Yes.
This is such a minimalistic question that those who answered "No" should be ashamed of themselves, because they do not believe it.
Even minimally, government is going to be used as a mechanism to enforce contracts between employers and employees. There's hundreds of years of precedent for both common and civil law to bound the range of permissible contracts. It is reasonable to demand that no worker be asked to work in a workplace that is markedly less safe than would be reasonably possible.
But government should also bound the market in broader ways too. I eventually believe in replacing capitalistic work relations with more just institutions (specifically parecon institutions), but for now the government should amplify justice by constraining the market.