Subject of work, English-Croatian terminology analysis of chemical-biological health and life hazards of a working environment, is shown through separate display of chemical hazards in agricultural, medical and dental work environment, and then through separate display of biological hazards in the same sectors. Subsequently, legal and regulatory framework is displayed which directs handling and management of chemical and biological hazardous substances and gives instructions for action in prevention purpose, as well as action instructions in case of visible and tangible persistence of danger from chemical and biological agent. Ultimately, a glossary of the most common terms (English-Croatian) from the profession was composed. The terms are related to chemical-biological hazards and thus the paper and its goal are concluded. Namely, the paper presents the terms from the profession, that is, the ones that are most often used. As a conclusion it has been noticed that up to 50 % of terms in English have their own translation in Croatian and they are used equally, but there are also English terms that have been adopted in the Croatian language and they are used more often than the Croatian version.