The pulse rate is a measurement of the heart rate, or the number of times the heart beats per minute. As the heart pushes blood through the arteries, the arteries expand and contract with the flow of the blood. The normal pulse for healthy adults ranges from 60 to 100 beats per minute.
Health Hazards of Sewer Gas Backing up in the House Sewer gas is a mix of both toxic and nontoxic gases created by the decomposition of household and industrial waste. Gas levels... The Effects of Breathing Methane Gas Methane is a chemical compound composed of one atom of carbon and four atoms of hydrogen (CH4).
1 Hydrogen sulfide, or hydrosulfuric acid (H 2 S), is a gas that may occur in your household water. 2  Common names include stink gas and sewer gas. 3  Hydrogen sulfide is insoluble in water, but underground, this gas remains trapped within the water. Most people can smell hydrogen sulfide in water with a concentration of as little as 0.5 parts per million (ppm) . 2  Waters with concentrations from 0.5 to 1 ppm smell musty or swampy.. 3  Concentrations greater than 1 ppm smell like rotten eggs and are corrosive to plumbing.