Not to be confused with volume overload. Hypervolemia, or fluid overload, is the medical condition where there is too much fluid in the blood. The opposite condition is hypovolemia, which is too little fluid volume in the blood. Fluid volume excess in the intravascular compartment occurs due to an increase in total body sodium content and a consequent increase in extracellular body water.
The smell was put into natural Gas in the aftermath of a school explosion in New London Texas 1937. 300 students and faculty members lost their lives after the school exploded and was leveled when the trapped natural gas was ignited. The School was being fueled by gas directly from the near by oil wells.
That sulfuric, rotten egg odor that signals a natural gas leak isn't an ordinary component of the carbon-hydrogen compound. Because of the potential danger associated with natural gas leaks, suppliers add the noxious scent to natural gas as an olfactory warning that the harmful vapors are loose in the air. This precautionary measure indicates the inherent hazards of natural gas that can, at the right levels, kill you.