quality assurance

The guarantee that the quality of a product (analytical data set, etc.) is actually what is claimed on the basis of the @Q04976@ applied in creating that product. Quality assurance is not synonymous with @Q04976@. Quality assurance is meant to protect against failures of @Q04976@.
PAC, 1990, 62, 2167. (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2208 [Terms] [Paper]