Glossary Q
A Quality Control Sample is one of any number of test specimens, such as a Proficiency Test or blank, intended to demonstrate that a measurement system or activity is in check.
Quality Improvement is a management program for improving the quality of operations. It is the application of a quality management system in managing a process to achieve maximum customer satisfaction at the lowest overall cost to the organization while continuing to improve the process.
A Quality Management Plan (QMP) is a document that describes an organization's system in terms of its organizational structure, policy and procedures, staff functional responsibilities, lines of authority, and interfaces for those planning, implementing, documenting, and assessing all activities conducted.
A Quality Management System is that aspect of the overall system of the organization that determines and implements the quality policy; the system that includes strategic planning, allocation of resources, and other activities (e.g., planning, implementation, documentation, and assessment) pertaining to the quality system.
The Quality Manual is a document specifying the quality management system of an organization.
The Quantitation Limit is the level above which numerical results may be obtained with a specified degree of confidence; the minimum concentration of an analyte, or category of analytes, in a specific matrix that can be identified and quantified above the method detection limit and within specified limits of precision and bias during routine analytical operating conditions.
Deutsch: Quartil / Español: Cuartil / Português: Quartil / Français: Quartile / Italiano: Quartile
A quartile is a statistical concept used to divide a dataset into four equal parts, each representing a portion of the data's distribution. In the environmental context, it is often used for analysing and comparing environmental data, such as Pollution levels, Temperature variations, or biodiversity indices, to identify trends, outliers, and disparities in datasets.