Searching for nothing would seem to be an absolute waste of time — unless you are responsible for cleaning validation. In that case, success is deliciously ironic since you can say, “I found nothing and that’s good news”.
Swab Requirements, Where to Use, ...
Acetic Acid, Acetone, Acetonitrile, ...
Cleaning validation for production equipment at pharmaceutical facilities is an evaluation examination that is conducted to prevent cross-contamination from previously processed products and contamination due to foreign material.
Thorough cleaning is crucial to aseptic fill operations, but it must be validated as well as monitored. This article has presented some sampling, extraction and analysis options that have proved successful in their application.
During the manufacture of pharmaceutical and biotechnology products, care must be taken to ensure that these products are not contaminated either by the previous manufacturing run or by the cleaning process itself.