Listeria monocytogenes is a powerful and persistent pathogen responsible for numerous recalls and foodborne illnesses each year. With its ability to survive in extreme conditions—high salt, low moisture, and even freezing temperatures—it’s one of the most challenging bacteria to control in food processing environments. Because listeria is so resilient and can be found in soil, water, and animals, it can easily make its way into processing plants, leading to costly contamination risks if not carefully managed.

This is where effective, professional sanitation teams at PSSI play a vital role. By partnering with our experts who specialize in sanitation for food processing, plants can minimize the risk of contamination and protect their products, customers, and their brand.

Why Outsource Sanitation?

For many food companies, outsourcing sanitation services to experienced providers allows for a united partnership focused on the prevention of microbial risks. Specialized sanitation teams bring advanced knowledge, a skilled team, and chemical programs designed to stop bacteria like listeria from taking hold.

Here’s how PSSI supports your facility:

1. Controlling Airborne Contaminants
   Construction, nearby fields, or landscaping work can disrupt soil and send listeria into the air. Air that enters a facility can be a microbial risk. As such, air handling units and ventilation systems must be kept in a sanitary manner. Our sanitation team can help maintain cleanliness of the air through effective Master Sanitation Schedule performance on these systems. They can also implement protocols for sanitizing common entry points in high-risk areas.
2. Reducing Cross-Contamination from Employees
   Workers coming in from outdoors or other environments may carry contaminants on their shoes and clothing. Our Site Managers ensure that stringent Good Manufacturing Practices, such as handwashing and clean outerwear requirements, are regularly enforced. We train our teams on best practices to limit bacterial spread within the plant, ensuring everyone plays a role in maintaining a clean environment.
3. Managing Condensation Risks
   Temperature changes inside the plant can cause condensation, which then supports the growth of listeria. With proactive sanitation from PSSI, these risks are reduced by removing condensation from high-risk areas.
4. Meeting Demands Without Sacrifices
   When production is high, it’s tempting to rush cleaning processes to keep up. But skipping proper sanitation steps can lead to contamination risks and costly recalls. An outsourced sanitation partner like PSSI has the competence and high standards to ensure every area is fully sanitized without compromising output.

Advanced Tools and Technology for Listeria Control

In addition to routine sanitation practices, outsourcing partners bring the latest in cleaning technology to address listeria risks:

• Rapid Detection and Monitoring: Our sanitation teams can use rapid hygiene monitoring like ATP testing to identify contamination risks, allowing for quick corrective action.
• Data-Driven Insights: Our expert food safety team can share their skills and experience by providing data analysis and trending of microbial testing results. With collaborative data-sharing, sanitation experts can help investigate and manage contamination situations, further supporting microbiological control efforts.
• Innovation in Sanitation: Whether it is the use of dry-steam or a new antimicrobial coating, PSSI is continually working to build and enhance tools in the toolbox. Understanding that every facility is unique and requires custom-fit solutions is a sign of true partnership in sanitation.

Protecting Your Brand

Preventing contamination from Listeria monocytogenes isn’t just about compliance—it’s essential to food safety and protecting your brand’s reputation. Outsourcing sanitation to experts not only strengthens your defense against contaminants, but also reinforces your commitment to quality and safety. With the right sanitation partner, you can ensure a clean, compliant, and safe processing environment that helps protect both your products and your customers.