Listeria monocytogenes Testing

RTE Foods, Dairy, Produce & Nuts

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FTS Laboratories provides Listeria monocytogenes testing for ready-to-eat (RTE) foods, dairy, produce, and nuts, where Listeria contamination risk is highest and FDA/USDA scrutiny is most stringent. Testing is available as presence/absence detection and, where required, quantitative enumeration, supporting both routine product release testing and environmental monitoring programs across processing zones. We test finished products, raw ingredients, and environmental swabs, helping facilities meet ongoing Zone 1-4 monitoring requirements as well as urgent needs following a positive result, customer complaint, or FDA/USDA hold. Whether you're clearing an RTE product for shipment, investigating a positive from another lab, or maintaining a facility-wide environmental monitoring program, our lab delivers timely, defensible Listeria monocytogenes testing results.