Our high-quality certified reference materials provide a cost-effective solution without sacrificing analytical accuracy – a must for any lab and equipment manufacturer or distributor.
Meet 40 CFR 1090 requirements with standard and multi-property materials featuring highly accurate reference values and low uncertainty estimates.
Choose from a wide selection of product matrices and test methods for various properties at multiple levels, ensuring you receive the best reference materials to meet your laboratory’s quality assurance needs.


Use ASTM check standards to validate instruments and evaluate performance of your technicians. Train your staff with confidence using the highest-quality materials from a trusted source. Participating labs will receive:

As an ISO 17034-accredited Reference Materials Producer (Certificate Number: 4209.02), we offer both Certified Reference Materials and Reference Materials. Our team will work with you to help choose the materials that are right for your laboratory's current needs and budget. View our A2LA Scope of Accreditation to learn more.
Receive only high-quality, validated samples from a trusted testing provider
Improve precision and accuracy of testing
Reduce risk and increase production and efficiency
Promote confidence in your data with low estimates of uncertainty
Avoid product failures and complaints
Meet regulatory requirements and confirm compliance in real time
Demonstrate quality and boost credibility in the marketplace
Improve ROI on equipment and decrease overall costs
Provide more experience for analysts and lab technicians

Get the check standards you need delivered monthly or quarterly with convenient subscription plans. Avoid sample contamination and keep an inventory of materials on hand to meet regulatory and accreditation requirements.
Donate your your commercially-available bulk materials for use in our Proficiency Testing Program and receive the containerized reference materials you need in large volumes at a reduced cost. Contact us to get started.