Nivia has been working with a local volunteer group to clean up some of the public campgrounds in the area. One afternoon while she is volunteering, she sees some workers from a local construction company burying barrels with biohazard signs on them in the woods near the campground. Nivia tells her supervisor who says that he has heard about this before as well. Which organization would likely investigate this situation?
the ERA
OSHA
the FBI
the EPA