The decades-long drip, drip, drip of toxic chemicals from the Price Landfill in South Jersey reached crisis levels in the early '80s when the hazardous plume threatened to taint the water supply for the Atlantic City area. The site earned an emergency response and the reputation as the most polluted Superfund site in America. Now, more than 40 years later, Price Landfill has entered a new chapter…  And this time, it's helping not harming.