What is a 'risk-based cleanup' approach to contaminated site remediation?
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A
Cleaning all sites to the same background concentration regardless of intended land use
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B
Setting site-specific cleanup goals based on the actual risk posed to human health and the environment given the anticipated land use
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C
Cleaning only sites that pose an immediate threat of explosion or fire
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D
Removing all contaminated material until laboratory results show non-detect for all compounds