I read further, into the articles. Times beach was a health hazard, because of the over spraying of a few hundred thousand gallons in the area, and the indoor spraying, of a horse arena. No health problems have been associated with that incident(except dead birds and rodents inside the arena), and fear mongering was blamed for the hysteria there.Remember this?
Chemical contamination prompts evacuation of Missouri town - HISTORY
Times Beach, Missouri - Wikipedia
North Carolina Recycling Business and Owner Sentenced to Unlawful Handling of PCB-Contaminated Oil, Tax Violations, and False Statements | OPA | Department of Justice
The other article basically talks about a business owner violating EPA rules, and getting hammered for it.
If you really want to get all up in arms, test the soils at Railroad Switching Yards. Or, the soil under railroad tracks. But, since the railways are an American necessity, and people love trains, those studies are usually buried.