Tag Archive: ISO 11133

Dear Stanley: Thermotolerant Strains for Fecal Coliform Testing

Dear Stanley, Do you know of any Escherichia coli and Klebsiella pneumoniae strains that will grow at 44.5°C? I need thermotolerant controls for my fecal coliform test. Angie from Rochester, NY Dear Angie, Microbiologics has a document that can help…
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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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5 Reasons to Avoid Maintaining Stock Cultures in Your Lab

Are you certain the reference stock cultures you use for quality control are identical to the reference cultures you originally purchased? A study performed by Cross, Russel and Desai examined working cultures from eight accredited microbial testing laboratories. Using fluorescent…
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