Hazardous Gases: Carbon Dioxide

Posted Posted in Biotechnology, Coal Mining, Disaster Relief, Hard Rock Mining, Petrochemical, Tunnelling

What is Carbon Dioxide? Carbon dioxide (CO2) is a colourless and odourless gas, existing in Earth’s atmosphere as a trace gas at a concentration of about 400ppm (0.04%) by volume. Natural sources of CO2 include volcanoes and hot springs, and being soluble in water, it occurs naturally in groundwater, rivers, lakes, ice caps, glaciers, and […]