Odour Monitoring

Odour Monitoring from Envirocare Technical Consultancy

By: Envirocare Technical Consultancy  06/02/2014
Keywords: occupational health, air quality, hearing tests

Odour Monitoring , Sampling & Analysis The treatment and handling of sewage, food waste and many other organic or non-organic materials can very often cause emissions of offensive odours into a processing facility or out into the environment. These odours can be caused by hydrogen sulphide, many solvents and biological compounds which when detected by the human nose produce an odour or smell even at very low levels. Envirocare can offer expert UKAS & MCERTS accredited Odour Monitoring to BS EN 13725 (2003) http://envirocare.org/odour-monitoring/ Odour is monitored by capturing a sample of potentially odorous gas into an inert Nalophan bag. Within 30 hours of collection, the sample is presented to a panel of human noses at the lab using an olfactometer. The sample is diluted with odour free gas at a known ratio and presented to the panel who are asked to report the presence of an odour. The sample dilution ratio is progressively decreased (odour concentration increased) and the panel are asked to repeat their assessment. The assessment of the odour panel at different dilution ratios is used to quantify the odour concentration in standardised units (ouE/m3).

Keywords: air quality, audiometry, health surveillance, hearing tests, occupational health, odour, Odour Monitoring

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