Protection of the ozone layer.

Mode of access: Internet.

Online literature searching and databases at the U.S. Environmental Protection Agency, Environmental Research Center, Library, Cincinnati, Ohio /

Mode of access: Internet.

A Preliminary analysis of the public costs of environmental protection : 1981-2000.

"May 1990."

Control of air emissions from materials handling during remediation.

Mode of access: Internet.

President's Private Sector Survey on Cost Control : report on the Environmental Protection Agency, the Small Business Administration and the Federal Emergency Management Agency.

J. Peter Grace, Executive Committee Chairman.

Impact of air pollution on the consumption of medical services : cost of hospitalization in the Portland metropolitan area /

Mode of access: Internet.

Intermedia aspects of air and water pollution control,

Prepared for Office of Research and Development, U.S. Environmental Protection Agency under contract 68-01-0729, program element 1H1093.

Glossary for air pollution control of industrial coating operations : (with graphical aids for rapid estimation of acceptable compliance alternatives) /

Mode of access: Internet.

A biological and water quality survey of Sugar Creek and tributaries, Crawford County, Illinois, August-September, 1992 /

"IEPA/WPC/93-063."--Cover.

A water quality survey of the Grand Calumet River from the Indiana State line to Burnham, Illinois : the Grand Calumet River portion of segment A-12 Des Plaines/Lake Michigan Basins, April-August, 1978.

Edited by Robert Schacht.

Air, land & water : activity book : fifth and sixth grades /

"Materials may be duplicated for classroom/activity use."

Air, land & water : teachers' manual : fifth and sixth grades /

"Materials may be duplicated for classroom/activity use."

An intensive survey of Shawnee National Forest region streams of southern Illinois, 1986-1987 /

"IEPA/WPC/90-171."--Cover.

An intensive survey of the Eagle Creek Basin, Saline and Gallatin Counties, Illinois : 1986-1987 /

"March 1988."--Cover.

An intensive survey of the Sugar Creek Basin, Crawford County, Illinois, 1986 /

"IEPA/WPC/88-030."--Cover.