Article

A Refresher On Disinfectant Wet Contact Time

One critical parameter in choosing a disinfectant is wet contact time. Our Senior Technical Services Manager, Walid El Azab, shares the importance of wet contact time for effective disinfection.
November 3, 2020

Key Takeaways:

  • Disinfection requires maintaining wet contact time for validated microbial reduction.
  • Coupon studies must confirm disinfectants achieve log 10 microbial reduction in set contact time.
  • Facilities must validate disinfectants in situ to ensure environmental factors don’t reduce efficacy.
  • Surface must remain visibly wet for full contact time to complete the chemical reaction effectively.
  • Disinfectant type, concentration, surface and microbial load must all be considered in qualification.

One critical parameter in choosing a disinfectant is wet contact time. Our Senior Technical Services Manager, Walid El Azab, shares the importance of wet contact time for effective disinfection. This article helps readers understand disinfectant wet contact time from a scientific and regulatory perspective for optimum cleanroom operation.

Suggested Content

Article

A Justified Process for Cleaning and Disinfection

Regulatory guidance and standards, such as the European Good Manufacturing Practice (EU GMP) Annex 1, are created to provide standards for requirements. While this can be helpful to strive toward best-practice, it is also important to remember that procedures need to be tailored to their facilities and processes.
Technical Tip

Best Practices for Disinfectant Validation in Cleanrooms

Find out best practices for test coupons, environmental monitoring and more.
Article

Evaluating Surface Cleanliness Using a Risk-Based Approach

Surface cleanliness is crucial in ensuring that process residue, cleaning agent residue, and bioburden do not adversely affect the safety, quality, and potency of the drug manufactured.
1 of 3

You're leaving this site.

You are being redirected off of the STERIS Life Sciences website. If you wish to continue, click "Leave STERIS Life Sciences". Otherwise, click "Take Me Back".