Glossary C

The Environmental Glossary. Letter C +++ Popular Articles: 'Condition', 'Contamination', 'Cover'

Deutsch: Leitfähigkeit / Español: conductividad / Português: condutividade / Français: conductivité / Italiano: conducibilità

Conductivity refers to the ability of a material to conduct an electric current. In the environmental context, it most commonly pertains to the conductivity of water, which is an important measure of water quality.

A Cone of Depression is a Depression in the water table that develops around a pumped well.

A Cone of Influence is the depression, roughly conical in shape, produced in a water table by the pumping of water from a well.

A Cone Penterometer Testing (CPT) is a direct Push system used to measure lithology based on soil penetration resistance.

The Conference of the Parties is the supreme body of the United Nations Framework Convention on Climate Change (UNFCCC).

A confidence coefficient is "The Probability statement that accompanies a confidence interval and is equal to unity minus the associated type I error rate (false positive rate). A confidence coefficient of 0.10 implies that 90\% of the intervals resulting from repeated sampling of a population will include the unknown (true) population parameter (QAMS 1993, 6).

A confidence interval is an interval defined by two values, called confidence limits, calculated from sample data using a procedure which ensures that the unknown true value of the quantity of interest falls between such calculated values in a specified percentage of samples.

A Confidential Business Information (CBI) is Material that contains trade secrets or commercial or financial information that has been claimed as confidential by its source (e.g.

A Confidential Statement of Formula (CSF) is a list of the ingredients in a new pesticide or chemical formulation.

A Confined Aquifer is an Aquifer in which Ground Water is confined under pressure which is significantly greater than atmospheric pressure.