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MONITORING AND REPOR-0 PROGRAM NO. 135-2008-0817 • WESTERN FARM SERVICE INC AGRIUM 4 SAN JOAQUIN COUNTY REPORTING When reporting the data, the Discharger shall arrange the information in tabular form so that the date, the constituents, and the concentrations are readily discernible. The data shall be summarized in such a manner as to illustrate clearly the compliance with this Order. As required by the California Business and Professions Code Sections 6735, 7835, and 7835.1, all reports shall be prepared by a registered professional or their subordinate and signed by the registered professional. Semi-annual electronic reports, which conform to the requirements of the California Code of Regulations. Title 23, Division 3, Chapter 30, shall be submitted electronically over the internet to the State Water Board Geotracker database system by the 1st day of the second month following the end of respective calendar quarter (i.e., by 1 May and 1 November), until such time as the Executive Officer determines that the reports are no longer necessary. Semi-annual paper copy reports shall be submitted to the Regional Water Board by the 1st day of the second month following the end of each respective calendar quarter (i.e., by 1 May and 1 November) until such time as the Executive Officer determines that the reports are no longer necessary. Each semi-annual report shall include the following minimum information: (a) A description and discussion of the groundwater sampling event and results, including trends in the concentrations of pollutants and groundwater elevations in the wells, how and when samples were collected, and whether the pollutant plume(s) is delineated. (b) Field logs that contain, at a minimum, water quality parameters measured before, during, and after purging, method of purging, depth of water, volume of water purged, etc. Field logs may be submitted on electronic media. (c) Groundwater contour maps for all groundwater zones, if applicable. (d) Figures for all groundwater zones with summaries of analytical results posted next to respective monitoring wells, if applicable. (e) Isocontour pollutant concentration maps for 1 ,2,3-trichloropropane in first and second water-bearing zones. (f) A table showing well construction details such as well number. groundwater zone being monitored, coordinates (longitude and latitude), ground surface elevation.