AQL (Acceptance Quality Limit)
Understanding AQL (Acceptance Quality Limit) A clear guide for importers and buyers What is AQL? AQL stands for Acceptance Quality Limit . It is defined in ISO 2859-1 as the quality level that is the worst tolerable process average when a continuing series of lots is submitted for acceptance sampling. In simple terms, AQL tells you the maximum number of defects allowed in a random sample during quality inspection. If the defects in the sample are equal to or below the AQL limit, the entire batch is accepted. If exceeded, the batch is rejected. Importers typically set different AQL values for three defect categories: Defect Type Description Examples Critical Defects that could cause safety hazards or make the product dangerous to use. Sharp edges that can injure users, electrical faults, toxic materials. Major Defects that affect function...