Reading your lab report
A walk-through of a NSJ report: scores, species, and the interpretation our scientists add.
Guide coming soonHelp & Education
Understand mould & your health
Guides and resources from our scientists — what we test for, what the results mean, and how to make sense of your environment. We're environmental assessors: we look at the indoor environment and occupant exposure, with lab testing as part of the picture.
What ERMI actually measures
How the Environmental Relative Mouldiness Index scores 36 mould species from one dust sample — and what the number means for your home.
Read the guideHERTSMI-2 and re-occupancy
Using the 5-species HERTSMI-2 screen to decide whether a remediated building is ready to re-occupy.
Read the guideMould and your health
Plain-English background on mould, bacteria and water damage, and why occupant exposure — not just visible growth — is what matters.
Read the guideNot sure where to start?
Talk to a scientist — not a salesperson — and we'll point you to the right test or guide.