A hazardous materials team responded to a brief incident at a state prison in Gardner.
Three workers were taken to the hospital on Tuesday after possibly being exposed to a hazardous chemical.
The state Department Of Transportation has decided that trucks carrying hazardous materials, including gasoline and heating oil, cannot travel through Boston between 6 a.m and 8 p.m.
Hazardous materials crews responded to Nashoba Regional High School in Bolton on Sunday.
Police say they found a man in a car on Maguire Road who said he ingested liquid cyanide.
A state official is now under investigation in an alleged scheme to steer lucrative contracts to a Malden hazardous waste company.
The mystery behind a hazardous materials scare Wednesday in Roxbury has been solved.
A box “that had markings indicating that it may be hazardous” was found in the basement of a home in Roxbury on Wednesday, sparking a hazardous materials situation.
Haymarket MBTA Station was closed to passengers Tuesday after an incident involving a radiation scare.
Mayor Menino has pushed to keep trucks carrying hazardous materials from passing through crowded neighborhoods like the North End and Chinatown.