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Explore our practice-based research on food safety and safe water.

Food Safety

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Can Restaurant Managers Talk with Sick Workers? 3 Things Restaurant Managers Need To Know

Managers need to know if their workers are sick so they can decide if they should handle food. Do the Food Code, HIPAA, and ADA address this topic?

Photo of plastic bins full of tomatoes

Environmental Health Specialists Network (EHS-Net)

More than half of foodborne illness outbreaks are associated with restaurants. Learn about our research program to identify environmental causes of outbreaks in the restaurant setting.

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Public’s Beliefs that Restaurants Meals Made Them Sick

Read our study about people’s experience with and beliefs about foodborne illness.

Image of a thermometer and a piece of raw chicken.

Restaurant Food Handling and Food Safety Practices

Access studies on how restaurants handle specific foods (e.g., beef, poultry, eggs, tomatoes, leafy greens) and restaurant food safety practices (food cooling, food preparation, handwashing, sick workers, kitchen manager certification, and others).

Photo of a chef talking with a kitchen manager

Restaurant-related Foodborne Illness Outbreaks

Explore studies on the practices of restaurants with outbreaks and how they differ from restaurants without outbreaks.

Photo of a food worker taking the temperature of some food

Retail Food Safety Programs

Review studies about environmental health specialists’ practices during inspections and outbreak investigations and about whether certified kitchen managers cause fewer critical violations.

Safe Water

Decentralized Wastewater Management Research

Onsite Wastewater System Nitrogen Contributions to Groundwater in Coastal North Carolina [PDF – 476 KB]

Read this research article that evaluates nitrogen contributions from onsite wastewater systems to groundwater and surface waters to better understand the link of onsite systems, fate of nitrogen in the environment, and public health.

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Meteorological Influences on Nitrogen Dynamics of a Coastal Onsite Wastewater Treatment System

Read this 2-year research study about how on-site wastewater treatment systems can contribute nitrogen to coastal waters and why they are likely affected by weather events.