CERIUM TESTING, LLC
OCALA, FLORIDA

Cerium Testing, LLC is a consulting company specializing in agricultural expertise, offering services on an international scale. Led by Principal Consultant John R. Washington, who possesses over two decades of global experience in agriculture and holds advanced degrees in plant pathology and entomology, Cerium Testing operates with a focus on agronomy, crop pest management, nutrition, field trials, market studies, GLP field study direction, and legal expert witness services. Based in Florida but renowned for its expansive network of professionals worldwide, the company provides sophisticated insights into complex agricultural environments. Cerium Testing is also home to a senior consulting partner with expertise in plant pathology, biochemistry, soil science, crop nutrition, and product development. A resident of Tucson, Arizona, this expert maintains a laboratory and greenhouse for ongoing research and has collaborated extensively with major vegetable producers across Mexico and the southwestern U.S. The company addresses significant concerns such as the impact of residual herbicide chemicals on crop production, offering detailed examinations to identify injury causes in legal disputes over agricultural damage. Cerium Testing is incorporated under Florida law since August 10, 2015, and holds a Florida Company Status with the home office located at 5375 SW 82nd St., Ocala, FL. The company maintains active operations as evidenced by its recent annual report for the year 2024, and remains readily accessible through their website at ceriumtesting.com.