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WASTE DISCHARGE RE(AlkEMENTS ORDER NO. 5-01-119 (ASED) -10- STOCKTON COGEN COMPANY SAN JOAQUIN COUNTY F. Provisions: 1. The Discharger shall comply with Monitoring and Reporting Program No. 5-01-119 (REVISED),which is part of this Order, and any revisions thereto as ordered by the Executive Officer. 2. There is inadequate information available to determine if the discharge causes,has the reasonable potential to cause, or contribute to an exceedance of water quality objectives for priority pollutants, including CTR and NTR constituents, and constituents for which drinking water maximum contaminant levels (MCLs) are prescribed in the California Code of Regulation. The Discharger shall comply with the following time schedule in conducting a study of the potential effect of these constituents in the discharge and surface waters: Task Compliance Date Submit Workplan and Time Schedule Within 2 months of permit adoption Begin Study Within 2 months of Executive Officer Approval Complete Study 1-year following start of study Submit Study Report 2 months following study completion The Discharger shall submit to the Board on or before each compliance due date, the specified document or written report detailing compliance or noncompliance with the specific date and task. If noncompliance is reported, the Discharger shall state the reasons for noncompliance and include an estimate of the date when the Discharger will be in compliance. The Discharger shall notify the Board by letter when it returns to compliance with the time schedule. If after review of the study results it is determined that the discharge has a reasonable potential to cause or contribute to an exceedance of a water quality objective, this Order will be reopened and effluent limitations added for the subject constituents. 3. Effluent Limitation B.1 requires that the Discharger not discharge effluent chlorine residual in excess of 0.01 mg/1 monthly average and 0.02 mg/l daily maximum, effective 18 months after permit adoption. Effective 1 November 2003,Receiving Water Limitation E.1 requires that the discharge not cause receiving water dissolved oxygen to fall below 7.0 mg/l, and Receiving Water Limitation E.8 requires that the discharge not cause the receiving water temperature to increase more than 5°F. It is unknown if the Discharger can comply with these limitations. Within one year of adoption of this permit, the Discharger shall submit a report providing information to show the discharge can comply with the limitations or provide a time schedule to achieve compliance with the limitations. This Order may be reopened to amend the time schedule provided in Effluent Limitation B.1 and Receiving Water Limitation E.1 and/or E.8. The schedule of compliance shall include a time schedule for completing specific actions that demonstrate reasonable progress toward compliance with the limitations and shall contain a final compliance date, based on the shortest practicable time required to achieve compliance. In no event shall the compliance date exceed 10 years from the date of adoption of this permit.