About 30,000 of the chemicals registered in the EU are frequently used in the workplace, from hairdressers to construction sites, from offices to the printing industry and agriculture.
In all sectors where working with organic materials such as soil, waste, fluids of organic origin and microbiological samples, for example in research laboratories, biological agents are found that can be rarely observed by the human eye so that many employees do not realize the true risks they assume them. Biological agents often encounter in the workplace are bacteria, viruses, microorganisms that fix nitrogen, fungi (yeasts and molds) and parasites. It is highly indicated that are used hazmat placards to take the necessary precautions or to warn the dangers of that substance that can make.