From 16 Deaths Per Day in the USA:
Sixteen workers are killed a day in the United States because of reckless negligence on the part of their employers. Under existing laws, these employers get a slap on the wrist, or walk away scot-free. Meanwhile, workers who blow the whistle face threats and retaliation at the workplace.
You can sign a petition against this here.
The number of workplace accidents and illnesses in the US is vastly underreported, according to a survey by the Government Accountability Office: here.