Broad-scale risk maps for several coastal regions of WA are accessible via Landgate’s Shared Land Information Platform (SLIP) which delivers land-based spatial information.ASS data can be accessed through a number of Langate’s online services including. WA Atlas - free to use and can be accessed publicly with no registration required. Interest Enquiry - provides additional services including checking whether or not a property falls within a high or moderate risk class area. You can also order an Acid Sulfate Soil Risk Interest Report. Read More