Occupational Hygiene
What is Hydrogen Sulphide and How is it Detected?
Hydrogen Sulphide (H2S) is a colourless, flammable, toxic gas with a distinctive rotten egg odour at low concentrations. It is known to cause metal corrosion as well as health effects in humans. Sources of H2S Waste Water Treatment Plants – Sources of Hydrogen Sulphide In Christchurch and Lower Hutt residents have been experiencing strong offensive…
Read MoreHealth Risks of Vibration and Why Monitoring Matters
Vibration is a common issue in many workplaces, particularly those involving machinery, tools, or vehicles. While often overlooked, prolonged exposure to vibration can have serious health consequences for workers. Vibration monitoring is a crucial step in identifying and managing these risks to ensure a safe and healthy work environment. What Are the Health Risks of…
Read MoreHow to Prevent Heat Exposure at Work
What is Heat Stress? Heat stress occurs when the body is exposed to excessive heat, which leads to heat strain. Heat strain is the body’s physical response to this extra heat and occurs when the body is unable to cool itself down. Heat stress is common for those working in hot conditions outdoors or in…
Read MoreA Silent Threat: Carbon Monoxide from Wood Pellets
Research has shown that stored wood pellets are a source of the toxic gas carbon monoxide. Auto oxidation of wood pellets off gas carbon monoxide (CO). This is a major health and safety hazard for those who store, transport or produce wood pellets. Risk to Health Discharge of carbon monoxide into storage areas is a…
Read MoreRoasted Coffee Beans and Carbon Monoxide Emissions
Coffee bean grinding and storage can be a source of carbon monoxide. It is not expected that small quantities of coffee beans are an issue. Where Does the Carbon Monoxide Come From? Roasting coffee beans involves chemical reactions which release volatile compounds. These include the compounds responsible for the aromas of roasted coffee beans as…
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