Products & ReviewEnvironmental

Proficiency Testing

PT samples have to be right. Your laboratory’s accreditation is at stake, so anything less than 100% confidence is just not good enough. That’s why we bring over 25 years of multidisciplinary reference material manufacturing and certification experience into every step of our process. And that’s why our analytical validation specifications are more stringent than the current TNI standards.

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ZeptoMetrix - Analytical Reference Material

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We offer Proficiency Testing products for a variety of testing schemes for both quantitative and qualitative test performance. Proficiency Testing studies are designed for your convenience and success.

What really matters to you:

  • ISO 17043 accredited PT Express™ studies on your schedule.
  • Simple on-line reporting
  • No limits on the number of analysts or number of methods you report
  • PT Studies for Environmental, Food & Ag, Cannabis & Hemp

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