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REVISED MONITORING AND REPORTING PROGRAM NO. R5-2008-0148 _8' LAWRENCE LIVERMORE NATIONAL SECURITY, LLC AND THE U.S. DEPARTMENT OF ENERGY FOR LAWRENCE LIVERMORE NATIONAL LABORATORY SITE 300 SAN JOAQUIN AND ALAMEDA COUNTIES A short discussion of the monitoring results, including notations of any water quality violations, shall precede the tabular data. 14.As required by the California Business and Professions Code Sections 6735, 7835, and 7835.1, all water monitoring reports shall be prepared under the direct supervision of a California Registered Professional Engineer or Geologist and signed by the registered professional. 15.The results of any monitoring done more frequently than required at the locations specified in the MRP also shall be reported to the Central Valley Water Board. Semi-Annual Monitoring Reports 16.The Discharger shall submit semi-annual electronic data reports, which conform to the requirements of the California Code of Regulations, Title 23, Division 3, Chapter 30. The semi-annual reports shall be submitted electronically over the internet to the State Water Board Geotracker database system by the 1st day of the third month following the second and fourth calendar quarter (i.e. by 1 March and 1 September) until such time as the Executive Officer determines that the reports are no longer necessary. 17. In addition, hardcopies of the semi-annual monitoring reports shall be submitted to the Central Valley Water Board by the 1st day of the third month following the second and fourth calendar quarter (i.e. by 1 March and 1 September) 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 narrative description of all preparatory, monitoring, sampling and analytical testing activities, including trends in the concentrations of pollutants, if applicable, groundwater elevations in the wells, and how and when samples were collected. b. The narrative shall be supported by field logs for each groundwater monitoring well documenting depth to groundwater; measuring point elevation (e.g. top of casing elevation), parameters measured before, during, and after purging; method of purging; calculation of the casing volume; and total volume of water purged. c. Groundwater contour maps for all groundwater zones, if applicable. d. 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. e. Cumulative data tables containing the water quality analytical results and depth to groundwater.