Lead testing and exposure monitoring
Lead is still a hazard in many New Zealand workplaces, particularly construction, demolition, radiator repair and battery recycling. Lead paint is common in buildings from before the 1980s, and sanding, cutting or stripping it during renovation or demolition releases lead dust.
A MAIOH-qualified occupational hygienist takes the samples, using calibrated personal sampling pumps for air and standard wipe methods for surfaces. Samples are analysed by IANZ-accredited partner laboratories, with a documented chain of custody.
Services provided
- Personal air monitoring for lead, compared with the workplace exposure standard
- Surface wipe tests for lead dust
- Lead paint testing and risk assessment
- Site investigation reports to AS/NZS 4361.2:2017
- Advice on clean-up and on controlling exposure
When to get a lead assessment
A lead assessment is worth doing:
- before renovating or demolishing a building from before the 1980s
- wherever materials containing lead are cut, sanded, welded or recycled
- to set a baseline for workers' exposure
- after a clean-up, to confirm the area is clear