1.3 - Quality Control Overview hardness testing or holding of a drug

or holding of a drug product shall wear clean clothing appropriate for the duties they perform

or any other abnormal source of microbial contamination

calibration

and composition is not affected and in a manner that will protect the dietary supplements against mix-ups

1.3 - Quality Control Overview hardness testing or holding of a drugQuality Control is that part of GMP concerned with sampling, specifications and testing, and with the organisation, documentation and release procedures which ensure that the necessary and relevant tests are actually carried out and that materials are not released for use, nor products released for sale or supply, until their quality has been judged to be satisfactory