Guidance on the Drinking Water Directive : Volume I: Methodologies for testing starting substances, compositions and constituents for use in the manufacture of materials or products in contact with water intended for human consumption

Guidance on the Drinking Water Directive - Volume I (testing methodology) is to be used in preparing applications for starting substances, compositions and constituents for approval for inclusion in the European positive list (EUPL). This document describes the applicants' obligations according to Article 11(2)(a) of the drinking water directive (DWD) and how to fulfil them. This guidance provides technical scientific advice on how to comply with the methodologies for testing and how to perform the exposure assessment and the assessment of human health risks set out in Commission Implementing Decision (EU) 2024/365.