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Carbon Monoxide (CO) - Gas Hazards & Workplace Safety

Matt Shaw

Gas Chemical Details

Carbon Monoxide is a colourless, odourless gas, to the human senses it is completely invisible. Carbon Monoxide is a highly toxic gas.  It is termed a toxic (blood) asphyxiant, meaning it reduces the oxygen transport properties of the blood.  Low ppm doses of Carbon Monoxide can cause headaches and dizziness, if the victim is removed to fresh air no permanent damage will result. High concentrations however, can saturate a person's blood in a matter of minutes and quickly lead to respiratory arrest or death.

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Topics: Gas Theory for Gas Detection Applications, Gas Hazards, Gas Detection Standards

Occupational Health Risks of Carbon Dioxide

Matt Shaw

Gas Chemical Details

Carbon Dioxide.jpgDespite the fact Carbon Dioxide is naturally present in the atmosphere (about 400ppm) and we exhale it when breathing, CO2 is one of the most frequently overlooked toxic gases. Both colourless and odourless, CO2 in high concentrations poses an extremely dangerous hazard.

Carbon dioxide is heavier than air, with a density of 1.5 times that of fresh air. When it is released into an enclosed or confined space it tends to settle to the bottom, reaching the highest concentration in the lowest parts of the space.

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Topics: Gas Theory for Gas Detection Applications, Gas Hazards, Gas Detection Standards

Why Are You Still Not Bump Testing Your Gas Detector?

Greg Shires

022_CACGas_BTS-HP New Casing-257206-edited.jpgAfter 30+ years in the gas detection business, I am still surprised at the number of gas detection users not bump testing their instruments prior to use.   

Whatever the term….bump test, challenge test, function test, response test or verification. The only way to guarantee that a gas detection instruments will detect gas is to test it with a known concentration of gas.  Exposing the instrument to a known concentration of test gas will show whether the sensors respond and whether the instrument functions properly.

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Topics: Gas Control and Distribution, Gas Detection Standards, Regulations and Standards, bump testing

Oxygen (O2): Gas Hazards & Occupational Health

Matt Shaw

Gas Chemical Details

Oxygen, the most abundant element in the earth’s crust is of great interest due to the fact that it’s essential in the respiratory processes of most living cells. It is found in both the air we breathe and the water we drink. In normal conditions oxygen is a colourless and odourless.

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Topics: High Purity Gas, Gas Theory for Gas Detection Applications, Gas Mixtures, Gas Hazards, Gas Detection Standards