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If you suspect meth contamination in your property, contact us today.

Methamphetamine assessments

Managing methamphetamine risk in New Zealand properties

Methamphetamine contamination can create significant health and safety risks for occupants. Even low levels of residue from smoking or manufacturing can remain on surfaces, soft furnishings, appliances and within porous building materials. These residues may contribute to headaches, respiratory irritation, sleep disruption, skin problems and other long-term health effects. Because contamination is not always visible, professional testing is essential to determine whether a property is safe.

In New Zealand, guidance on methamphetamine contamination is provided by the Ministry of Health and supported by requirements under the Residential Tenancies Act. Landlords and property managers must ensure that rental homes are safe and not contaminated to a level that could affect occupants. The New Zealand Standard NZS 8510:2017 outlines accepted methods for sample collection, analysis, assessment, remediation and clearance. It also sets recommended maximum residue levels that support informed decision making around decontamination.

Methamphetamine management

FAQs

  • When is methamphetamine testing required in New Zealand?

    Methamphetamine testing is typically required when there are concerns about contamination from past use, manufacture or occupancy. It is commonly undertaken for property transactions, tenancy changes or workplace health and safety assessments.

  • How do I know if a property should be tested for methamphetamine?

    Testing is recommended where there are indicators such as unusual staining, chemical odours or a history of suspected drug use or manufacture. It is also commonly used as a precaution in rental properties and commercial facilities.

  • Can contamination impact property value or occupancy timelines?

    Yes. Methamphetamine contamination can impact both property value and the ability to safely occupy or lease a space. Where elevated levels are identified, remediation may be required before the property can be reoccupied, which can delay transactions and leasing timelines.

Our meth assessment services

ALS provides a full range of methamphetamine testing services across New Zealand. Our assessments are structured to meet the needs of homeowners, landlords, insurers and property managers, while helping to deliver clear and defensible results.

Screening assessment

A preliminary assessment used to determine whether methamphetamine contamination is present, this option provides a straightforward indication of risk and helps determine whether further investigation is required.

Detailed assessment

A comprehensive investigation helps identify the extent and distribution of contamination throughout the property. This includes mapping affected rooms, quantifying residue levels and providing information that supports remediation planning.

Post-decontamination assessment

An independent assessment is completed after remediation work. Surface samples are collected to confirm that cleaning has been effective and that residue levels fall within acceptable limits before a property is reoccupied.

All assessments are completed by trained and competent personnel following the procedures described in NZS 8510:2017. ALS is accredited by IANZ (ISO/IEC 17020:2012) for surface swabbing for methamphetamine contamination, using the NIOSH 9111 analytical method to help deliver reliable and consistent results.

FAQs

 
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