Tag Archive: certified reference material

8 Aerobic Plate Count Best Practices

Several factors can influence the accuracy of aerobic plate counts used to estimate the number of microorganisms in food, cosmetic, pharmaceutical, and household products.  Below are a few best practices we recommend for achieving consistent and accurate counts. 1.  Ensure…
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What Auditors are Looking for in Food Microbiology Labs

Audits are a fact of life for ISO 17025 food laboratories. Being prepared for an audit is important, but you may not know exactly what auditors are looking for when they review your microbial QC practices. We’ve compiled a list…
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The Basics of Water Testing Quality Control

The water testing laboratory is the last line of defense against water-borne infections. Accurate results are critical to consumer safety. A robust Quality Assurance/Quality Control program will give the laboratory confidence in its results. Laboratories need reliable positive and negative…
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