About one-third of such reports turn out to raise valid concerns.

The valid concerns of area residents are addressed in this legislation.

Of course, this is all speculation, but it's a valid concern for a learning tool.

If people think this is a valid concern then we need to respond to it.

This is a valid concern but not an inviolable right.

"And where there is valid concern, I think, we're responding to that in a responsible way."

That's a valid concern, especially if federal bureaucrats had to process all those applications.

You raise a valid concern and I imagine others share it.

A valid concern on a day when the temperature was past 90 degrees.

In sum, the comments raised a number of valid and interesting concerns.