An Economic impact analysis of proposed amendments to public water supply regulations pending before the Illinois Pollution Control Board, R85-14 : final report /

"August 1987."

An Economic impact study of petition for regulatory relief from phosphorus effluent limits, city of Pana : R84-44 : final report /

"Printed: April 1988."

Economic impact analysis of combined sewer overflow regulations on East St. Louis, R81-12 /

Project no. 80.264.

Economic impact assessment regarding R82-3 : a site specific exemption for the Alton Water Company /

Project 80.280.

Economic impact study of proposed IPCB amendments to water pollution regulations, R80-6 /

Project no.: 80.235.

Economic impact study of proposed site specific changes to water pollution regulations affecting the city of Tuscola, Douglas County, Illinois : final report /

Contract: EA 44.

Economic impact of proposed water quality and effluent standard amendments for water in the Sangamon River Basin /

"November 1986."

Economic impact study of R81-11 trihalomethane standards for public water supplies /

"Project no. 80-254."

Economic impact study of landfill regulations (R88-7) : final report /

"Printed: January 1990."

Economic impact study for proposed groundwater quality standards 35 IL Admin. Code 260 : final report /

"Contract: EA 98."

Economic impact study of proposed cross connection regulations, R87-37 : final report /

"Project: 89/283."

Economic impact study of proposed regulation R82-7 for site-specific water pollution rules applicable to the city of Alton, Illinois /

Bibliography: p. R-1 to R-3.

Economic impact study of proposed IPCB regulation sections 215.240 and 215.207 : final report /

"Printed: June 1987."

Review of "economic impact studies" in pollution control regulation /

"Printed: March 1988."

The Economic impact of revised measurement methods for emissions of sulfur compounds, proposed regulations R87-31 : final report /

"Project: 88/223."