"> Enviro Labs Limited | Microbiological Testing Services - Coliform & E.coli
Enviro Labs Limited | Microbiological Testing Services - Coliform & E.coli
Coliform & E.coli
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Microbiological Testing Services

Coliform & E.coli

Coliform bacteria are commonly found in the intestine of humans and warm blooded animals. A specific subgroup of coliform bacteria is feacal coliform bacteria, with the most common member in the subgroup being Escherichia coli (E.coli).

The presence of faecal coliform bacteria, though being relatively less health hazardous to human, indicates that samples may be feacal contaminated. As faecal coliform bacteria is abundance in faeces and is relatively easy to detect, it is usually used as an indicator organism of contamination. Positive results of feacal coliform or E.coli in the samples also indicate the existence of other pathogenic organisms, thus reflecting the potential health risks for individuals being exposed to samples being tested.

Indicator Organism Common matrices to be tested
Total Coliform
  • Drinking Water
  • Treated Water¹
Faecal Coliform
  • Drinking Water
  • Fish Tank Water
  • Compost / Soil
E.coli
  • Drinking Water
  • Swimming pool water /Spa Pool/Jacuzzi
  • Wastewater
  • Fish Tank Water
  • Beach/Marine Water
  • Food

Enviro Labs Ltd. (ELL) has been granted HOKLAS accreditation for coliform, faecal coliform and E.coli tests. Different detection methods are employed to suit your needs. Below is a summary of coliform and E.coli tests offered by Enviro Labs Ltd.

Matrices Parameters Test Methods Accreditation
Water, Wastewater, Marine Water Total Coliform, Faecal Coliform, E. coli DoE (1983) Sec 7.8 & 7.9 HOKLAS
Water, Wastewater, Marine Water Total Coliform, E. coli EA (2002) Part 4A HOKLAS
Water, Wastewater, Marine Water Faecal Coliform, E. coli EPD CHROMagar Liquid ECC Method HOKLAS
General Foodstuff Total Coliform, E. coli AOAC Official Method 991.14 HOKLAS

Enviro Labs Ltd. (ELL) holds HOKLAS accreditation for testing Colifrom and E.coli in water, wastewater and food samples. Call us at 2676 2983 or e-mail info@envirolabs.com.hk for details of the services.