bombings or the texas explosion, vitd cnn's impact your world. there are ways you can help as we know so many people are trying to do. they care, they feel so far away, but there's a lot you can do. a lot of things people have been worried about in the west, texas, area was the air quality. people were talking about the fumes and smell and fear. so we're going to have the very latest on that and how significant that ammonia in the air could be after this. >> the last word that i had was that the chemical in the air aspect of it was not a significant concern. apparently that's been somewhat contained or under control.