We offer the broadest selection of analytical standards and proficiency testing for botanical analysis, ensuring accuracy in your testing processes. We proudly provide the industry with quality, accuracy, ease of use, and an extensive offering for all your testing needs! We offer ISO 17034 Certified Reference Materials (CRMs) for common contaminants such as pesticide residues, residual solvents, and heavy metals, as well as qualitative analysis CRMs. As the industry continues to evolve, we continually update our product offerings to match pace.