Glossary
Glossary of Terms
- CAP
- Central Arizona Project
- CEQ
- Council on Environmental Quality
- Cienega
- A marshy area where the ground is wet due to the presence of seeps or springs, often with standing water and abundant vegetation. The term is commonly used in arid regions of the southwestern U.S.
- Cienega
- A marshy area where the ground is wet due to the presence of seeps or springs, often with standing water and abundant vegetation. The term is commonly used in arid regions of the southwestern U.S.
- Clean Air Act of 1972, as amended
- Federal legislation governing air pollution. The Clean Air Act established National Ambient Air Quality Standards for carbon monoxide, nitrogen dioxide, ozone, particulate matter, sulfur dioxide, and lead. (42 USC 7401 et seq.)
- Clean Air Act of 1972, as amended
- Federal legislation governing air pollution. The Clean Air Act established National Ambient Air Quality Standards for carbon monoxide, nitrogen dioxide, ozone, particulate matter, sulfur dioxide, and lead. (42 USC 7401 et seq.)
- Clean Closure
- Implementation of all actions specified in an Aquifer Protection Permit (APP), if any, as closure requirements, as well as elimination to the greatest degree practicable of any reasonable probability of further discharge from the facility and of exceeding aquifer water quality standards at the applicable point of compliance. Clean closure can also mean post-closure monitoring and maintenance are determined to be unnecessary to meet regulatory requirements (A.R.S. 49-201.5).
- Clean Closure
- Implementation of all actions specified in an Aquifer Protection Permit (APP), if any, as closure requirements, as well as elimination to the greatest degree practicable of any reasonable probability of further discharge from the facility and of exceeding aquifer water quality standards at the applicable point of compliance. Clean closure can also mean post-closure monitoring and maintenance are determined to be unnecessary to meet regulatory requirements (A.R.S. 49-201.5).
- CNF
- Coronado National Forest
- Code of Federal Regulations (CFR)
- The compilation of federal regulations adopted by federal agencies through a rule-making process.
- Concentrator
- Facility where ore is crushed, ground, and separated to produce a highly concentrated ore.
- Core Area
- A component of natural habitat composed of “contiguous blocks of uniform habitat types away from natural breaks or habitat edges” (Weller et al. 2002), used to describe the inner part of the effect zone.
- Council on Environmental Quality (CEQ)
- An advisory council to the President of the United States established by the National Environmental Policy Act of 1969. It reviews federal programs for their effect on the environment, conducts environmental studies, and advises the President on environmental matters.
- Criteria Pollutants
- Air pollutants for which the Environmental Protection Agency (EPA) has established state and national ambient air quality standards. These include particulate matter (PM), nitrogen oxides (NOX), sulfur dioxide (SO2), carbon monoxide (CO), and volatile organic compounds (VOCs).
- Cultural Resources
- Areas, properties, or sites of importance to cultural groups. In addition to areas of importance for traditional uses or products, they include the remains of human activity, occupation, or endeavor, as reflected in districts, sites, buildings, objects, artifacts, ruins, works of art, architecture, and natural features important in human events.
- Cumulative Effects
- The impact on the environment which results from the incremental effect of the proposed action when added to other past, present, and reasonably foreseeable future actions regardless of who undertakes such actions. Cumulative effects can result from individually minor but collectively significant actions taking place over a period of time.
- Cut-off grade
- The lowest grade of mineralized material considered economic; used in the calculation of the ore reserves in a given deposit.
- Cyclone
- A cone-shaped device used to separate granular solids by size in a water slurry.
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