SR0082876 (4) - Laserfiche WebLink

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Former Unocal #6981 6 13 April 2017 Stockton, San Joaquin County database until such time as the Executive Officer determines that the reports are no longer necessary. Each 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, groundwater elevations in the wells, how and when samples were collected, and whether the pollutant plume(s) is delineated and stable. (b) Groundwater elevation contour maps for all groundwater zones. (c) Isocontour pollutant concentration maps for all groundwater zones and all detected constituents. (d) Map(s) showing all soil and groundwater sampling locations, permanent and temporary. (e) Tabulated monitoring well and remediation well construction details, such as well number/name, 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. (f) Tabulated historical and current groundwater analytical results, measured depth to groundwater, and thickness of product (if applicable) for all monitoring wells and remediation wells. (g) Tabulated historical and current vertical (if applicable) and lateral flow directions and gradients. (h) Tabulated soil analytical results and sample depths for all samples collected in association with the Site investigation. Denote which sample locations have been excavated or are located in an area subject to active soil remediation. (i) A copy of the laboratory analytical data report for all samples analyzed during the reporting period. (j) Field logs that contain, at a minimum, water quality parameters measured before, during, and after purging, volume of water purged, method of purging, depth of water, and, if applicable, depth and thickness of floating free phase petroleum product. 4. The results of any monitoring done more frequently than required at the locations specified in this Order shall be reported to the Central Valley Water Board. 5. The Responsible Party shall submit electronic copies of reports, documents and electronic data which conform to the requirements of the California Code of Regulations, Title 23, Division 3, Chapter 30, over the Internet to the State Water Board's Geographic Environmental Information Management System (Geotracker) database system at https://geotracker.waterboards.ca.gov. Electronic submittals shall comply with Geotracker standards and procedures as specified on the State Water Board's website.