Page 11 - QRedition5.0 062021

Quality Requirements Edition 5.0 European Enamel Association

1.2.18.2 quality requirement. The inspection procedure is based on ISO 2859, in which the size
These documents shall demonstrate that correct methods of setting up apparatus, testing, of the random test is a function of the size of the batch. The method of selection and the
and calibration are in use. number of random test pieces or square meter required must comply within the batch to
be inspected.

1.2.18.3

Documents showing the planned frequency and the date of the last calibration shall be 1.2.18.7
available. The number of random tests depends on the size of the batch and should meet the
specified quality requirement as mentioned in the corresponding AQL table (1.2.18.10).

1.2.18.4
If a subcontractor is used for the test procedure, then the relevant documents for the tests 1.2.18.8
and/or calibration shall be required. This control also effects a testing body, subcontractor, A batch is presumed to meet the requirements when the number of pieces in the random
or third party. test which do not meet the related requirements, is not higher than the approval criterion for
the corresponding quality level, as given in the AQL tables (1.2.18.10.)

Test results
1.2.18.9

1.2.18.5 Where the system for control of coating thickness does not meet the stated requirements,
For products which are already enamelled, results of measurements and tests that have the tables should be used for indicating the test frequency during the EEA performed
been carried out, (as part, of the quality control process ) shall be available. This includes inspection.
relevant documents, test results, logbooks and other records. Records, areas of
responsibility for control, measuring and registration shall be available. These documents 1.2.18.10 : AQL tables : see next pages
shall provide the basis for the EEA audit. Fully documented test method(s) and the
result(s) obtained are required to prove conformance to this standard. Results must be
expressed in the specified units.

Test-frequency

1.2.18.6
The inspection of a batch shall be on the basis of a random test and assumes it to be
representative of the quality of the batch. The acceptable quality level (AQL) is defined as

the maximum percentage of the pieces or square meters in a batch that do not meet the

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