Gas measurements & degassing
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About gas measurements in containers
When shipping goods in closed containers, dangerous gases can accumulate during transport either released by the cargo itself (e.g. wood, plastics, electronics) or as a result of chemical treatments (fumigation).
Before opening or unloading these containers, a gas measurement is often required to ensure safe working conditions. In the Netherlands and many EU countries, these checks may be legally required under health and safety laws (e.g. Arbowet) or customs inspections.


When is a gas check or degassing required?
Gas detection is mandatory or highly recommended when:
- The container is sealed and has travelled long distances
- The cargo is treated with fumigants (e.g. for pest control)
- The shipment contains goods like shoes, textiles, electronics, wood or plastic
- Workers or warehouse staff could be exposed when opening
Even containers that appear “normal” can contain dangerous levels of gases such as formaldehyde, ethylene oxide, phosphine, toluene or carbon monoxide. We measure according to international exposure limits (e.g. TLV, NIOSH, European safety standards).
What does MOL Logistics offer?
MOL Logistics provides full-service container gas safety from certified on-site measurements to safe degassing and reporting. If gas levels exceed safety limits, we ventilate the container immediately using controlled methods, then issue a compliance-ready report for customs or internal use.
We advise on cargo types that may emit harmful gases (like shoes, furniture or electronics), and help you prevent future build-up with proactive planning.
All procedures follow applicable safety regulations and international exposure limits carried out by trained, certified professionals.