EPA Say This about BioRemediations The United States is the world leader in the field implementations of Bioremediation, an attractive alternative to conventional methods of cleaning up persistent hazardous wastes in the environment. Because bioremediation can be an effective, non-disruptive and cost-effective means of reducing or eliminating man toxic material . its should have an ever-increasing role in the successful remediation of hazardous waste and chemical spill site around the world.