The Limiting Quality Level
(LQL) is used in sampling inspection. It
is the proportion of nonconforming items
associated with the consumer’s risk.
It can be regarded as the minimum quality
that the customer would not want to accept,
even for a single batch. The
AQL is the minimum
acceptable long term average. See also OC
The Lot Tolerance Percent
Defective is an alternative term for the
LQL. The LTPD is expressed as a percentage,
the LQL is usually expressed as a proportion.