Workshops and Webinars

We will review the proficiency test rating system, examine germination and purity testing examples in depth, and briefly review other proficiency tests. ISTA uses tolerance tables to quantify acceptable levels of variability in replicated observations. We will review the mathematical foundations of tolerance tables, provide detailed examples for germination and tetrazolium tests, and briefly review tolerance tables for other tests.

To register, please click on the link below:

The aim of this one-hour webinar, is to address the following questions:

- Can the accreditation scope be extended or reduced after initial accreditation?
- When is a scope extension or reduction possible, and what requirements must be met?
- How can laboratories extend or reduce their scope while complying with the ISTA Accreditation Policy and Accreditation Standard?
- What evidence should be provided to ISTA auditors to demonstrate that the relevant requirements have been implemented?