References
- Richardson, W. I., Endicott, D. D., Kreis, R. G. & Rygwelski, K. R, (eds) 1998: Quality Assurance Plan for Mathematical Modeling. — U.S. Environmental Protection Agency. Office of Research and Development, National Health and Environmental Effects Research Laboratory, Duluth, Minnesota.
- Usepa, 1997a: Lake Michigan Mass Budget/Mass Balance Work Plan. — U.S. Environmental Protection Agency, Great Lakes National Program Office, Chicago, Illinois. EPA- 905/R-97-018.
- Usepa, 1997b: Lake Michigan Mass Balance Study (LMMB) Methods Compendium, Volume 1: Sample Collection Techniques. — U.S. Environmental Protection Agency, Great Lakes National Program Office, Chicago, Illinois. EPA- 905/R-97-012a, 403 pp.
- Usepa, 1997c: Lake Michigan Mass Balance Study (LMMB) Methods Compendium, Volume 2: Organic and Mercury Sample Analysis Techniques. — U.S. Environmental Protection Agency, Great Lakes National Program Office, Chicago, Illinois. EPA-905/R-97-012b, 532 pp.
- Usepa, 1997d: Lake Michigan Mass Balance Study (LMMB) Methods Compendium, Volume 3: Metals, Conventionals, Radiochemistry and Biomonitoring Sample Analysis Techniques. — U.S. Environmental Protection Agency, Great Lakes National Program Office, Chicago, Illinois. EPA- 905/R-97-012C, 505 pp.
- Usepa, 1998: EPA Guidance for Quality Assurance Project Plans. — U.S. Environmental Protection Agency, Office of Research and Development, Washington, D.C. EPA/600/R-98/018.