A multistep enrichment process with custom growth medium improves resuscitation of chlorine-stressed coliforms from secondary sewage effluents.

Chemical and Biological Signatures Group, National Security Directorate, Pacific Northwest National Laboratory, P.O. Box 999, Richland, WA 99352, USA. Statistical Modeling and Experiment Design Group, National Security Directorate, Pacific Northwest National Laboratory, P.O. Box 999, Richland, WA 99352, USA. Experimental Therapeutics Branch, Walter Reed Army Institute of Research, Fort Detrick, MD 21702-5000, USA. U.S. Army Medical Research and Development Command, Military Operational Medicine Research Program, Fort Detrick, MD 21702-5000, USA. Experimental Therapeutics Branch, Walter Reed Army Institute of Research, Fort Detrick, MD 21702-5000, USA; General Dynamics Information Technology, Falls Church, VA 22042, USA. Chemical and Biological Signatures Group, National Security Directorate, Pacific Northwest National Laboratory, P.O. Box 999, Richland, WA 99352, USA. Electronic address: janine.hutchison@pnnl.gov.