WHO Supplementary Training Modules: Validation, Water, Air Handling Systems - Validation (Part 1): General Overview: Validation

WHO Supplementary Training Modules: Validation, Water, Air Handling Systems - Validation (Part 1): General Overview
(2006; 39 pages)

Table of Contents

Validation

Periodic revalidation

To assess process changes that may occur gradually over a period of time, or because of wear of equipment
Consideration given to:

- master formulae and specifications

- SOPs

- records (e.g. of calibration, maintenance and cleaning)

- analytical methods

Periodic revalidation

11.21 Periodic revalidation should be performed to assess process changes that may occur gradually over a period of time, or because of wear of equipment.

11.22 The following should be considered when periodic revalidation is performed:

- master formulae and specifications;

- SOPs;

- records (e.g. of calibration, maintenance and cleaning); and

- analytical methods.