Peterson, D.G. and E. Giles. 1993. Atrazine label changes. Resource Update 1, April 1993, Illinois Cooperative Extension Service, University of Illinois at Urbana- Champaign.

Hirschi, M. C., E. Bromberg, D. G. Peterson and E. Giles. 1993. Water quality assistance: Who to contact in Illinois. Resource Update 2, July 1993, Illinois Cooperative Extension Service, University of Illinois at Urbana-Champaign.

Funk, T.L. 1993. Disposing of contaminated milk. Resource Update 3, October 1993, Illinois Cooperative Extension Service, University of Illinois at Urbana-Champaign.

Farnsworth, R.L., D.G. Peterson and M. Gray. 1994. T by 2000 - A 1994 update. Resource Update 4, February 1994, Illinois Cooperative Extension Service, University of Illinois at Urbana-Champaign.

Frazee, R.W. and D.G. Peterson. 1994. Conservation compliance - A 1994 update. Resource Update 5, February 1994, Illinois Cooperative Extension Service, University of Illinois at Urbana-Champaign.

Bromberg, E. and C. Frank. 1994. Lead in submersible pumps. Resource Update 6, July 1994, Illinois Cooperative Extension Service, University of Illinois at Urbana- Champaign.

Bromberg, E. 1995. Safe drinking water: Microbial standards help ensure water quality for customers. Resource Update 7, May 1995, Cooperative Extension Service, University of Illinois at Urbana-Champaign.