The Electronic Documents of Illinois provides permanent public access to official publications of the State of Illinois which have been deposited in electronic form.
This document provides the results of the Illinois Ozone Emission Inventory for 2008 and a general description of the methods used to calculate the emissions.
The primary purpose of this technical support document is to demonstrate that the proposed amendments to the Illinois mercury rule are both technically feasible and economically reasonable.
This document is the description of the methods used to compile the 2002 base year inventory for ozone. It includes CO, NOx and VOM emissions for point, area, on-road mobile, off-road mobile and biogenic emissions for the entire State of Illinois.
This document describes Illinois Maintenance Plan for the Illinois portion of the Chicago fine particulate matter (PM2.5) nonattainment area (NAA), hereafter referred to as the Chicago NAA. An approved Maintenance Plan is required before an area can be redesignated from nonattainment to attainment of a National Ambient Air Quality Standard (NAAQS). This document provides technical information required to support a request to redesignate the Chicago NAA to attainment of the 1997 annual PM2.5 NAAQS. This revision incorporates motor vehicle emissions estimates developed using the U.S. EPAs MOVES model.
This document provides the results of the Illinois PM and Haze Emission Inventory for 2008 and a general description of the methods used to calculate the emissions.
Illinois Commerce Commission On Its Own Motion -vs- Northern Illinois Gas Company d/b/a Nicor Gas Company: Reconciliation of revenues collected under gas adjustment charges with actual costs prudently incurred.
Concurrent with the compilation of the 2008 Ozone and PM emission inventories, Illinois EPA undertook the task of calculating greenhouse gas emissions for the entire state and all source categories. This document provides the results of this inventory.