Any offensive odor indicates contamination by saprophytic organisms and should be reported to a healthcare provider.

The presence of some coliforms indicate fecal contamination.

More than 25 squamous epithelial cells at low enlargement indicates salivary contamination.

Coliform : A group of related bacteria whose presence in drinking water may indicate contamination by disease-causing microorganisms.

It was withdrawn for use on potatoes in 1990 after tests had also indicated contamination.

Food-processing companies will now be required to notify the state within 24 hours of any test results indicating contamination, among other changes.

Coliform, a bacteria indicating fecal contamination, is measured in units per 100 milliliters.

Changes in color can indicate contamination or impurities in the raw materials, process variations, or degradation of products over time.

They were taken off the market almost three years ago because some shipments indicated contamination with Listeria monocytogenes bacteria.

Identify changes in water quality measurements that might indicate potential contamination.