In December of last year, the Metro Vancouver Regional District issued a media release noting that large nitrous oxide cylinders being thrown out are dangerous, causing explosions at the regional waste-to-energy facility, damaging equipment, and endangering workers' safety.
People can recycle gas cylinders, such as nitrous oxide cylinders, for free by dropping them off at a Metro Vancouver Recycling and Waste Facility. While the Regional District has seen a sizable increase in people recycling these cylinders since the media release, they are still being thrown in the garbage, and explosions continue.
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| Post Combustion Nitrous Oxide Cylinders. Select the image to enlarge. |
Nitrous oxide cylinders are typically used for whipping cream chargers and are small in size. When used, the cylinder is punctured, which depressurizes the container, removing the risk of explosion when it is recycled or accidentally thrown into the garbage. The nitrous oxide cylinders of concern are larger and are sold in many vape shops in our region and online. They do not have pressure release valves. These larger containers are typically not used for making whipped cream.
The Regional District is seeking to ask the federal government to prohibit the import and sale of large single-use valved nitrous oxide cylinders. The current ad hoc approach by Health Canada to recalling these products appears to be on a retailer-by-retailer basis, which is ineffective. A quick search online shows that there are many vendors able to ship to addresses in our region.
It will be interesting to see what actions, if any, the federal government will take.






