Acid Sulfate Soil Investigation

Brief: Undertake an Acid Sulfate Soil (ASS) investigation to determine whether actual acid or potential ASS were present at the low lying coastal site.

Problem: It could not be determined whether soil at the site contained reduced inorganic sulfur (i.e. acid sulfate soils) as there was large gaps in data.

Action: EE undertook fresh site and soil investigations and followed a different testing methodology .

Outcome: EE was able to conclude that there was no iron sulfide minerals (pyrite) at the site capable of oxidizing under aerobic conditions. Therefore an ASS management plan was not required.