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y <br /> California Regional Water Qualitntrol Board <br /> Central Valley Region <br /> Robert Schneider Chair <br /> Terry Tamminen Arnold Schwarzenegger <br /> Secretary for Sacramento Main Office Governor <br /> Environmental <br /> Internet Address: http://w .swrcb.ca.gov/mgcbS <br /> Protection 11020 Sun Center Drive#200 Rancho Cordova,CA 95670-6114 <br /> Phone(916)464-3291 <br /> ATTACHMENT A <br /> ITEMS TO BE INCLUDED IN A <br /> MONITORING WELL INSTALLATION WORKPLAN 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 /> SECTION 1 -Monitoring Well Installation Workplan <br /> A. General Information: <br /> Purpose of well installation project <br /> Copies of County Well Construction Permits (to be submitted after workplan review) <br /> Monitoring well locations and rationale <br /> Survey details <br /> Equipment decontamination procedures <br /> Health and safety plan <br /> Topographic map showing any existing wells,proposed wells,waste handling facilities, <br /> utilities, and other major physical and man-made features. <br /> B. Drilling Details: <br /> Describe drilling technique <br /> Sampling intervals, and logging methods <br /> Cuttings storage and disposal <br /> C. Monitoring Well Design: <br /> Casing diameter and centralizer spacing (if needed) <br /> Borehole diameter <br /> Depth of surface seal <br /> Well construction materials <br /> Diagram of proposed well construction details <br /> Type of well cap, bottom cap either screw on or secured with stainless steel screws <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 /> California Environmental Protection Agency <br /> Ps s Recycled Paper <br />