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Testing Services

Raven Labs offers Steam and EO D-value or Survival/Kill testing in state-of-the-art Joslyn BIER Vessels. D-value procedures used follow USP/ISO and can be obtained via Spearman Karber (fraction negative) method, Survivor Curve (direct enumeration) or with Stumbo-Murphy-Cockran. Raven can inoculate and perform D-value analysis on small items (e.g. coupons or stoppers) or we can verify a competitor's claim for D-value, z-value, and population. Isolate identification services available for most aerobic samples. A summary of Raven's testing services are listed below:
  • Steam D-value on a commercially prepared BI
  • EO D-value on a commercially prepared BI
  • Population analysis of a commercially prepared BI
  • Inoculation of client provided coupon or solution
  • Culturing of Biological Indicators
  • Custom filled ampoules
  • Custom BI development
  • Organism Identification (Biolog)
Email info@ravenlabs.com for quotes.


Chain of Custody Form for Materials to be submitted to Raven Labs for testing.

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