Groundwater Remediation
OTEK Remediation has undertaken and completed groundwater remediation works on numerous sites across the country. 
Groundwater contaminated with heavy metals, hydrocarbons, pesticides, chlorinated compounds and other contaminants are a common problem associated with types of sites such as
- Service stations
- Depots
- Terminals
- Refineries
- Paint, Chemical and other manufacturing
- Mining facilities
- Landfills
Remediation technologies utilised by OTEK have included:
- Multi-Phase Extraction (semi-permanent or mobile)
- Soil Vapour Extraction (SVE)
- In-situ Air Sparging (AS)
- Pump and Treat
- In-situ Bioremediation and Monitored Natural Attenuation
- Chemical oxidation or reduction
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