21.   Deaths attributable to radiation exposure occurred at doses substantially below U.S. worker safety limits, the study found.

22.   Eleven other workers plus five nearby residents are being treated for lower-level radiation exposure.

23.   Frequent trips on some flight paths would exceed the recommended annual limit for radiation exposure and could explain the higher incidence of cancer among some flight crews.

24.   He said in cases of radiation exposure there would be malignant disorders and cancers, such a leukemia.

25.   In addition to new concerns about radiation exposure, Boeing is the subject of several lawsuits alleging chemical contamination of neighborhoods surrounding the Santa Susana Field Lab.

26.   In any case, plant safety is improving overall, Meserve said during his talk, citing measurements such as emergency shutdown rates and radiation exposure to workers.

27.   In Ukraine, echinacea is even being used to treat radiation exposure from the nuclear power plant disaster at Chernobyl, researchers at the conference said.

28.   It assumes that there is no safe dose of radiation and that the risk of getting cancer or genetic damage increases along with radiation exposure.

29.   Instead, the plaintiffs need to show that radiation exposure at a certain level will cause a particular ailment in the general population, the court ruled.

30.   Latent maladies from radiation exposure materialize like haunting nightmares.