HVAC/R technician cluster /

Project staff: Ron Engstrom, Dean Larimore.

Hydrogen sulfide health effects and recommended air quality standard : prepared for the Illinois Institute for Environmental Quality /

Includes bibliographical references.

Illinois annual air quality report.

Mode of access: Internet.

Illinois mineral industry 1993-1996 and a report on water resources of Illinois /

Includes bibliographical references (p. 40-41)

Illinois mineral industry in 1992 and review of preliminary mineral production data for 1993 /

Mode of access: Internet.

Illinois public school accreditation process, February 1, 1996.

Caption title.

Illinois state implementation plan for air pollution control : 1982 plan revision for ozone and carbon monoxide.

A revision of vol. 5 of the 1979 plan.

Lead in industry : a guide for employers.

"3/90"--Colophon.

Low oil prices and the Illinois oil industry : effects, outlook, and policy recommendations /

Includes bibliographical references (p. 14).

List of air sampling stations.

Caption title.

McCormick Place expansion : and the Illinois tourism industry.

"LPU Order 34378"--Colophon.

Masters of the air.

"Illustrated by Clinton Johnston"--p. [2] of cover.

Metal Finishing Industry Workshop (Sic 347)

"May 1994."

Noxious weeds in Illinois; description and control. Illinois noxious weed law 2, 4-D and related Herbicide act.

Revisions in 1963 and 1970.

Outlook for the Illinois coal industry : report of the Illinois Coal Development Board.

"March 1992."