TestQual's proficiency testing schemes are a useful and necessary tool that testing laboratories use to demonstrate their competence and quality assurance. Our proficiency tests helps to control and detect errors in the results of methods of analysis.

To start your application you can access the inscription form by clicking on the link at the bottom of the page. Then you will have to introduce your Limit of Quantification (LOQ) of CS₂  in µg/Kg.

If you have any question regarding the application or the operation of TestQual proficiency tests, you can check the instructions for participation below the calendar of schemes or you can contact us and we will gladly help you with anything we can:

Phone (+34) 868 94 94 86

Mobile phone 676 636 555

E-mail (jpnavarro@testqual.com) 

Filling in the contact form on our website.

Thank you for your trust in TestQual and our proficiency tests.