Skip to main content
Basic Technical IVT Commonly tested

In Situ Remediation

noun

Pronunciation: /ɪn ˈsɪtuː ˌrɛməˈdeɪʃən/

Treatment of contaminated soil, rock, or groundwater at its original location without excavation or removal to another site. This approach minimizes disturbance to the landscape while reducing contaminant concentrations through chemical, biological, or physical processes.

Plain English

Cleaning up pollution directly where it exists without digging it up and moving it elsewhere.

Etymology & History

Origin languageLatin, English
Rootin situ (Latin: in place) + remediation (Latin remediare: to heal)
First recorded use1990s
Usage frequencyCommon

Usage

"The mining company selected in situ remediation using permeable reactive barriers to address groundwater contamination."

Style guide notes: Italicize 'in situ' as a Latin phrase; hyphenate when used as adjective (in situ-remediation approach).

Also known as

on-site treatment in-place remediation natural attenuation

Contrasted with

excavation ex situ remediation

Related Terms

Frequently Asked Questions

What are advantages of in situ remediation?

Lower costs, reduced disturbance, faster implementation, and minimal material handling compared to excavation methods.

When is in situ remediation not suitable?

High contamination concentrations, low permeability soils, or immediate exposure risks may require ex situ alternatives.

Why Test Candidates on This?

In situ remediation represents a major class of reclamation strategies evaluated in environmental compliance and cost-benefit analyses.

Required skill level: Mid

Editors from these organisations have used our services since 1998

Reuters BBC Oxford University Press Penguin Random House Springer Microsoft Suncor Energy United Nations Fisher Investments IBM The Home Depot KODAK CHEVRON