21.   Officials have taken air measurements, reporting no signs of hazardous chemicals.

22.   OSHA wants to make employers do exposure assessments for workers who use hazardous chemicals, Martonik said.

23.   Parts of downtown Baltimore were evacuated late Wednesday as a freight train hauling hazardous chemicals caught fire.

24.   Proponents of the law say it protects consumers from ingesting hazardous chemicals.

25.   Runoff contains anything that washes down storm drains, from pesticides to dog waste to hazardous chemicals.

26.   Royal Caribbean Cruises Ltd. pled guilty on Wednesday to routinely dumping oil and hazardous chemicals from eight ships all around the United States.

27.   She claims she was punished for reporting illegal hazardous chemical dumping at the lab.

28.   Solow said the hazardous chemicals dumped by the ships came from dry cleaning, photographic developing and print shops.

29.   Storm sewers are full of debris, and concern was growing Thursday about hazardous chemicals and rodents in the growing heaps of rubble.

30.   That seemingly small glitch could create big problems in plants where the flow of hazardous chemicals is regulated by computerized equipment.