10-6-1: PURPOSE:
   A.   I-1 District: The purpose of the I-1 light industrial district is to provide for commercial uses, storage and those manufacturing uses not normally creating a nuisance discernible beyond its property.
   B.   I-2 District: The purpose of the I-2 heavy industrial district is to provide for industrial uses not allowed in any other district; providing, that within this district, uses of a hazardous nature or those producing extensive smoke or odor shall not be located so that the general hazard or nuisance affects a large segment of the community. (Ord. 1793, 2-7-1977)
   C.   I-3 District: The purpose of the I-3 district is to provide for industrial uses relating to electrical generation facilities and associated and related uses, including, but not limited to, coal gasification, storage and landfills, and for the mining, extraction, processing, washing, storage, and transporting of coal and the storage of ash and other refuse from the processing of coal, and including equipment, buildings, or structures related to such uses; providing, that within this district such uses that may emit detrimental or obnoxious noise, vibrations, smoke, odors, dust, or other objectionable conditions beyond the confines of its property shall be in compliance with any requirements of the state of Illinois environmental protection agency. (Ord. 3177, 6-7-2004)