Projects
ECO41: Enhanced Screening Methods to Determine Bioaccumulation Potential of Chemicals in Air-Breathing Species
This project plans to develop an approach for assessing bioaccumulation of neutral hydrophobic organic chemicals in air-breathing species based on physical chemical properties (i.e. KOW and KOA) and in-vitro biotransformation bioassay data using mammalian liver S9 in vitro bioassays.
Read more
ECO35: Interference of hepatotoxicity with endocrine activity in fish
The project proposed is driven by the hypothesis that hepatotoxicity may positively or negatively interfere with vitellogenin production, which is used as a key marker of endocrine activity in current OECD test guidelines 229, 230 and 234 and the proposed […]
Read more
ECO34: A tiered testing strategy for rapid estimation of bioaccumulation by a combined modelling – in vitro testing approach
The overall objective of our research is to reduce the uncertainty related to the estimation of bioaccumulation of organic chemicals in fish in ecological risk assessment (ERA). Based on a combination of different in vitro approaches to estimate chemical uptake […]
Read more
ECO32: Environmental risk assessment of poorly soluble substances: Improved tools for assessing biodegradation, (de)sorption, and modeling
This project proposal will answer the following questions: Objective: How can the aqueous phase biodegradation kinetics of poorly water soluble substances be measured without the influence of bioavailability factors, i.e., without (de)sorption effects? Objective: How can the desorption rates of […]
Read more
ECO31: Identifying strategies that will provide greater confidence in estimating the degradation rates of organic chemicals in water, soil and sediment
In the first phase of this project (ECO31.1), the team aimed to identify strategies that will provide greater confidence in estimating the degradation rate constants of organic chemicals in the environment. To meet this objective, the team performed an extensive […]
Read more
AIMT6-VITO: CON4EI: CONsortium for in vitro Eye Irritation testing strategy
Measurement of ocular irritancy is a necessary step in the safety evaluation of both industrial and consumer products. Assessment of the acute eye irritation potential is therefore part of the international regulatory requirements for testing of chemicals. This project will: […]
Read more
B14-RIFM: Skin Sensitisation – Chemical Applicability Domain of the Local Lymph Node Assay (LLNA)
Since the publication of the OECD AOP for skin sensitisation in 2012, there have been even greater efforts to anchor the development and evaluation of new in vitro and in chemico assays to key events within the AOP. Much of […]
Read more
ECO11 – UNEW: Towards rationally designed hazard, risk and persistency assessment: Putting the “bio” back into biodegradability tests
ECO11: Towards rationally designed hazard, risk and persistency assessment: Putting the “bio” back into biodegradability tests The objectives of this project are as follows: Objective 1a. Determine the extent and variation in microbial diversity of environmental sources used in biodegradation […]
Read more
ECO26-RAD: Adapt SimpleTreat for simulating behavior of chemical substances during industrial sewage treatment
REACH Guidance for Chemical Safety Assessment makes use of mathematical simulation of the retention of chemical substances during waste water treatment. REACH R-16 describes the use of the model SimpleTreat, developed by Struijs and co-workers at RIVM, which simulates the […]
Read more
ECO22-IRAS: Advancing the use of passive sampling in risk assessment and management of contaminated sediments: an inter-laboratory comparison study on measurements of freely dissolved (bioavailable) concentrations using different passive sampling formats
The main objective of this study is to map the state of the art in passive sampling sediments and to investigate which measures we can take to reduce any inter-method and -laboratory variation, in order to increase confidence in the […]
Read more