Defra Network eTendering Portal · Awarded contract

Awarded

Aquatic Wildlife Impact Assessment of Granular Activated Carbon Wastewater Treatment

Awarded 09 Jan 2017

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Awarded09 Jan 2017

Value£24,988.70

SupplierCentre for Ecology & Hydrology

AgencyDefra Network eTendering Portal

RegionUnited Kingdom

CategoryEnergy & Environment

Ended 8y 11mo ago11mo term

Awarded 9 Jan 2017Expired 8 Dec 2017

About

Defra Network eTendering Portal awarded a contract to Centre for Ecology & Hydrology for assessing the response of aquatic wildlife to stringent wastewater tertiary treatment using granular activated carbon (GAC).

The scope included reviewing chemical determinands downstream of the sewage treatment plant (STP) for changes before, during, and after GAC treatment; evaluating habitat quality for invertebrates using macrophyte and River Habitat Survey (RHS) information; plotting macroinvertebrate scores (ASPT, BMWP) and family abundance over time; analyzing diatom community changes; and examining wildlife communities in relation to GAC operation.

Pearson product-moment correlations were used to test for statistically significant changes in wildlife against conductivity as a marker of GAC activity, and to determine whether any changes would be beneficial under the Water Framework Directive (WFD) scoring system.

The contract value was £24,988.7.

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