Welcome!

TNI offers a wide variety of training opportunities and certifications for professionals involved with environmental laboratories, field sampling and measurement organizations, and related industries. The TNI Credentialing System is used to apply for and maintain these certifications. Available credentials include:

  • Training Certificates of Completion (based on Examination)
  • Digital Badges that demonstrate proficiency in defined Knowledge, Skills, and Abilities
  • TNI Certified Quality Management Systems Professional (coming soon)

You may browse available training webcasts and digital badge options using the above menu. To purchase a webcast or apply to obtain a digital badge, you must create an account on our website. Create an account by clicking the Register link in the menu on the left. The system will then send you an e-mail with a link you must click to confirm your e-mail address. The IT Administrator will inform you when your account has been activated.

About TNI

The NELAC Institute (TNI) is a 501(c)(3) non-profit organization whose mission is to foster the generation of environmental data of known and documented quality.

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Upcoming Live Training

Building Excellence: Integrating Initial and Ongoing Training into Laboratory Operations
Webinar by Mary Johnson, 5/27/2026 11:00:00 AM


Environmental Laboratory Assessments - Basic Assessor Training: Virtual Event (June 2026)
Webinar by Marlene Moore, 6/22/2026 11:00:00 AM


Biochemical Oxygen Demand (BOD): From Sample to Report
Webinar by Mary Johnson, 6/30/2026 11:00:00 AM


Latest On-Demand Training

Introduction to TNI Assessments and Evaluations
Webcast by Marlene Moore


Managing Change to Minimize Risk and Increase Success
Webcast by Dorothy Love


Management Reviews - A Pathway to Improvement
Webcast by Silky Labie


Explore All Training Courses

Expand your knowledge and skills with our full catalog of on-demand training courses.

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