Archive of wca's blogs from 2020

SETAC SciCon

June 1, 2020 by Graham Merrington

wca participated in the SciCON SETAC’s 30th Annual European meeting between May the 3rd and 7th of May 2020. We were involved with presentations and posters on metals on the development of Multiple Linear Regression models to account for nickel bioavailability in Australian freshwaters, performing ERA for nickel in the tropics, deriving national bioavailability-based specific pollutant EQS, the target and the validation of simplified tools for implementing EQSs.
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Update on COVID-19

May 15, 2020 by Dean Leverett

In my previous blog on how wca are coping with the Covid-19 outbreak, I promised further blog updates as the situation developed.
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Statement on COVID-19

March 17, 2020 by Dean Leverett

At this difficult and testing time for everyone, I thought it might be useful to highlight the arrangements that wca are putting in place to deal with the Covid-19 outbreak.
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Market Research for Authorisation under REACH

March 3, 2020 by Ed Stutt

ECHA has recently published a report based on a project conducted by wca at the end of last year. Working in collaboration with ECHA, Ed and Olivia carried out market research to estimate the number of applications for 11 substances of very high concern (SVHCs) that the European Commission added to the Authorisation List in February 2020.
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Draft Regulation sets strict deadlines for registrants to update their REACH registration dossiers

February 10, 2020 by Sylwia Kosmala-Grzechnik

ECHA’s concerns that companies are not keeping their REACH registrations up to date has led to the drafting of an Implementing Regulation, setting out a deadline of 3 months for submitting administrative updates, and deadlines of 6 or 12 months for updates which are considered more complex and require generating new data or changes in the safety assessment.
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Conference on Current Issues in Contaminated Land

January 15, 2020 by Ed Stutt

At the end of 2019 Ed attended a conference on Current Issues in Contaminated Land hosted by the Royal Society of Chemistry and the Society of Brownfield Risk Assessment (SoBRA).
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10 years at wca

January 13, 2020 by Rhiannon Smith

At the start of a new year, and a new decade, it is a time for reflecting on the past and looking to the future. As we return at the start of 2020, both Becky and Rhiannon are celebrating having been at wca for 10 years.
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Latest updates


February 17, 2021 by Becky Marks

From 27th March 2021, the Transparency Regulation (EU 1381/2019) will come into force, and this aims to increase transparency of data and decision making for risk assessments in the food chain, to increase public trust. Amongst the changes brought in as a result of the Transparency Regulation is a transition to using IUCLID (International Uniform Chemical Information Database) software for the submission of dossiers for Plant Protection Products.

February 9, 2021 by Grace Panter

Becky Brown and Grace Panter recently attended an interesting webinar by European Food Safety Authority/European Chemicals Agency (EFSA/ECHA) on how to consider the Xenopus eleuthereombryonic thyroid assay (XETA) in the assessment strategy of the endocrine disrupter (ED) guidance.

January 14, 2021 by Dean Leverett

Since the formation of wca environment Ltd in 2005, the company has operated out of a single office in southern England. During 2020, with the end of the Brexit transition period looming, the management team explored options for opening a European office.