An Assay is a test for a specific chemical, microbe, or effect.

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An assemblage is the set of related organisms that represent a portion of a biological Community (e.g., benthic macroinvertebrates).

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An assemblage structure is the make-up or composition of the taxonomic grouping such as fish, algae, or macroinvertebrates relating primarily to the kinds and number of organisms in the group.

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Deutsch: Bewertung / Español: Evaluación / Português: Avaliação / Français: Évaluation / Italiano: Valutazione /

An Assessment is a general evaluation process used to evaluate the performance, effectiveness and processes of a management and/or technical system, e.g., peer review, surveillance, and audits.
A systematic process of collecting and analyzing data to determine the current, historical or projected status of an organization.

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An assessment endpoint is Formal expressions of the actual environmental value that is to be protected (Suter 1990).

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Deutsch: Gutachter / Español: Evaluador / Português: Avaliador / Français: Expert / Italiano: Perito

Assessor in the environmental context refers to a professional or entity responsible for evaluating, analysing, and certifying environmental impacts, compliance, or conditions. Assessors play a crucial role in ensuring sustainable practices, regulatory adherence, and informed decision-making in projects or policies that affect the Environment.

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An Assimilation is the ability of a body of water to purify itself of pollutants.

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An Assimilative Capacity is the capacity of a natural body of water to receive wastewaters or toxic materials without deleterious effects and without damage to Aquatic life or humans

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An Association of Boards of Certification is an international organization representing boards which certify the operators of waterworks and wastewater facilities.

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An association rule unambiguously links a single resource sampling unit with a grid point.

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