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).
Another common source of sewer gas is a broken drain line that allows sewer gas into a crawl space, basement or mechanical area, which then seeps into the office, factory, warehouse, apartment, etc. Plugged or backed up drains can also push sewer odors back into the air. Besides the offensive odor, sewer gas can be hazardous especially over any extended period of time. Methane gas can displace oxygen, especially in a confined space, and be deadly. Hydrogen sulfide is also toxic.