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Important: Reporting and scope of this weeks proficiency tests

Important: Reporting and scope of this weeks proficiency tests

Only for PTs with sample dispatch date on 18th June 2025 reporting of results should still be done on the previous data entry portal: SGS-iis: Oil, Gas & Chemicals or...

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New client portal

New client portal

  From June 3rd 2025 new iis client website! We are proud to inform you that this year, the Institute for Interlaboratory Studies is an accredited proficiency test provider for...

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