Metro

Chemicals cause stir at hazmat drop-off

A hazardous waste drop-off event at the University of Massachusetts Boston resulted in a controlled explosion after a family brought dangerous “deteriorated chemicals,” Boston police said. The family of a retired doctor was unaware of the condition of chemicals when they arrived with small quantities of picric acid, nitrocellulose, and ether, said Boston Fire Department spokesman Steve Macdonald. According to Macdonald, the company responsible for Saturday’s waste removal called Boston police. When the department’s hazmat team saw the deteriorated chemicals, the chemicals were placed in a dumpster for a “controlled explosion” by the bomb squad. According to officials, there were no injuries and the entire incident took place outside.

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Aimee Ortiz can be reached at aimee.ortiz@globe.com. Follow her on Twitter @aimee_ortiz.