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Why it matters

RECs are the main findings of a Phase I. A REC does not prove contamination exists, but it signals that further investigation or cost may be warranted. De minimis conditions are not RECs.

Source: store.astm.org

Related terms

Controlled Recognized Environmental Condition (CREC): A controlled recognized environmental condition is a recognized environmental condition addressed to the satisfaction of regulators, with contamination left in place subject to required controls such as activity and use limitations.
Historical Recognized Environmental Condition (HREC): A historical recognized environmental condition is a past release addressed to the satisfaction of regulators that meets unrestricted use criteria, so the property carries no controls.
De Minimis Condition: A de minimis condition is an environmental condition that generally does not present a threat to human health or the environment and would not normally be the subject of an enforcement action.
Phase II Environmental Site Assessment: A Phase II Environmental Site Assessment is an investigation, often with soil, groundwater or vapor sampling, that evaluates whether substances are present at a property, following ASTM E1903.

Full glossary

Recognized Environmental Condition (REC)

Why it matters

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