It was a seasonably warm evening that hinted at the summer to come, and Artie Verderamo paused over the limpid water of the backyard pool he was tending in Glen Ridge. Verderamo, a technician with ...

Chlorine is a common element in household cleaning and pesticide products. You’re probably most familiar with its use in pools to keep them free from bacteria and algae. It is naturally a gas but can ...