picture of beakers in a lab

National Science Laboratories

AMS’ National Science Laboratories (NSL) provides objective, timely, and cost‐effective testing services with accurate and unbiased results to facilitate marketing of agriculture and food products. Through a network of laboratories, located in Gastonia, NC, Blakely, GA, and Winter Haven, FL, NSL offers a wide range of analytical testing services on a fee-for-service basis.

NSL is proficient in food and residue chemistry, mycotoxin analysis, microbiology, and molecular biology.  Examples of commodities tested by NSL include citrus, tobacco, olive oil, peanuts, eggs, poultry, honey, bee hive matrices, military rations, and numerous other ingredients, commodities and finished products.

  • NSL has the experience and flexibility to service a large client base and their diverse testing needs. NSL provides testing service for AMS commodity programs, other USDA agencies, Federal and State agencies, US Military, research institutions, and private sector food and agricultural industries.
  • The customer is NSL’s core focus. NSL’s services are tailored for the customers to help them meet their needs.
  • NSL’s well-trained, experienced, and conscientious staff members provide excellent, personalized customer service. Collectively, the NSL staff has over 500 years of analytical testing experience.

To assist you in your testing needs, the table below details the testing services offered at each NSL location.

Gastonia, NCBlakely, GAWinter Haven, FL

ISO/IEC 17025:2005 Accredited 

Food Chemistry
Residue Chemistry
Microbiological
Bio-molecular
Numerous food and agricultural commodities

ISO/IEC 17025:2005 Accredited

Aflatoxin Analysis in Peanuts
Food Chemistry in Peanut Oils

Food Chemistry in Imported and Domestic Citrus Juice

If you would like to learn more about the National Science Laboratories (NSL), request testing service, or provide feedback, please contact us at NationalScienceLaboratories@ams.usda.gov.

NSL welcomes feedback from current and prospective customers. Let us know how we are doing or provide input on future services.  In addition to the email above, you may also contact any of the NSL managers.

For more information, contact:

Roger Simonds, Lab Chief
National Science Laboratories, Laboratory Approval and Testing Division
Science & Technology Program
801 Summit Crossing Place, Suite B
Gastonia, NC 28054
Phone: (704) 867-3873 (Main)
Phone: (704) 833-1525 (Direct)
Fax: (855) 296-1230
Email: Roger.Simonds@ams.usda.gov