The same bacteria that causes your hamburger dill pickles to spoil could also clean up dyes in textile-factory wastewater, according to food scientists from the U.S. Department of Agriculture’s Agricultural Research Service. The implications of their research are nothing to scoff at: The textile industry releases billions of gallons of polluted effluent into local fresh water sources each year, much of which comprises petrochemical-based AZO dyes known to have mutagenic properties.