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- 'California Regional Water Quality Control Board <br /> Central Valley Region :7 <br /> Winston H. liickos Steven T. Butler, Chair <br /> Secreraryfor Gmy Davis <br /> Sacramento Drain Office Governor <br /> Ertviranmcntnl Internet Address: http://ww .sw�.sb.ca.gov/-�qcb5 <br /> Prorecrion 3443 Routier Road,Suite A,Sacmmrnto,California 9592'-3003 <br /> Phone(916)255-3000•FAX(916)255-3075 <br /> ATTACHMENT C <br /> ITEMS TO BE INCLUDED U\ A <br /> MONITORING WELL INSTALLATION %A-ORKPLAN AND A <br /> MONITORING WELL INSTALLATION REPORT OF RESULTS <br /> Prior to installation of groundwater monitoring wells, the Discharger shall submit a workplan containing <br /> the minimum listed information. Wells may be installed after staff approve the workplan. Upon <br /> installation of the monitoring wells, the Discharger shall submit a report of results, as described below. <br /> All workplans and reports must be signed by a registered geologist_ certified engineering geologist, or <br /> civil engineer registered or certified by the State of California. <br /> Monitoring Well Installation Workplan <br /> A. General Information: <br /> Monitoring well locations and rationale <br /> Survey details <br /> Equipment decontamination procedures <br /> Health and safety plan <br /> Topographic map showing any existing monitoring we1L<, proposed wells, waste handling <br /> facilities, utilities, and other major physical and man-made features. <br /> B. Drilling Details: describe drilling and logging methods <br /> C. Monitoring Well Design: <br /> Casing diameter <br /> Borehole diameter <br /> Depth of surface seal <br /> Well construction materials <br /> Diagram of well construction <br /> Type of well cap <br /> Size of perforations and rationale <br /> Grain size of sand pack and rationale <br /> Thickness and position of bentonite seal and sand pack <br /> Depth of well, length and position of perforated interval <br /> D. Well Development: <br /> Method of development to be used <br /> Method of determining when development is complete <br /> Method of development water disposal <br /> E. Surveying Details: discuss how each well will be surveyed to a common reference point <br /> California Environmental Protection Agency <br /> -. CVrp.e Fl1eSORMY��,y-rp��� <br /> Recycled Paoer <br />