corroded

Over time, as these pipes have corroded, they have leached lead — a chemical with no safe level of exposure — into tap water.

Before consuming, inspect all food for any signs of spoilage, and discard any canned goods that appear swollen, dented or corroded.

Although California banned the installation of lead pipes in 1985, the average home in Watts is nearly 77 years old, which makes the South L.A. neighborhood more likely to contain corroded lead plumbing.

A corroded gas pipe caused the blast outside a neighbouring property, leaving a family of four in hospital and the surrounding homes either destroyed or beyond repair.

And then came the disaster of August 2012, when a corroded pipe at the refinery sprung a leak, igniting a series of fiery explosions that shrouded the East Bay in choking black smoke.