Limnology of Lake Shabbona, De Kalb County, Illinois : May-October, 1979.

Cover title.

Limnology of Lake Taylorville, Christian County, Illinois : May-October, 1979.

Cover title.

Limnology of Lake of Egypt : May-October 1979 /

Includes bibliographical references (p. 89-93).

Leaking underground storage tank manual.

"IEPA/LPC/91-203."

Limnology of Devil's Kitchen Lake : May-October 1979 /

Bibliography: p. 89-93.

Limnology of Lake Mattoon : June-October, 1979 /

On cover: Investigations of Illinois surface waters.

Limnology of Raccoon Lake : June-October, 1979 /

Cover title.

Limnology of Stephen A. Forbes Lakes : May-October, 1979 /

Cover title.

Limnology of Pittsfield City Lake, Pike County, Illinois : May-October, 1979.

Cover title.

Limnology of Round Lake, Lake County, Illinois : May-October, 1979.

On cover: Investigation of Illinois surface waters.

List of air sampling stations.

Caption title.

LUST regulations (from Title 35 : Environmental protection; subtitle G: Waste disposal) : leaking underground storage tanks.

"Title 35: Environmental protection, subtitle G: Waste disposal, chapter I: Pollution Control Board, subchapter d: Underground injection control and underground storage tank programs, Part 731, Underground storage tanks, subpart A: Program scope and interim prohibition."--Caption title.

Nationwide urban runoff project, Champaign, Illinois : summary of Illinois street sweeping cost data /

On cover: Water quality management.

Newsletter.

Titled changed with Newsletter # 97 (January 28, 1975).

Numeric tabulation of enforcement actions.

"Enforcement actions prepared by the EPA and filed with the Pollution Control Board."