The National Science Laboratories (NSL) located in Gastonia, NC, Blakely GA, and Winter Haven FL, are full service laboratory testing facilities assisting producers and stakeholders in meeting international regulatory requirements, domestic purchase specifications, and imported product testing requirements. NSL offers a wide range of food and fiber product testing, chemical, microbiological, biomolecular and physical analyses of poultry and poultry products, egg products, dairy products, fish, meat and processed meat products, fresh processed fruits and vegetables, and domestic and imported tobacco, and other agricultural products.

NSL supports the USDA's commodity program areas with centralized scientific expertise. The professional staff of chemists, microbiologists, molecular biologists, laboratory technicians, and administrative and management staff have established a high level of quality assurance and concordance, while applying the latest analytical technology to a broad range of agricultural products.

The laboratories’ scopes of accreditation to the ISO/IEC 17025:2005 standard may be obtained upon request or through a search of accredited organizations (www.a2la.org).