Recycling

Recycling

The processing of used materials or waste into new products to prevent the waste of potentially useful waste material, reduce consumption of fresh material, as well as reduce energy consumption and environmental pollution.

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temporary maximum residue limit

Biology; Toxicology

Regulatory value established for a specified, limited time when only a temporary acceptable daily intake has been established for the pesticide concerned or, with the existence of ...

surrogate

Biology; Toxicology

Relatively well studied toxicant whose properties are assumed to apply to an entire chemically and toxicologically related class; for example, benzo(a)pyrene data may be used as ...

predictive validity

Biology; Toxicology

Reliability of a measurement expressed in terms of its ability to predict the criterion: an example would be an academic aptitude test that was validated against subsequent ...

plasmapheresis

Biology; Toxicology

Removal of blood from the body and centrifuging it to obtain plasma and packed red blood cells: the blood cells are resuspended in a physiologically compatible solution (usually ...

subchronic

Biology; Toxicology

Repeated over a short period, usually about 10 % of the life span; an imprecise term used to describe exposures of intermediate duration.

retrospective study

Biology; Toxicology

Research design used to test etiological hypotheses in which inferences about exposure to the putative causal factor(s) are derived from data relating to characteristics of the ...