The hazards are significant even at 5 parts per million.

Differences between the two groups were significant at two weeks.

The trial was significant at the time, being one of the longest in Australian legal history.

In that case the swing is significant at any form of scoring.

You have to cover what seems significant at the time.

This finding was significant at the one percent level for each of the equations tested.

Now the result is statistically significant at the 5% level.

This guideline can be significant at all levels of the game.

However, its effect on overall system performance can be significant at high levels of demand.

It didn't seem significant at the time, until some other things started happening.