ISO 28597:2017

Acceptance sampling procedures by attributes — Specified quality levels in nonconforming items per million ISO 28597:2017

Publication date:   Oct 23, 2017

General information

90.93 Standard confirmed   Jun 13, 2024

ISO

ISO/TC 69/SC 5 Acceptance sampling

International Standard

03.120.30   Application of statistical methods

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Scope

ISO 28597:2017 specifies, for quality levels expressed as nonconforming items per million items, procedures for estimating the quality level of a single entity (e.g. a lot) and, when the production process is in statistical control, for estimating the process quality level based on evidence from several samples. Procedures are also specified for using this information when selecting a suitable sampling plan so as to verify that the quality level of a given lot does not exceed a stated limiting quality level (LQL). For the case where no prior sample data is available, guidance is given for presuming a process quality level in selecting a plan.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 14560:2004

NOW

PUBLISHED
ISO 28597:2017
90.93 Standard confirmed
Jun 13, 2024