When seawater inundated the land thousands of years ago, the sulfates in sea water reacted with iron oxides in the soil. Under anaerobic conditions, bacteria in soils reduced these sulfate ions from the sea water and produced hydrogen sulphides. This in turn reacted with the iron in the soils to produce iron oxides (FeS2).
When Acid Sulfate Soils can be detrimental to the environment when exposed to atmospheric air through anthropogenic activities (excavation for construction purposes etc) or natural means (drainage of groundwater).
Environmental consequences from Acid Sulfate Soils include:
At K2 Consulting Group we assist our clients manage their Acid Sulfate Soils in an efficient way by offering the following services:
If unnoticed, Acid sulfate soils are usually dormant and does not indicate the contamination (typical colouration of soils from iron deposits) until excavation has occurred, but it is too late by then. If you suspect that your project can be affected by Acid Sulfate Soils, feel free to contact us to discuss about your scenario.
We maintain the confidentiality of our clients and their site related issues.