wca are an independent consultancy providing objective advice on the risk assessment of chemicals in the environment and the workplace.

We are experts in the fate, effects and regulation of chemicals, including industrial chemicals, consumer chemicals, pesticides, biocides, and human and veterinary medicines. We are also experts in the derivation and implementation of Environmental Quality Standards and Limit Values for chemicals in air, water, soil, sediments, biota and wastes.

We help our clients to meet their regulatory obligations under a wide range of international legislation, including the EU REACH Regulation, CLP Regulation, the Water Framework Directive (WFD) and Medicinal Products Directive.

We can ensure that the risks of chemicals to both the environment and human health are managed in a cost-effective manner. Our individually tailored solutions maximise benefits to the environment, workers, downstream users and your business, while satisfying the requirements of regulators. We understand our client’s needs, “own their issues”, and provide high quality, technically robust solutions.

Product Registration & Regulatory Compliance

wca offers a comprehensive range of product registration and regulatory compliance services for chemicals.
Find out more

Chemical Risk and Impact Assessment

Society strives for sustainable, safe, use of chemicals and materials. Establishing what amount of chemical is consistent with a risk to ecological quality or human health, requires a robust understanding of chemical fate, ecotoxicity and toxicology.
Find out more

Toxicology & Human Health Risk Assessment

wca offers a comprehensive range of toxicology services, from aiding study design and interpretation to evaluations of the mode and mechanism of action of potential endocrine disrupting chemicals.
Find out more

Modelling Analysis

Understanding the risks of chemicals to the environment and human health often requires data on “exposure” to be either directly measured or estimated using an appropriate model.
Find out more

Supply & Value Chain

Today’s chemical management regulations often require that decisions on the use of hazardous chemicals are based the overall impact or their use (or non-use) to society.
Find out more

Have a question?


Get in touch