Charles River offers a full range of services to support biocide development and international registration. All biocidal studies are conducted to comply with European Directive 98/8/EC and US EPA FIFRA (OCPPS), and our experts provide coordination and advice at every stage of product development. I need to... Assess the environmental risk of my biocide. Perform a toxicology study. Conduct residue analysis. Obtain skin penetration data.