Thought to have been invented in the early 1980s by the Tamil Tiger separatists in Sri Lanka
No smoking during refilling or emptying
Chen, J., Messer, K., Pierce, J
To compare this with another Nordic country, some 13 percent of Norwegians are daily smokers
9 100s) 8
Environmental pollutant Butts (cigarette residues: filters), also called fourth-hand tobacco, constitute an important source of environmental pollutant since they contain toxins that can leak into the soil and water (pesticides, nicotine, cotinine, tar, carcinogens, metals, ethyl -phenol, ethylene glycol, menthol and rare earth elements, constituting the so-called emerging pollutants [which are already recognized as a global phenomenon]) characterized by their slow degradation.3,15 To conclude, there is evidence that cigarette filters do more harm than good