closure criteria
nounPronunciation: /ˈkloʊʒər kraɪˈtɪriə/
Specific measurable standards that must be achieved before a mine site can be considered successfully reclaimed and released from regulatory oversight.
Full Definition
Closure criteria are predetermined, quantifiable benchmarks established by regulatory agencies and mine operators that define successful completion of mine reclamation activities. These criteria typically address slope stability, vegetation establishment rates, water quality parameters, soil chemistry, and long-term maintenance requirements that must be demonstrated before a mining operation can be released from its reclamation obligations. The criteria serve as objective measures for evaluating reclamation success and determining when regulatory bonds can be released and long-term monitoring requirements concluded.
Plain English
The specific goals and measurements that prove an old mine site has been properly cleaned up and is safe for future use.
In Editorial Context
In editorial work, refers to the clear communication of complex regulatory requirements and the documentation of compliance achievements, often requiring translation between technical specifications and public understanding.
Etymology & History
Emerged as mining regulations evolved to require objective, measurable standards for determining successful mine closure rather than subjective assessments.
Originally simple physical standards; now encompass complex ecological and geochemical parameters reflecting improved understanding of mine impacts.
Usage
"The state agency revised the closure criteria to include more stringent vegetation cover requirements and extended monitoring periods for groundwater quality."
Usage note: Always use plural form 'criteria'; singular 'criterion' refers to individual standards within the overall criteria.
Context: regulatory compliance, mine permitting, reclamation planning
Region: international
Also known as
Contrasted with
Don't confuse with
Often confused with closure plans (the procedures) rather than the specific measurable outcomes that define success.