ISO 1886:1990

Designed for received batches. The choice of sampling plan and the extent of sampling depends on the knowledge of the product acquired by the customer. Specifies two methods and includes tables with acceptance and rejection criteria based on a given number of acceptable quality levels (AQLs). Defines the inspection by qualitative characteristics (attributes) and the inspection by measurements (variables). The document describes the choice of sampling plan, gives information on the severity of inspection and points out to what should be agreed upon between manufacturer and customer before carrying out an inspection. Cancels and replaces the second edition ISO 1886:1980, of which it constitutes a technical revision.