To become an Environmental Health Officer (EHO) in England, you need to successfully complete an HCFPI course accredited by the Chartered Institute of Environmental Health (CIEH). The course covers food microbiology, food science and technology, food law and criminal law, building construction and building services in relation to food businesses, and risk assessments.

An environmental field technician performs laboratory and field tests to monitor the environment and investigate sources of pollution, including those affecting health. They work under the supervision of environmental scientists and specialists, who direct their work and evaluate their results.

An environmental health and safety technician is responsible for conducting laboratory and field tests to monitor the environment and investigate sources of pollution. They collect samples of gases, soil, water, and other materials for scientific testing under the direction of an environmental health and safety manager.

The job of an environmental health and safety technician in the UK is to enforce environmental health laws, investigate accidents at work, investigate noise and environmental nuisance complaints, provide advice to community groups or businesses, and give educational talks to improve people's health. They may also give evidence in court.