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Northern Rivers Toxicology Pty Ltd

The makers of Australia's only 100% Aussie made and owned drug testing buffer fluid verified to AS/NZS 4760:2019. We also provide expert services ranging from verifying devices through to appearing in legal matters.

Scientific Services

Northern Rivers Toxicology Pty Ltd is able to test any substance it receives (directly or through partner laboratories), and can verify drug testing devices to AS/NZS 4308:2023 and/or AS/NZS 4760:2019.

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Our spikes are usually limited to the default substances included in the Australian Standards however we are always happy to obtain specialised substances (i.e. add Oxycodone to a urine spike, or add opioids like Tramadol to an oral fluid spike).

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We also perform 'meth testing' of homes due to our close relationship with ResTech Laboratories. Sadly this is becoming a must do for landlords, real estate agencies, or even buyers.

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Expert Witness

Our Principal Toxicologist, Daniel Patterson, appears as an expert in complex criminal and civil trials.

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Daniel is able to accept briefs for the following courts:

  • Australian State/Territory Supreme Courts

    • Local/Magistrates Courts​

    • District/County Courts

  • Federal Court of Australia

    • Federal Circuit and Family Court of Australia​

  • Australian Federal Tribunals, including:​

    • Fair Work Commission

    • Administrative Appeals Tribunal​

    • Defence Force Discipline Appeal Tribunal 

  • High Court of Singapore

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Please send any briefs to daniel@forensictoxicology.com.au

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If you have a matter in a court not listed above, please do not send a brief but contact Daniel. He may consider appearing in other jurisdictions including state tribunals.

© Northern Rivers Toxicology Pty Ltd, 2025-2026

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