BS 6002-1:2007 - Sampling procedures for inspection by variables. Guide to single sampling plans indexed by acceptance quality limit (AQL) for lot-by-lot inspection for a single quality characteristic and a single AQL – BSI British Standards

BS 6002-1:2007

Sampling procedures for inspection by variables. Guide to single sampling plans indexed by acceptance quality limit (AQL) for lot-by-lot inspection for a single quality characteristic and a single AQL

Status : Superseded, Withdrawn   Published : February 2007 Replaced By : BS ISO 3951-1:2013

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BS 6002-1:2007 describes an acceptance sampling system primarily designed for use under the following conditions:

a) where the inspection procedure is to be applied to a continuing series of lots of discrete products all supplied by one producer using one production process;
b) where only a single quality characteristic x of these products is taken into consideration, which must be measurable on a continuous scale;
c) where the measurement error is negligible, i.e. with a standard deviation no more than 10% of the process standard deviation;
d) where production is stable (under statistical control) and the quality characteristic x is distributed according to a normal distribution or a close approximation to the normal distribution;
e) where a contract or standard defines a lower specification limit L, an upper specification limit U, or both; an item is qualified as conforming if and only if its measured quality characteristic x satisfies the appropriate one of the following inequalities:
     1) x W L (i.e. the lower specification limit is not violated);
     2) x u U (i.e. the upper specification limit is not violated);
     3) x W L and x u U (i.e. neither the lower nor the upper specification limit is violated).

Inequalities 1) and 2) are called cases with a single specification limit, and 3) a case with double specification limits.

Where double specification limits apply, it is assumed in this British Standard that conformance to both specification limits is equally important to the integrity of the product; in such cases, it is appropriate to apply a single AQL to the combined percentage of product outside the two specification limits. This is referred to as combined control.




Standard NumberBS 6002-1:2007
TitleSampling procedures for inspection by variables. Guide to single sampling plans indexed by acceptance quality limit (AQL) for lot-by-lot inspection for a single quality characteristic and a single AQL
StatusSuperseded, Withdrawn
Publication Date28 February 2007
Withdrawn Date30 September 2013
Normative References(Required to achieve compliance to this standard)BS 2846-7, ISO 5479, BS ISO 5725-2, ISO 2859-2, BS 6001-1, BS ISO 3534-2, BS 6001-2, BS ISO 3534-1, ISO 2859-1, BS 6002-2
Informative References(Provided for Information)BS 2846-4, BS 2846-7, BS 6001-0, ISO 10576-1:2003, BS 7785, BS 7782, ISO 31-11
Replaced ByBS ISO 3951-1:2013
ReplacesBS 6002-1:1993, ISO 3951:1989
Draft Superseded By05/30134582 DC
DescriptorsInspection by variables, Standard deviation, Sampling methods, Sampling tables, Control charts, Power spectra, Normal distribution, Quality control, Acceptance inspection, Inspection, Mathematical calculations, Quality assurance, Statistical quality control
ICS03.120.30
CommitteeSS/5
ISBN978 0 580 50163 0
PublisherBSI
FormatA4
DeliveryNo
Pages118
File Size5.57 MB
Price£292.00


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