Protect human health with Coliform and E. coli testing

Dec. 22, 2015

These bacteria can be detected and eliminated with proper testing and treatment methods.

Coliform and E. coli are dangerous contaminants that when present pose serious risks to human health. These bacteria can be detected and eliminated with proper testing and treatment methods. The total coliform test indicates the presence of E. coli.

The Coliform/E. coli Indicator Bacteria Test Kit (Code 4-3616-UV) includes five tubes, each with a nutrient tablet. The five tubes are inoculated with 10 mL of sample water each and incubated for 24 to 48 hours depending on the ambient temperature. A change in the color due to acid production and the formation of gas bubbles in the reconstituted gel indicates the presence of coliforms. The nutrient tablet contains MUG (4-methylumbelliferyl‐β‐D-glucuronide), a fluorogenic substrate. This material is acted upon by a bacterial enzyme to produce a fluorescent compound. If E. coli is present, the sample will fluoresce with exposure to ultraviolet (UV) light (365 nm) from the UV penlight (included).

E. coli is an indicator of fecal contamination, which can sicken humans who ingest the contaminated water supplies. Further confirmation by a laboratory for the presence of E. coli is recommended, then the appropriate treatment steps should be performed by a professional to eliminate the bacteria.

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