1. and Methods for Evaluating the Attainment of Cleanup Standards. Volume 1: Soils and Soil Media, EPA 200/02-89-042, U.S. Environmental Protection Agency, Office of Policy, Planning, and Evaluation, Washington, DC (1989).
2. U.S. Environmental Protection Agency, Statistical Analysis of Ground-Water Monitoring Data at RCRA Facilities: Interim Final Guidance, Office of Solid Waste, Waste Management Division, Washington, DC (1989).
3. Chemometrics Intell. Lab. Syst. (1991).
4. Biological water quality assessment of running waters based on macroinvertebrate communities: History and present status in Europe