Since 2008, the EU system for the Registration, Evaluation and Authorisation of Chemicals (REACH) has begun impacting companies across the world. As a retrospective analysis, this publication presents the findings of the first PhD thesis on the REACH Regulation dating to 2007. Today, efficient and effective implementation of REACH continues to depend on the inter-action of Member State regulators during EU decision-making. This is the result of past political debates surrounding the legislation being narrowly focused on mechanisms for conducting hazard assessments. To facilitate EU decision-ma.