Ecological and Toxicological Association of Dyes and Organic Pigments Manufacturers ETAD is an international organization and our member companies have operations around the world. ETAD seeks to base its positions on sound science. We coordinate the efforts of our members to minimize any possible adverse impact of organic colorants on health and the environment. Member companies are obliged to adhere to the ETAD Code of Ethics, which is based on the principles of responsible care. They must also comply with all national and international chemical regulations.