360 Dust Analysis - VegeSafe and DustSafe. Citizen Science.
www.360dustanalysis.com
VegeSafe and DustSafe are community science participation programs run by Environmental Science staff at Macquarie University.

This service is free via the EPA - apply through GardenSafe in Victoria and VegeSafe for the rest of Australia). The only cost is postage. You may choose to donate but it’s not compulsory.