41.   A. First of all, cellulose is not a hazardous material and can be disposed of at curbside collection.

42.   A train carrying hazardous materials derailed Wednesday evening, and no baseball has been played at the park since.

43.   A sweep of the plane and the luggage on board found no signs of hazardous material, Clare Impett, a Port of Seattle spokeswoman, said.

44.   A tiny but unanticipated amount of hazardous materials, including dangerous PCBs, arsenic, chromium and certain leads, also have popped out.

45.   After seeing the posted warning, police withdrew and waited for the hazardous materials team from the local fire department to arrive.

46.   Agents seized files related to the handling, storage and disposal of hazardous materials in connection with the fatal explosion.

47.   All of the truckers hauling hazardous material will have their licenses verified through a Mexican database.

48.   Ahmed was questioned about two Arab immigrants arrested on suspicion of buying licenses to drive trucks with hazardous materials.

49.   Airlines are permitted to carry hazardous materials, but the shipments are subject to strict federal regulations and require special labeling, documentation, handling and loading.

50.   Alcan objected, saying it was not responsible for hazardous materials at the site.