Effects of acid precipitation on soil leachate quality : computer calculations /

Mode of access: Internet.

Illinois Conference on Soil Conservation and Water Quality : conference proceedings of November 9-10, 1983 at Holiday Inn East, Springfield, Illinois /

Includes bibliographical references.

Illinois Quality Schools Index : manual and instruments.

On cover: IQSI manual.

Land pollution : strategies for emergency action : submitted to Illinois Institute for Environmental Quality /

Includes index.