A natural cleaner with an eye-watering smell, ammonia promises to cut through even the toughest stains. And while you may never have used the stuff, you've no doubt heard of it. Pro cleaners sing its ...

"It was just a matter of time" But Amanda Strecker, who lived in a town house near the plant from 2018 to 2022, said she had long been concerned about the ammonia-like smell. "We felt when we ...