â¢ When boilers or furnaces experience an. overheated condition, catastrophic damage to. the heating unit, safety controls and components. is likely. â¢ PSE&G treats this situation with the highest. degree of emergency response - similar to an. inside gas leak with open air gas readings of 1%. or greater.
ethylene glycol. (glÄ«'kÃ´l') A poisonous, syrupy, colorless alcohol used as an antifreeze in heating and cooling systems that use water. Ethylene glycol is chemically like ethanol but has two hydroxyl (OH) groups instead of one. Also called glycol. Chemical formula: C2H6O2.
HIGHLIGHTS: Ethylene glycol and propylene glycol are clear liquids used in antifreeze and de-icing solutions. Exposure to excess amounts of ethylene glycol can damage the kidneys, heart, and nervous system.