41.   The accident occurred in a room used to mix low-level liquid nuclear waste with high-temperature asphalt to be packed into drums prior to disposal.

42.   The accidents took place in a room used to mix low-level liquid nuclear waste with high-temperature asphalt to be packed into drums.

43.   The damaged facility was being used to solidify low-level radioactive liquid waste by mixing it with asphalt at high temperatures.

44.   The damaged facility was engaged in solidifying low-level radioactive liquid waste by mixing it with high-temperature asphalt.

45.   The facility is engaged in solidifying low-level radioactive liquid waste by mixing it with high-temperature asphalt.