The role of the PHI/EHO includes preventing disease, promoting health and improving the environment through the use of education, consultation, inspection and monitoring techniques and, if necessary, by the enforcement of health legislation. The scope of interest covers food hygiene, insect and rodent control, communicable disease investigation, public accommodation, community care facilities, public recreational facilities, water supply and waste disposal systems, occupational health and safety and environmental pollution - air, water, soil and noise. The graduate provides leadership and technical expertise in the development of long-range planning to protect and improve the public's health.