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MONITORING AND REP G PROGRAM NO. R5- % -4 - ST 4 - ST SERVICES, L.L.C. AND NUSTAR ENERGY L.P. BULK FUEL TERMINAL #29 STOCKTON, SAN JOAQUIN COUNTY (i) if applicable, the status of any ongoing remediation, including cumulative information on the mass of pollutant removed from the subsurface, system operating time, the effectiveness of the remediation system, and any field notes pertaining to the operation and maintenance of the system; and (j) if applicable, the reasons for and duration of all interruptions in the operation of any remediation system, and actions planned or taken to correct and prevent interruptions. An Annual Report shall be submitted to the Board by 1 February of each year. This report shall contain an evaluation of the effectiveness and progress of the investigation and remediation, and may be substituted for the fourth quarter monitoring report. The Annual Report shall contain the following minimum information: (a) both tabular and graphical summaries of all data obtained during the year; (b) groundwater contour maps and pollutant concentration maps containing all data obtained during the previous year; (c) a discussion of the long-term trends in the concentrations of the pollutants in the groundwater monitoring wells; (d) an analysis of whether the pollutant plume is being captured by an extraction system or is continuing to spread; (e) a description of all remedial activities conducted during the year, an analysis of their effectiveness in removing the pollutants, and plans to improve remediation system effectiveness,- the ffectiveness;the anticipated date for completion of cleanup activities; (g) an identification of any data gaps and potential deficiencies/redundancies in the monitoring system or reporting program; (h) if desired, a proposal and rationale for any revisions to the groundwater sampling plan frequency and/or list of analytes. The results of any monitoring done more frequently than required at the locations specified in the MRP also shall be reported to the Regional Board. The Discharger shall implement the above monitoring program as of the date of the Order. Ordered by: PAMELA C. CREEDON Executive Officer (Date)