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REVISED MONITORING AND REPORTING PROGRAM ORDER NO. R5-2015-0012-003 4 DIAMOND FOODS INC., 1050 SOUTH DIAMOND STREET, STOCKTON, CA IN-SITU REMEDIATION OF HEXAVALENT CHROMIUM 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. The results of any monitoring done more frequently than required at the locations specified in the Monitoring and Reporting Program shall also be reported to the Central Valley Water Board. As required by the California Business and Professions Code Sections 6735, 7835, and 7835.1, all reports shall be prepared by a registered professional Civil Engineer or Geologist or their subordinate and signed by the registered professional. The Discharger shall submit at least two (2) quarterly electronic data reports, which conform to the requirements of the California Code of Regulations, Title 23, Division 3, Chapter 30. The quarterly reports shall be submitted electronically over the internet to the GeoTracker database system by the 1st day of the second month following the end of each calendar quarter by 1 February, 1 May, 1 August, and 1 November, or a date approved in writing by Central Valley Water Board staff. Each quarterly report shall include the following minimum information: 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; 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.; groundwater contour maps for all groundwater zones, if applicable; pollutant concentration maps for all groundwater zones, if applicable; a table showing well construction details such as well number, groundwater zone being monitored, coordinates (longitude and latitude), ground surface elevation, reference elevation, elevation of screen, elevation of bentonite, elevation of filter pack, and elevation of well bottom; a table showing historical lateral and vertical (if applicable) flow directions and gradients; cumulative data tables containing the water quality analytical results and depth to groundwater; a copy of the laboratory analytical data report, which may be submitted in an electronic format; and a description of injection activities including quantities of water and amendments injected into the groundwater, and time period that the amendments were injected into the aquifer.