Laboratory Services
Expert mould analysis by qualified Mycologists and Occupational Hygienists
Building Material Analysis
Comprehensive analysis of surface samples and bulk building materials for mould identification and quantification. Our McCrone-trained analysts examine samples using brightfield and phase contrast microscopy to ASTM D7658-17 and ASTM D7391-20 methodology, providing detailed identification of mould genera and species present, along with semi-quantitative assessment of contamination levels in line with ANSI/IICRC S520-2024: Professional Mould Remediation.
Sample Types
- Clear tape lifts and bio-tapes from visible growth
- Surface swabs and dust samples
- Gypsum board and plasterboard
- Timber and framing materials
- Carpet, underlay, and insulation
- Wall linings and claddings
Air Quality Testing
Laboratory analysis of airborne spore samples to assess indoor air quality and identify mould contamination sources. Spore trap cassettes capture airborne fungal structures which are then examined microscopically, with results compared against industry guideline criteria including ACGIH (American Conference of Governmental Industrial Hygienists) guidance by our qualified Occupational Hygienists.
What We Provide
- Spore trap cassette analysis and quantification
- Indoor vs outdoor comparison to identify contamination sources
- Genus identification of mould taxa for use in potential health significance assessments
- Reporting using ACGIH criteria, and results compared with international industry guideline criteria
Interpretation
Results are compared against recognised industry guideline criteria including ACGIH bioaerosol assessment principles. Elevated indoor counts or different species composition compared to outdoor samples may indicate an indoor mould source requiring investigation.
Sample Submission
We accept samples from building consultants, occupational hygienists, loss adjusters, remediation contractors, property owners and site occupiers throughout New Zealand. All samples must be accompanied by our Chain of Custody document.
Submission Process
- Contact us to request a Chain of Custody form and sample submission kit
- Collect samples using appropriate methodology (tape lift, bulk material)
- Complete the Chain of Custody with sample details and site information
- Courier samples to our laboratory in a sealed zip-lock bag
- Receive results within 5 business days (priority options available)
Understanding Mould Health Effects
Mould growth in indoor environments affects both structural integrity and occupant health. Established mould produces spores as part of its lifecycle, contaminating air and surfaces. These spores can also support allergen-causing dust mite populations, compounding indoor air quality issues.
Health Implications
- Allergic reactions: sneezing, itchy eyes, skin irritation
- Respiratory effects: airway inflammation, asthma exacerbation
- Mycotoxin exposure: particular risk for immunocompromised individuals
- Specific conditions: Aspergillosis, Mucormycosis (in severe cases)
Note: Children, elderly, and immunocompromised individuals are particularly vulnerable to mould exposure.
Specialist Investigations
For complex cases requiring on-site expertise, our qualified Mycologists and Occupational Hygienists can provide specialist investigation services. This includes sensitive site sampling, expert guidance for insurance claims, and forensic determination of mould source and extent.
These services are available by referral and consultation. Please get in touch to discuss your specific requirements.