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Proficiency Testing

We provide proficiency testing schemes with localised support across a truly global network to over 13,000 laboratories in more than 160 countries, conducting over 1,700 proficiency tests each year. Proficiency Testing (PT) is a requirement for accreditation to ISO/IEC 17025 and ISO 15189.


At LGC we operate PT schemes across the food, beverage, environmental, clinical, pharmaceutical, consumer safety, forensic and petroleum sectors – your laboratory will get the support it needs in demonstrating the effectiveness of your quality system.


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Testing for SARS-CoV-2?

Ensure the quality and reliability of your analytical results with our range of new SARS-CoV-2 PT samples for molecular, serological and hygiene testing.

Discover more
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PT webinar series

Catch up on our FREE webinar series giving you the knowledge base and insight you need to make proficiency testing a valuable and critical part of your quality assurance systems.

View webinars
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New COSMETICS sample

COSMETICS 31, Preservatives in Mascara, is designed to help your laboratory demonstrate the effectiveness of your testing for parabens preservatives, including Benzoic acid and Methylparaben, in mascara matrices.

View now
  • Testing for SARS-CoV-2?

    New range of SARS-CoV-2 proficiency testing samples available!

  • PT webinar series

    Catch up on our FREE webinar series detailing everything you need to know about PT

  • New COSMETICS sample

    Demonstrate the effectiveness of your testing for parabens preservatives in mascara


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