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

October 2, 2004
Pharmaceutical Technology, Pharmaceutical Technology-10-02-2004, 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.