Mesa Laboratories, Inc.

Mesa Labs Bl Contract Testing Services

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Mesa Labs offers Steam and EO D-value or Survival/Kill testing in state-of-the-art 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-Cochran. Mesa Labs 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.

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Chemical Indicator Testing

  • Label Claim Testing
  • Product Development

Commercial Biological Indicators (BIs)

  • Certificate of Analysis Verification
  • BI Culturing
  • Population Determination
  • Identification/Purity Testing
  • D-value Testing (Steam, EO, Dry Heat, H2O2
  • z-value Testing
  • Survival Kill Verification

Custom BI Development

  • Ampoule Filling for Self-Contained BIs
  • BI Development for Novel Sterilization Process
  • Inoculation of Client Provided Substrate
  • Population and Resistance Characterization

Custom Batch Production

  • Environmental Isolate Growth and Characterization Testing
  • Contract Batch Production (spore forming non-pathogenic bacteria)

Pharmaceutical

  • Solutions (D-value, Z-value, and Bioburden Testing)
  • Stopper/Septa (D-value/Z-value Testing)
  • Custom Inoculation for Sterilization Cycle Validation Studies

Controlled Drugs

  • DEA Certificate for testing on narcotics, stimulants and depressants (Schedules 2, 2N, 3, 3N, 4, 5)

Steam Autoclave Testing

  • Temperature Mapping
  • Calibration
  • Cycle Development

Sterilization Exposure and Culturing Studies

  • Exposure and culturing studies are typically performed on chemical and biological indicators for Ethylene Oxide, Dry Heat, Steam, and Hydrogen Peroxide Vapor. The product in test is exposed, cultured, and the results are recorded according to protocol.

Additional Services

  • Our testing laboratory will gladly work with you to develop a testing program tailored specifically to the needs of your company. To inquire about our service capabilities and pricing, please contact us.
  • 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-Cochran.