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N MONITORING AND REPORTINAGRAM NO. R5-2002-0826 • WESTERN FARM SERVICE -3 - FORMER 3 - FORMER PUREGRO AGRICULTURAL CHEMICAL FACILITY STOCKTON, SAN JOAQUIN COUNTY (e) a table showing historical lateral and vertical (if applicable) flow directions and gradients; (f) cumulative data tables containing the water quality analytical results and depth to groundwater; (g) a copy of the laboratory analytical data report; (h) 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 (i) 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 November of each year. This report shall contain an evaluation of the effectiveness and progress of the investigation and remediation, and may be submitted with the second semi-annual monitoring report. The annual report shall contain the following minimum information: (a) both tabular and graphical summaries of all data obtained during the previous 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; (c) the anticipated date for completion of cleanup activities; (d) an identification of any data gaps and potential deficiencies/redundancies in the monitoring system or reporting program; (e) if desired, a proposal and rationale for any revisions to the groundwater sampling plan frequency and/or list of analytes.