yes i mean it was in one thousand maybe one that the air force actually looked into these specifics the air force aerospace medical research laboratory started conducting tests and finally it was a certainty as to about exposure to earlier versions of the p.f.a. asses that we were talking about and they found out they were harmful in female rats and caused behavioral changes in offspring so it wasn't a major role of the women and their children get a fact. but it wasn't until august of twenty sixteen twenty six scene that they are for a start of replacing the original firefighter foam with a new environmentally responsible so this thing that they knew caused harm was harmful in female rats and cause behavior problems in their offspring mates kept spraying it around and then finally in twenty six they went all right well over a place by far of hollywood decided suddenly e.p.a. had said no this thing is actually rather dangerous and we shouldn't be using only products that all you know you see that have a lot to the military might be a step behind cutting edge on taking over safety does go beyond that there's also this idea we have a t