The term REHEM is an acronym for the job title of a Registered Environmental Health Manager. This position is responsible for overseeing the environmental health and safety of a particular area or organization. They are responsible for ensuring that all regulations and standards are met, as well as providing guidance and support to staff and other stakeholders. The ALTER solution is a five-letter word meaning to change or modify something. This is an important skill for a Registered Environmental Health Manager, as they must be able to adjust their plans and strategies in order to meet the needs of their organization.