The safety data sheet lists the first-aid measures per substance that non-experts can take. This 'very first aid' should be followed-up as soon as possible by assistance provided by properly trained experts. In other words, assistance provided by, for example, qualified first aiders or in-house emergency officers, should be followed up with professional medical assistance provided by, for example, (company) nurses, (company) doctors or ambulance personnel.

Everyone should try to stay calm as much as possible and gain a rapid insight into the situation at hand. If you work to a set schedule, this will help when it comes to cooperating with other emergency staff. You should therefore always work in accordance with the following 5 points: