Evaluating the Effectiveness of Viable Air Monitoring at 12.5LPM

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This white paper presents important findings that confirm 12.5 LPM is a reliable and compliant flow rate for viable air monitoring in cleanroom environments.

If you're involved in contamination control, cleanroom qualification, or environmental monitoring, this paper offers valuable insights grounded in both data and peer-reviewed science.

What’s Inside the Paper?

• Confirmation of ISO 14698 and CEN 17141 compliance at 12.5 LPM flow rate
• d50 performance well within accepted thresholds (0.58 μm at 12.5 LPM)
• Impaction velocity analysis showing microbial recovery is optimized at 47.4 m/s
• References to key studies, including Stewart et al. (1995) and Whyte et al., on microbial viability and sampling efficiency
• Analysis of agar dehydration, demonstrating <30% water loss under test conditions
• Comparison of air samplers, including slit-to-agar and sieve designs
• Clear data tables and visual summaries to support technical decision-making

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