Dust deposition is monitored on a monthly basis via dust gauges located at four locations around the Maroota area including Maroota Public School. Sites 1 to 3 relate to the EPA Licence No. 3407 and can be found in the Hitchcock Road AEMR. Site 4 relates to EPA License No. 3829 and can be found in the Pit 5 AEMR.
The results are reported to the EPA annually in the form of an Annual return. The EPA set a limit of 4 grams/m2/month for insoluble solids averaged over a 12 month reporting period.