Source: https://tendernation.io/opportunities/01a13c93-1540-710b-8d7c-b90b0f9e6165/viability-of-developing-a-screening-tool-to-assess-non-standard-bioaccumulation awarded GB open procedure Suitable for SMEs # Viability of developing a screening tool to assess non-standard bioaccumulation potential of chemical substances in aquatic and terrestrial wildlife [Department for Environment Food & Rural Affairs](https://tendernation.io/buyers/department-for-environment-food-rural-affairs) Estimated value £20,000 Published 22 Aug 2022 Deadline Closed 16 Sept 2022 ## Who can bid - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. - Buyer says suitable for VCSEs The buyer ticked “suitable for voluntary, community and social enterprises” on the notice. - Small contract value Valued under £135,018 including VAT, the lowest Procurement Act threshold for goods and services. - Open procedure Anyone can submit a full tender; there is no shortlisting stage. [More contracts for small businesses and VCSEs](https://tendernation.io/opportunities/for-small-businesses) ## About this tender "The Chemical Assessment Unit (CAU; Chief Scientist's Group - Research, Environment and Business Directorate, Environment Agency) supports the UK Chemicals Agency (the Health and Safety Executive, HSE) on the environmental aspects of the UK Registration, Evaluation, Authorisation and restriction of Chemicals (REACH) legislation. A crucial part of our work is hazard assessment of industrial and consumer chemicals, and the correct assignment of bioaccumulation potential is a fundamental component of such assessments. Currently, there are no validated test guidelines or methods to screen for chemicals that preferentially bioaccumulate in non-lipid rich tissues (e.g. muscle, liver, serums). This project aims to identify what alternative tests are available or could be developed and used to screen for this form of bioaccumulation as a regulatory requirement under UK REACH; specifically in relation to Persistent, Bioaccumulative and Toxic and very Persistent very Bioaccumulative (henceforth PBT) assessment and exposure modelling. If suitable methods can be identified, we would like to understand how they would trigger the determination of BioConcentration Factors (BCF;or other bioaccumulation metrics) in aquatic and dietary exposure studies. For example, can equivalent threshold metrics, e.g.: • Log KOW > 4.5 be established for screening for a high potential for bioaccumulation in an aquatic organism • Log KOW > 2 (in combination with a log KOA¬ > 5) be established for a high potential for bioaccumulation in air-breathing organisms. The objective of this project is to provide relevant up-to-date evidence and understanding on the types of study that could inform non-standard accumulation processes in aquatic and terrestrial wildlife. It will also provide a critical review of current understanding and contemporary methods, identifying uncertainties in generated data and the applicability of methods to different substance types. " Additional information: Deadline for submission of tenders is Friday 16th September at 17:00. All tenders should be submitted to Estelle Nma will be your contact for any questions linked to the content of the quote pack or the process. Please submit any questions by email. Deadline for clarification questions is Friday 09 September 2022. All queries should be sent to and cc. Read full description ## CPV classification Research and development consultancy services Source Contracts Finder (UK) [View official notice](https://www.contractsfinder.service.gov.uk/notice/5ca8cf6f-cb02-4cef-83d8-a78f617fe880) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. 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