Acceptance Quality Limit (AQL) - Meaning & Definition
Published by MBA Skool Team, Last Updated: November 19, 2015
What is Acceptance Quality Limit (AQL)?
It is defined as the worst quality level in a process that is considered to be acceptable for a product from a given sample size in a particular lot or population size. In other words it is the maximum number of defective goods or non-conformities acceptable for a client in a sample size.
Non Conformities per 100 items is expressed as one hundred times the number of non-conformities in a lot or population divided by lot or population size
Where p= number of non-conformities per item
D=number of non-conformities per item
N=lot or population size
Explanation and Examples
AQL levels differ according to the product you are manufacturing and market you will supply the product.
AQL level (European Standards)
AQL level (US Standards)
Medical Examination Gloves
Defects are classified into three major categories which are as follows
No Critical defects are accepted i.e. AQL 0 as it might result to unsafe conditions or are against mandatory regulatory norms
Reduces the usability of the product. An AQL level 2.5 is acceptable
It is a defect beyond set quality standards but the product is deemed to be usable. An AQL level 4.0 is acceptable
Hence, this concludes the definition of Acceptance Quality Limit (AQL) along with its overview.
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