The Laboratoire de l’Environnement et de l’Alimentation de la Vendée (LEAV) is a laboratory operated by the Vendée Departmental Council. Established as a departmental laboratory in 1952, it provides a range of analysis and support services for food, animal health, and the environment. Its work includes food quality testing and sensory analysis, water and environmental analysis, and animal health services. The laboratory also offers training, audits, and advice, and invites people to become sensory evaluators. Its stated priorities include technical competence, responsiveness, availability, and high-quality services.

LEAV holds ministerial approvals and COFRAC accreditation, and is approved by relevant authorities for official control activities. Its services include analyses for well water and testing related to food products, including the determination of inorganic arsenic in marine- and plant-based foods. The laboratory shares updates about its accreditations, investments, and activities, and provides online access to results and payment. Based in La Roche-sur-Yon, LEAV serves organisations and users seeking laboratory analyses and expertise across its areas of activity.