RQL (Rejectable Quality Level)
Category: Quality
Also searched as: RQL
Definition (plain English)
Rejectable Quality Level is a defect level that a sampling plan is designed to reject with high probability.
Why it matters commercially
RQL helps buyers and inspectors define when a lot is bad enough to stop shipment, require rework, or escalate a supplier-performance issue.
Example
A buyer used AQL for routine acceptance but set an RQL threshold for critical seal defects that would block release of the entire food packaging lot.
Common mistake
Discussing RQL without linking it to the sampling plan, defect classes, inspection authority, rework rights, and who pays for failed lots.
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