Analytical Services

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Analytical services are conducted by the DEH Laboratory to support the work of the Environmental Health Officers in ensuring that businesses are operating within the mandate of the Public Health Laws and DEH guidelines.

The following analytical services are conducted by the DEH lab:

Potable Water Testing

  • Drinking water taken from public buildings is routinely analysed to ensure that water is safe to drink. Water sample are taken from day care centres & schools, homes for the elderly, hospitals, tourist accommodations, food preparation establishments, and water suppliers. Samples are taken as needed from private dwellings when complaints are received.

Recreational Water Testing

  • Water from recreational areas such as beaches, public swimming pools, and tourist accommodation pools are routinely analysed.

Food Safety Testing

  • Samples of foods routinely undergo microbial analysis for food-borne pathogens and other hygiene indicators. Samples are collected at food establishments, on ready to eat meals, food ingredients and food contact surfaces. Testing will be carried out in response to either complaints or the outbreak of food borne illnesses.

Airborne Bacteria and Mould Testing

  • Air quality testing for airborne bacteria and mould is only conducted indoors,  mainly in office and other public buildings upon request. 

Common Gaseous Pollutants Testing

  • Common gaseous pollutants can be tested by the DEH Lab upon request.Testing can be conducted for gases such as carbon monoxide, carbon dioxide, petroleum products, benzene and ammonia. 

Other Services 

  • Analyze and give recommendations for private water sources, treating of cisterns, maintenance of bottle water coolers.
  • The DEH lab offers commercial food testing for Quality Control for food exporters.
  • Provide assistance in finding overseas laboratories for clients; collecting, preserving and shipping samples as well as interpretation of results for analyses beyond the scope or capacity of the Environmental Health Laboratory.
  • Assist recycling effort by testing used oil for Total Halogen Content which is used to determine whether oil is contaminated or not before shipping. (Contaminated oil is hazardous waste and cost more for disposal).
  • Respond to complaints regarding noise pollution which may entail monitoring sound levels and making recommendations.


Last Updated: 2017-11-17