Essential Use : A derogation from the European Commission to allow specific uses of a withdrawn active substance to remain approved while alternatives are looked for
Health and Safety Executive (HSE), Glossary of Terms on Pesticides Industries, HSE, Merseyside, England, UK 2014. www.pesticides.gov.uk/guidance/industries/pesticid es/.../glossary-of-terms, (Hlth and Sfty - Brit) {717}