A registered sanitarian is a person who is trained and experienced in the field of sanitary science and technology and who is authorized to carry out the educational, inspectional and enforcement duties in the field of environmental health services. Environmental health is the science and art of controlling environmental hazards to preserve and improve the health, safety and well being of people. A registered sanitarian conducts inspections of various type of business that provide services to the public, including but not limited to restaurants, housing and institutions, waste management services, pest control, and recreational facilities. A registered sanitarian determines whether such businesses or facilities are in compliance with the state and local codes governing sanitation and environmental health. The minimum qualifications for registration as a sanitarian can be found in RL 174-RL177, Wisconsin Administrative Code. Any person seeking registration as a sanitarian shall submit a completed application for examination and submit evidence of their training and experience in the environmental health field.