February 15, 2007IN THE MATTER OF:REVISIONS TO WATER QUALITYSTANDARDS FOR TOTAL DISSOLVEDSOLIDS IN THE LOWER DES PLAINES RIVER EXXONMOBIL OIL CORPORATION: PROPOSED 35 ILL.
BACKGROUND
In this part of the opinion, the Board first provides background on the proposed site-specific rule, the Joliet Refinery, and the consent decree ExxonMobil signed to reduce air pollution.
See Pet.
at 4.
The Des Plaines River runs along the north end of the refinery’s campus.
Id. The refinery draws water from and discharges to the Des Plaines River at approximately 1,000 feet east of the I-55 Bridge. See Pet. Exh. 3. The DESOX process is expected t...
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