We are trying to contain the environmental damage.

Although the community as a whole is making great strides in trying to understand more about what powder flow is, we're still a very long way off from being able to take a descriptor of the particles and predict what is going to happen without the intermediate, bench-scale tests that are out there right now.

It changes each quarter, it fluctuates pretty widely.

Bringing a suit like that as a class-action is obviously designed to be sensational, get media attention. And, unfortunately, these are the kinds of lawsuits that drive up health care costs for everybody in the system.

We will defend ourselves vigorously against the allegations.

Bringing a lawsuit as a class action like that is simply designed to be sensational and get media attention, which drives up health care costs for everyone.