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Laboratory Testing Articles

Soil Results: Benchmarks, Background Concentrations, and What It All Means
Got your soil test results? Learn what high levels mean, how to compare to EPA benchmarks, and when background concentrations are normal.
SimpleLab Quality Assurance and Quality Control
Discover how SimpleLab upholds scientific integrity through rigorous quality control, calibration, and standardized laboratory testing procedures.
Laboratory Proficiency Testing Explained: How PT Programs Ensure Accuracy & Accreditation
Learn how proficiency testing works, why labs must pass PT rounds, and how PT ensures accuracy, reliability, and ISO/NELAP accreditation.
SimpleLab: Laboratory Certifications Explained
Learn how environmental lab certifications like ISO 17025, NELAP, and state ELAP programs work, and how to confirm a lab’s current accreditation status.
Benefits of a Laboratory Network
Discover how SimpleLab connects you to 200+ certified labs for faster turnaround, broader testing options, and lower costs—across water, soil, air, and more.