Editing Mio, Michigan (section)

===PBB contamination event===
In 1973, a [[Polybrominated biphenyl|polybrominated biphenyl (PBB) contamination event]] caused farmers in the area to destroy their herds. This event occurred when a dock worker accidentally shipped five hundred pounds of fire retardant Fire Master instead of the feed supplement Nutrimaster,<ref name=":0">{{Cite news|url=http://www.freep.com/story/news/local/michigan/2014/12/28/pbb-crisis-unfolded/20974929/|title=PBB exposure forced farmers to destroy their herds|work=[[Detroit Free Press]]|access-date=March 27, 2017|language=en}}</ref> leading to the contamination of various farm animals, including cows, pigs, chickens, and sheep. Shortly after, the farmers noticed deformities and sickness among their livestock and newborn calves. More than 35,000 cows were found to be contaminated and had to be destroyed. Out of these, 1,300 were dumped into a clay-lined pit in Mio.<ref name=":0" /> As of 2014, PBB is still detectable in the blood tests of some people in this area.<ref name=":0" />