Economic impact of allowing open burning in disaster areas, R78-2 /

"Project officer: Michael H. Friedman."

Economic impact of removing numerical limits on sound emissions to class C land, R76-19 /

"Project no. 30.014."

Economic assessment of resources recovery and utilization from coal fine wastes /

"Project no. 80.183."

Economic impact of changing the carbon monoxide emission limitations for steel mills, R78-1 /

Includes bibliographical references.

Economic impact of proposed regulation R77-12 (Rule 950) on wastewater sludge disposal in the State of Illinois /

Includes bibliographical references.

Economic impact of requiring maintenance/malfunction plans for air pollution control equipment, R79-3 /

Project no. 10.080.

Economic impact of proposed amendments to snowmobile noise regulations, R79-10 /

Bibliography: p. 12.

Effect of RACT II environmental controls in Illinois, R80-5 /

"August 1981."

Economic impact study of proposed airport noise regulations, R77-4 /

"January 1981."

Economical flue gas desulfurization resulting in valuable fertilizer : supplemental condensation of report /

Supplemental condensation of the author's Valuable fertilizer products from high sulfur coal stack gas.

Economic impact of the proposed change in the hydrocarbon emission limitation for petrochemical manufacturing processes (R77-3) /

Project no. 10.065.

Energy and labor cost of alternative coal-electric fuel cycles /

"Project no. 80.172."

Environmental impact and health effects of wastewater chlorination /

Project no.: 80.125.

Evaluation of existing data on discharges from active coal mines in Illinois /

"Project no. 60.040."

Identification of sources causing TSP non-attainment in the Peoria area : analysis of historical high-volume filters /

"Project no. 10.064."