SITE INFORMATION AND CORRESPONDENCE_1993-2003

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, • WASTE DISCHARGE REQUIREMENTS - 9 - DEFENSE 9 - DEFENSE DISTRIBUTION REGION WEST SHARPE INTERIM GROUND WATER CLEANUP SYSTEM SAN JOAQUIN COUNTY Compliance Report Task Date Date Submit a workplan and time schedule I February 1996 1 March 1996 Begin Study 1 May 1996 1 June 1996 Complete Study 1 August 1997 1 September 1997 The Discharger shall submit to the Board on or before each compliance report due date, the specified document or, if appropriate, a written report detailing compliance or noncompliance with the specific schedule date and task. If noncompliance is being reported, the reasons for such noncompliance shall be stated, plus an estimate of the date when the Discharger will be in compliance. The Discharger shall notify the Board, in writing,when it returns to compliance with the time schedule. The Discharger shall also submit Quarterly Status Reports, due by the 20th day of the month following the end of a calendar quarter, of the progress being made on the separate elements of the above compliance schedule during the previous calendar quarter, beginning 20 January 1996. 4. Based on the results of the above study, and the responsibility of the Discharger for the presence of the constituents of concern in the ground water, this Order may be reopened and effluent limitations added or deleted for the subject constituents. 5. The Discharger shall conduct the chronic toxicity testing specified in the Monitoring and Reporting Program. If the testing indicates that the discharge causes, has the reasonable potential to cause, or contributes to an in-stream excursion above the water quality objective for toxicity, the Discharger shall submit a workplan to conduct a Toxicity Reduction Evaluation(TRE) and upon approval conduct the TRE, and this Order will be reopened and a chronic toxicity limitation included and/or a limitation for the specific toxicant identified in the TRE included. Additionally, if a chronic toxicity water quality objective is adopted by the State Water Resources Control Board, this Order may be reopened and a limitation based on that objective included. 6. The Discharger shall use the best practicable cost-effective control technique currently . available to limit mineralization to no more than a reasonable increment. 7. The Discharger shall comply with all the items of the "Standard Provisions and Reporting Requirements for Waste Discharge Requirements (NPDES)", dated 1 March 1991, which are part of this Order. This attachment and its individual paragraphs are referred to as "Standard Provision(s)".