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Lead exposure: health risks and legal responsibilities in New Zealand

Lead is a hazardous metal that can cause serious health effects when inhaled or ingested. It is commonly encountered in New Zealand during activities such as welding, paint removal, metal fabrication, battery handling, renovation of older buildings and demolition.

Exposure may lead to a wide range of health issues, including:
  • Obstructive lung disease;
  • Damage to the kidneys and central nervous system;
  • Neurological impairment and reproductive effects
  • Anaemia and, in severe cases, acute lead poisoning.
Lead testing

Our lead testing services

ALS provides a complete range of lead assessment and monitoring services to support your regulatory responsibilities and help protect the health of workers, occupants and the wider community.

Occupational lead exposure monitoring:
  • Airborne lead testing – personal and static air sampling with results compared to the relevant Workplace Exposure Standards. This data is used to review the effectiveness of controls and confirm compliance with legislative requirements.
Residential and environmental lead assessments
  • Lead in indoor dust surveys – dust sampling within homes, schools, childcare centres and public buildings to assess potential exposure risks, particularly for young children.
  • Lead dust wipe testing – wipe samples collected from representative surfaces such as windowsills and high-contact zones to determine contamination levels and assist with clearance after remediation.
  • Lead paint testing – identification and assessment of lead-based paint prior to renovation, maintenance or removal activities, with reports including recommendations for safe work practices and containment measures.

All sample analysis is completed by an IANZ-accredited laboratory. Your technical report will include all findings, interpretation of results and clear guidance on corrective or remedial actions required.  

Whether you are managing an industrial site, commercial building or residential property, ALS provides reliable and compliant lead testing solutions to help ensure your environment remains safe and free from harmful levels of lead.

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