DrJohnBarrett 0 research notes and wiki edits

I am a professional microbiologist, semi-retired, able to test the following: Water, soils, air-samples, food products, any NON-clinical samples, for: total aerobic bacterial content, total yeast/mold content, total coliforms, E.Coli and most other pathogens. Location: Gulfport,MS. 39507

Joined 12 days ago

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