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Proficiency Testing

We provide proficiency testing schemes with localised support across a truly global network to over 12,000 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.


New PORTAL features

PORTAL, our secure web-based reporting & analysis hub, has been updated with new features, including interactive reporting, improved user interface & a PT event calendar

Learn more

Testing for BPA?

Bisphenol A, used to make plastics since the 1960s, is subject to increasing regulation – our new proficiency testing sample can help confirm your BPA testing accuracy

Try the sample

Cheese scheme additions

Our accredited Quality in Dairy Chemistry (QDCS) proficiency testing scheme has been enriched with two new samples, cheese powder & Amino Acid Formula (AAF) infant formula

Explore the scheme
  • New PORTAL features

    Find out what’s new in PORTAL for 2019

  • Testing for BPA?

    New BPA sample to support your analysis

  • Cheese scheme additions

    Two new dairy chemistry samples available


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