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REVISED MONITORING AND REPORTING PROGRAM ORDER NO. R5-2008-0148 -7- LAWRENCE LIVERMORE NATIONAL SECURITY, LLC AND THE U.S. DEPARTMENT OF ENERGY FOR LAWRENCE LIVERMORE NATIONAL LABORATORY SITE 300 SAN JOAQUIN AND ALAMEDA COUNTIES 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. f. The frequency, quantity and discharge method and location of wastewater generated from the operation and maintenance of the drinking water system. 18. Copies of the laboratory analytical data reports shall be maintained by the Discharger and provided upon request to the Central Valley Water Board or its representatives.