We did environmental safety studies and reported them to the agency.

The union wants the prisoner transfer delayed until an environmental safety study is done.

The agency could also require the companies to do additional safety studies.

Late in the program a number of safety studies were carried out.

When the safety studies were completed the various levels of government signed off on the system and released it for commercial development.

Many questions remain about such a vaccine's long-term effects, and a proper safety study could take 20 years or more.

The agency plans to use the information for safety studies.

The advisory panel will now be called to consider whether, in light of new information, the ban should continue while safety studies are done.

The agency required an additional safety study before it would approve the drug.

A special safety study is to be made at each reactor.