Glossary P
A probability sample is a sample chosen in such a manner that the probabilities of including the selected units in the sample are known, and all population units have a positive probability of selection.
A Probability-Based Sampling is a method of specimen collection such that the relative probability of a significant constituent is being included in the specimen is mathematically predicable.
Deutsch: Prozess / Español: Proceso / Français: Processus / Italiano: Processo
A Process is a set of interrelated or interacting activities which transforms inputs into outputs.
Deutsch: Produkt / Español: Producto / Português: Produto / Français: Produit / Italiano: Prodotto
In this glossary products are mostly items made from raw or recycled materials; people buy and use these items everyday.
Deutsch: Produktion / Español: Producción / Português: Produção / Français: Production / Italiano: Produzione /
In the environmental context, "production" refers to the process of manufacturing or creating goods, resources, or energy. Production has significant environmental impacts, including resource depletion, pollution, and greenhouse gas emissions.
A Proficiency Test (PT) is a type of external assessment in which a stable sample, the composition of which is unknown to the analyst, is provided to determine whether the analyst/laboratory can produce analytical results within the specified acceptance criteria. Also known as a Performance Evaluation Test.
A Proficiency Test Sample is a test specimen that mimics an actual specimen in all possible aspects, except that its composition is unknown to the laboratory at the time of analysis, which is used to assess the laboratory"s capability to produce results within acceptable criteria.
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