

UN2924 placard technical specifications

Placard installation and care

Apply the self-adhesive vinyl to a clean, dry surface. Keep the placard clean so the number stays legible, and replace it if it is damaged, faded or illegible. For a placard exposed to the weather for a long time, choose rigid plastic or vinyl over cardboard.

FAQ: UN2924 placard and flammable, corrosive liquids transport

Which material should I choose for the UN2924 placard: cardboard, plastic or vinyl?

Cardboard is the low-cost option for temporary use. Rigid plastic is weatherproof and reusable. Self-adhesive vinyl suits permanent application on a tank or trailer.

Should I also display the class 8 placard?

The UN2924 placard shows class 3, the primary class. Requirements for subsidiary class 8 depend on the load: check the shipping document and the TDG Regulations.

What safety perimeter is needed for a spill of the liquid?

Guide 132 of the 2024 ERG calls for isolating at least 50 m around the leak and increasing the protected area downwind as needed. If a tank is on fire, isolate 800 m in all directions.

Which extinguisher should I keep in a vehicle carrying the liquid?

For a small fire, an ABC or BC dry chemical extinguisher, or a CO₂ extinguisher. A large fire is a job for firefighters: move away and dial 911.

Does the UN2924 placard fit in a placard holder?

Yes. Its 10-3/4 X 10-3/4 in format is the standard size that fits most placard holders.

Suggestions for transport and storage of flammable, corrosive liquids

For the driver or handler who deals with the liquid at loading, delivery or in the warehouse, plan for Centurion splash goggles (YG454), a 6000 series full face respirator (R6800) with combination organic vapour and acid gas cartridges (R60923), selected according to the SDS and the risk assessment, 12 in Chemstop neoprene gloves (GNE3030), waterproof PVC steel toe boots (VC18821C) and a flame-resistant high-visibility vest (VV510FR) to stay visible on the road and at the loading station.

To contain and respond to a spill, keep on hand sheets (ABCT100) for corrosive or hazardous chemicals, snakes (ABCB30) for these chemicals, a large 55 US gallon hazmat spill overpack (ABCE55), Magic Monkey mineral granules (ABGMM225), a 10 lb ABC dry powder (EXABC10) extinguisher, a 10 lb BC-rated (EXCO10) extinguisher and 28 in traffic cones (EPTCONE28B) to mark off the perimeter. For a driver working in isolation: the type 1 personal (TR01) first aid kit suits an isolated worker with no access to another kit, a vehicle with 1 to 5 workers, or a vehicle with more than 5 workers less than 30 minutes from medical services; for a vehicle with more than 5 workers more than 30 minutes from medical services, provide the type 2 basic (TR02M) first aid kit. Complete the truck's equipment with a portable road safety kit (TR16) and the set of three removable reflectors (EPTR) to signal a stopped vehicle.

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