the operation , located in romulus , near bloomfield , is about 15 miles upstream of detroit . preliminary reports stated that a single bomb in a chemical tank was the cause of the crash . the cause of this explosion has not even been determined . flint abc affiliate wxyz confirmed that all employees made it out of the plant before the disaster reported , and that hazmat teams were on the site of the fire . livingston county sheriff wilson evans noted that no wounds ere reported in the initial event . subsequently , approximately 32 people were treated for breathing problems at its elmwood annapolis hospital , unrelated to the subsequent arson .
Romulus is found southwest of Detroit.