A long day for city fire crews on site in Milford after an incident in the NB Southern Railway yard on the Gifford Road.
Platoon Chief Eric Garland says about 6 people are isolated while they try to identify a white substance they came in contact with.
He says they just want to make sure product they are testing is what its supposed to be.
Garland says they are waiting on test results before the people in quarantine can be released.
Fire crews also responding today to a roof collapse at 100 Industrial Drive in East Saint John.
No one in the business was hurt and its possible heavy snow is a factor.
