Ensure Accuracy with PTA’s Measurement Audits

Enhance your laboratory’s reliability with PTA’s Measurement Audits. Our audits follow the internationally accepted En ratio method for precise evaluations.

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    Sydney Office (Head office)

    Proficiency Testing Australia,
    PO Box 7507 Silver water,
    NSW 2128, Australia

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    Proficiency Testing Australia,
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    QLD 4064
    , Australia