Article

What Is the AQL (Acceptance Quality Limit) in QC Inspections?

QualityInspection.org · qualityinspection.org Free Intermediate

One of the most-cited independent explainers of AQL in the sourcing world, written by inspectors who actually apply it in the field.

  • AQL sets tolerance separately for minor, major and critical defects
  • Critical defects are typically set to zero tolerance
  • Explains how sample size scales with batch size
Open on qualityinspection.org ↗

It answers 2 questions

  1. How many sample rounds should I go through before approving a design for production?
  2. What is AQL and how do I actually use it to inspect a batch before it ships?

Read with it

  1. Makes the direct case for treating the pre-production sample as your last checkpoint before a batch you can't easily undo. ninghowapparel.com Article The Importance of the PP Sample: Risk Control & Golden Sample Insights Ninghow Apparel
  2. An Indian export house's ground-level account of how many sample rounds are normal and what each one is actually checking for. kbexports.com Article The Textile Sampling Process Explained KB Exports
  3. A major third-party inspection firm's own AQL explainer and calculator, useful both to learn the standard and to see who you... qima.com Tool Acceptable Quality Limit, AQL QIMA
  4. A free calculator to work out your sample size and acceptance/rejection numbers for a given batch size and AQL level before an... hqts.com Tool AQL Calculator HQTS
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