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CH3041
MANAGEMENT
Hierarchy of managing acid sulphate soils
1. minimise disturbance  - pick another site
     or minimise excavation.
Mitigation :
2. prevent oxidisation - place ASS into an
     anaerobic environment below watertable.
3. treat to reduce acidity - mix with excess 
    agricultural lime (pH 8.2), a slow process
Environment Protection Act approved
Remediation :
4. re-use : after hastened oxidation
5. dispose : managed dump sites
Lime = CaO