Changes made by 78/888/EEC: Council Decision of 9 October 1978 adopting a European Economic Community concerted project in the field of analysis of organic micropollutants in water
EU Decision 1978/888
No changes made by 78/888/EEC: Council Decision of 9 October 1978 adopting a European Economic Community concerted project in the field of analysis of organic micropollutants in water are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.