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you innovate with success

As a leading global provider of microbiological and analytical lab testing, we know that compliance is critical and every test matters. Our commitment to upholding the highest standards and building strong customer partnerships is driven by our shared desire to improve and save lives.

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Nelson Labs offers:

Complete confidence

Your products help save lives, our tests help make that possible. Our track record and reputation for quality and reliability set us apart.

Exceptional service

We provide personalized service for every client and every project with our worldwide network of labs and facilities. We know that timely turnaround, superb quality and working with a provider who understands your needs are critical to a long-standing partnership - and that’s why 99.4% of our sales orders are from repeat customers.

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An Industry-leading expert

We understand your business and the challenges you face. In fact, our experts sit on the standards committees and have created many of the tests you rely on. Learn from our experts.

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End-to-end solutions

We are the only comprehensive provider of mission-critical services. Our expert advisors can guide you along your product development lifecycle to ensure the safety of your product.

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News & Events

Blog

Through the Lens of GC/QTOF: Tracking Down Impurities in Ophthalmics

Posted: November 10, 2025

Blog Post 9 – Through the Lens of GC/QTOF: Tracking Down Impurities in Ophthalmics 3 min reading time In the development of ophthalmic drug products, impurity profiling is essential to ensure long-term safety and regulatory compliance. While many impurities are well-characterized, unexpected compounds can emerge—particularly after formulation changes—requiring a flexible and multi-technique analytical approach. In...

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Published Articles

USP 1119 and 1119.1: The Future of Risk-Based Bioburden Testing Standards

Posted: November 5, 2025

Through this conversation, Christine Walton helps clarify the intent and application of USP <1119> and <1119.1>, positioning them not as prescriptive rules but as flexible, risk-based frameworks for modern bioburden testing. She emphasizes that true compliance and control come from scientific justification and process understanding, ensuring manufacturers can adapt their methods with confidence, precision, and...

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Seminars + Events

Intoduction to the Validation of Sterile Medical Devices San Jose 2025

Event date: November 11, 2025

Learn how to achieve more successful testing outcomes by attending our Introduction to the Validation of Sterile Medical Devices seminar in San Jose, California. The aim of this three-day seminar...

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