Diesel Emissions

Diesel Emissions The exposure of mine workers to diesel particulate matter (DPM) and gases is an issue of great concern to the underground mining environment. Diesel engines work by igniting a mixture of fuel (a hydrocarbon) and intake air in the combustion chamber. At high temperatures, fuel may decompose rather than burn, leaving a complex…

Life Span of a Sensor

Electrochemical sensors life span “Shelf life” and “operational life” are terms you may have heard before. These types of terms are widely used however, not everyone knows the detailed meaning behind them.   Shelf life   “Shelf life” in regard to this piece is the time between manufacturing the product and its initial operation.  …

Hazards of Ammonia

The restricted use of Chlorofluorocarbon (CFC) and hydrochlorofluorocarbon  (HCFC) gases within refrigeration and air conditioning system has caused an increased usage of ammonia. Using ammonia avoids the strong greenhouse effect which are prevalent with CFC and HCFC. However, this causes another issue most of the food that we consume will have spent time stored in…