ECOTEST DKG-21 M Operating Manual page 112

5.2.7.6 Presentation of verification results
5.2.7.6.1 Positive results of periodic verification and
verification after repair are registered in the Table of
Appendix F, or by issuing a certificate of verification of
legally regulated measuring equipment.
5.2.7.6.2 If the dosimeter is recognized inapplicable
for use as a result of verification, it gets the certificate of
inadequacy.
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