Book excerpt: Describes the procedures for collection of samples, sample preparation, and analysis of CWC-related chemicals. It deals with analytical procedures that can be followed in well-equipped off-site laboratories (designated laboratories), as well as the on-site analytical procedures that the OPCW inspectors use in sample collection and preliminary analysis of the samples in field conditions. A one-of-a-kind, highly topical handbook for every expert in the chemical weapons field Outlines the methods for analysing chemical weapons both on and off site Authored by international experts in the field from top laboratories in both government and academic institutions