41.   There was a strong chemical odor after the explosion, she said.

42.   When a construction worker at the public health clinic in southern Stockholm approached the toilet door Wednesday, he noticed a strong odor.

43.   When a worker at the public health clinic in southern Stockholm went into the toilet Wednesday, he noticed a strong odor from one of the stalls.

44.   Hydrogen sulfide is a flammable, toxic, colorless gas with a strong odor.

45.   Though motel employees had detected a strong odor for several days, the staff put the couple in the room anyway, police said Thursday.

46.   Residents also reported a strong odor of sulfur.

47.   Residents also reported a strong odor of sulpher.