The U. S. Environmental Protection Agency's Richard Wilkin and colleagues, have conducted research on the use of pyrotechnic devices over bodies of water noting concerns over the effects of environmental perchlorate on human health and wildlife.

The U. S. Environmental Protection Agency's Richard Wilkin and colleagues have conducted research on the use of pyrotechnic devices over bodies of water, noting concerns over the effects of environmental perchlorate on human health and wildlife.

0.027 seconds.