About IAS Labs

With over 40 years of excellence, IAS Labs (Inter Ag Service Inc.) has been a trusted leader in agronomic and environmental testing, delivering precision and reliability to farmers, businesses, and researchers across the Southwest and beyond. Founded by Dr. Paul Eberhart and his wife Sandy, IAS Labs was built on a foundation of scientific expertise and dedication to the agricultural community. After 25 years of leadership, Sheri McLane took the helm in 2007, ensuring the laboratory’s continued growth and innovation.

As an ISO 17025-accredited laboratory, IAS Labs upholds the highest standards of analytical quality, providing accurate and dependable testing for soil, plant matter, and drinking water. Our services have expanded to include comprehensive agronomic analysis, general chemistry testing, and specialized research & development (R&D) in chemistry. Under Sheri’s leadership, the lab has continued to adapt and innovate, meeting the evolving needs of its clients with cutting-edge methodologies and a commitment to excellence.

Today, IAS Labs serves clients worldwide, offering drinking water analysis, soil and plant nutrient testing, general chemistry assessments, and chemistry R&D services. Our mission remains the same: to provide scientifically rigorous results with speed, reliability, and integrity—empowering clients with the data they need to make informed, sustainable decisions.

Sheri K. McLane M.Sc President and Agronomist
Daniel McLane M.B.A. Business Manager