Visible-Residue Limit for Cleaning Validation and its Potential Application in Pharmaceutical Research Facility

October 2, 2004
Pharmaceutical Technology
Volume 28, Issue 10

Evaluations have shown, in most cases, visual observations are sensitive enough to verify equipment cleanliness. An experiment was conducted to explore the possibility of using a visible-residue limit as an acceptable cleaning limit in a pharmaceutical research facility, including an evaluation of the limits and subjectivity of ?visually clean? equipment.