In a victory for recyclers and enviros, the EPA this week is set to ban the dumping of fluorescent light bulbs into landfills and require bulk buyers of the tubes to recycle them or throw them in special hazardous waste landfills. The new rules, which would reject a competing plan by light manufacturers to allow the mercury-bearing bulbs to be disposed of in regular landfills, would end nearly a decade of debate within the EPA over how to deal with the 600 million tubes tossed each year.