National performance audit program : 1980 proficiency surveys for sulfur dioxide, nitrogen dioxide, carbon monoxide, sulfate, nitrate, lead and high volume flow /

Mode of access: Internet.

Feasibility of primary copper smelter weak sulfur dioxide stream control /

Mode of access: Internet.

An economic evaluation of proposed amendments to the Illinois sulfur dioxide regulations, R74-2, R75-5, and R76-9 /

"Project no. 10.062."

Potential relaxation of Illinois sulfur dioxide regulations and source-specific emission limits and their effect on the use of Illinois coal /

"October, 1983."

Technical analysis of the state implementation plan for sulfur dioxide in the Peoria area.

"January, 1981."

Injury to Northwestern forest trees by sulfur dioxide from smelters /

Caption title.

EPA-approved revisions to state implementation plans allowing increased sulfur dioxide emissions were legal : report to the chairman, Subcommittee on Oversight and Investigations, Committee on Energy and Commerce, House of Representatives /

"B-217221"--1st prelim. p.

Acid rain and transported air pollutants : implications for public policy.

Mode of access: Internet.

Economic impact of relaxing the regulation on sulfur content of fuel oils (R 75-8) /

Project no.10.059.