We don’t yet know if Kalamazoo’s Allied Paper Landfill can be cleaned up using microorganisms. The company that wants to do that, BioPath Solutions, is still testing its product. But if BioPath gets the go-ahead from the U.S. Environmental Protection Agency, it might remove the waste. Many residents have said that’s what they want. But they would also have to deal with some noise and some unpleasant smells.