Introduction
1.1 Scope of the document
1.1.1 The guidance contained in this document is intended to provide information
about the available specifications for water for pharmaceutical use (WPU),
guidance about which quality of water to use for specific applications, such as
the manufacture of active pharmaceutical ingredients (APIs) and dosage forms,
and to provide guidance on good manufacturing practices (GMP) regarding the
design, installation and operation of pharmaceutical water systems. Although the
focus of this document is on water for pharmaceutical applications, the guidelines
may also be relevant to other industrial or specific uses where the specifications
and practices can be applied.
Note: This document does not cover water for administration to patients
in the formulated state or the use of small quantities of water in pharmacies to
compound individually prescribed medicines.
1.1.2 The GMP guidance for WPU contained in