SITE INFORMATION AND CORRESPONDENCE_2001-2005

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MONITORING AND REPORTING PROGRAM NO. • - 3 - Lincoln 3 -Lincoln Center, Stockton San Joaquin County REPORTING When reporting data, the Discharger shall arrange the information in tabular form so that the D 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. In addition, the Discharger shall notify the Board within 48 hours of any unscheduled shutdown of any soil vapor and/or groundwater extraction system. As required by the California Business and Professions Code Sections 6735, 7835, and 7835.1, T all reports shall be prepared by a registered professional or their subordinate and signed by the registered professional. Bi-annual reports shall be submitted to the Board by the 1st day of the second month following the end of first and third calendar trimester(i.e., by 1 June and 1 February) until such time as the Executive Officer determines that the reports are no longer necessary. Each bi-annual report is to include the following minimum information: (a) a description of the groundwater sampling event, including field logs. At a minimum, field logs shall contain water quality parameters measured before, during, and after purging, method of purging, depth of water, volume of water purged, etc.; (b) groundwater contour maps for all groundwater zones, if applicable; (c) isocontour contaminant concentration maps for all groundwater zones, if applicable; T (d) a table showing well construction details such as well number, groundwater zone being 1"1 monitored, coordinates (northings and eastings), ground surface elevation, reference 11 elevation, elevation of screen, elevation of bentonite, elevation of filter pack, and elevation of well bottom; (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 T groundwater in printed and electronic spreadsheet format (data in electronic spreadsheet 1 format will also be submitted by October 1 following the second tri-annual sampling event with a cover letter noting significant sample analysis results such as new detections, significant increases or decreases in measured concentration levels and other pertinent remedial system operational changes); (g) a copy of the laboratory analytical data report;