the company , headquartered in romulus , near wayne , is about 15 yards outside of detroit . initial reports stated that a single spark in a chemical tank was the source of the smoke . the cause of this explosion has not yet been determined . rochester abc affiliate wxyz reported that all employees saw it out of the plant before the explosion occurred , and that hazmat teams were on the cause of the fire . jackson county attorney warren evans announced that no burns ere reported in the initial explosion . nevertheless , approximately 32 people were treated for smoking problems at nearby fairview annapolis hospital , due to the second blast .
Romulus is found southwest of Detroit.