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Testing types include acute (short-term exposure), chronic (life span) and bioaccumulation tests. [9] Many industrial facilities in the US conduct "whole effluent toxicity" (WET) tests on their wastewater discharges, typically in combination with chemical tests for selected pollutants.
A purple sea urchin being tested for pollution using a whole effluent toxicity method.. Aquatic toxicology is the study of the effects of manufactured chemicals and other anthropogenic and natural materials and activities on aquatic organisms at various levels of organization, from subcellular through individual organisms to communities and ecosystems. [1]
Organisations in the United States, such as EPA. offer guidance on developing a monitoring program and identifying members of these and other aquatic insect orders. Many US wastewater dischargers (e.g., factories, power plants, refineries, mines, municipal sewage treatment plants) are required to conduct periodic whole effluent toxicity (WET ...
They are also working with researchers at New Mexico State University to conduct human health risk assessments and whole effluent toxicity testing to determine safe levels.
These procedures, called whole effluent toxicity tests, include acute toxicity tests as well as chronic test methods. [5] The methods involve exposing living aquatic organisms to samples of wastewater for a specific length of time.
On 5 March 2018, the Pennsylvania Department of Environmental Protection announced to collect a $600,000 penalty from Eurofins QC, LLC (Eurofins QC in Montgomery County, Pennsylvania) for falsifying whole effluent toxicity test (WETT) results. [25]