August 5, 1999COMMONWEALTH EDISON COMPANY (LaSalleGeneration Station),Petitioner,v.
ILLINOIS ENVIRONMENTAL PROTECTION AGENCY,
Respondent.
Adm.
Code 302.211, and 304.141(b), and
(c); and (2) petitioner’s National Pollutant Discharge Elimination System (NPDES) Permit No.
2.
During the term of this provisional variance, whenever discharge temperatures exceed 90
degrees Fahrenheit, the Dresden Power Station shall be operated in such a manner as to allowonly essential electrical production needs to be maintained. Awritten summary of this data shall be submitted to the Agency within 30 days after the varianceperiod is completed. Illinois Sup...
Allowed
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