Smokers inhale more tar, nicotine and carbon monoxide when measured with WHO method RIVM has measured the amount of tar, nicotine and carbon monoxide (TNCO) in all filter cigarettes sold in the Netherlands with the WHO Intense method.
Air quality Sint Maarten landfill At the beginning of 2019, RIVM measured the air quality around the landfill at Philipsburg, Sint Maarten for two weeks. No or hardly any harmful substances were measured.