Sodium is an electrolyte that helps regulate water levels and other bodily substances. Low sodium levels, or hyponatremia, can lead to lethargy, confusion, fatigue, and other symptoms. Treating ...

There was a leak involving sodium bisulfate and sulfuric acid. When those substances mix, a dangerous sulfide gas is produced, Keusch said. "They had a product leak out of a 100-gallon container ...