73 free sanitation photos from Freerange

Hand washing technique.

Hand washing technique.

Using a green pad to clean a commercial surface.

Measuring the zone of inhibition on a perti plate.

Gram negative rods with spores. Viewed under the microscope at 1000x.

Microscope and slide.

Pollution in woods from landfill.

Sewage bacteria growing on an agar plate.

Mixture of soap and oil viewed under the microscope.

Different shaped colonies of bacteria, yeast and mold growing on agar plates from enviromental samples.

Different shaped colonies of bacteria, yeast and mold growing on agar plates from enviromental samples.

The colony morphology of Geobacillus stearothermophilus. A thermophile that causes food spoilage.

Spread plate techniques.

E. coli growing on EMB agar.

Bacteria plate in a rack.

Bacteria growing on a petri plate.

Food safety pathogen E. coli growing on an agar plate.

Examining bacteria colonies on an agar plate.

Bacteria growing on a petri plate.

Bacteria growing on a petri plate.

Microbiology technique

Sewage bacteria growing on an agar plate.

Food safety pathogen Listeria monocytogenes isolated on agar from a food sample.

Campylobacter bacteria growing on an agar plate.

Food safety bacteria pathogenStaphylococcus aureus growing on Baird Parker agar with egg yolk and tellurite.