Photos show contamination at the factory responsible for toxic ooze on I-696


The toxic, bright green liquid discovered oozing onto I-696 in Madison Heights came from a shuttered factory that environmental officials spent about $2 million and nearly a year to clean up.

So how did the green slime, which was groundwater contaminated with cancer-causing hexavalent chromium, end up on a freeway? Read more here.

All photos taken in 2017.

Photos by U.S. Environmental Protection Agency