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California Regional Water Quality control Board - <br /> (\- Central Valley Region $' <br /> v Robert Schneider,Chair Gray Davis <br /> Winston H.Hickos Governor <br /> Secretary for Sacramento Main Office <br /> Environmental Internet Address: hitp:Nwww.swreb.ea.gov/- gcb5 <br /> Protection 3443 Routier Road,Suite A,Sacramento,California 95927-3003 <br /> Phone(916)255.3000•FAX(916)255-3015 <br /> ORDER NO. <br /> ATTACHMENT D <br /> ITEMS TO BE INCLUDED IN A MONITORING WELL/LYSIMETER INSTALLATION <br /> WORKPLAN AND INSTALLATION REPORT OF RESULTS <br /> Prior to installation of groundwater monitoring wells or lysimeters, the Discharger shall submit a <br /> workplan containing the minimum listed information. Monitoring devices may be installed after staff <br /> approve the workplan. Upon installation of the monitoring devices,the Discharger shall submit a report <br /> of results, as described below. All workplans and reports must be signed by a registered geologist, <br /> certified engineering geologist, or civil engineer registered or certified by the State of California. <br /> Monitoring Well/Pan Lysimeter Installation Workplan <br /> A. General Information: <br /> Monitoring device locations and rationale <br /> Survey details <br /> Equipment decontamination procedures <br /> Health and safety plan <br /> Topographic map showing any existing monitoring wells,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/Pan Lysimeter Design: <br /> Monitoring Wells <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 /> Pan Lysimeters <br /> Excavation technique <br /> Lysimeter construction materials <br /> Backfill materials , , <br /> Target vertical permeability value <br /> California Environmental Protection Agency <br /> p_a Recycled Paper <br /> The energy challenge facing California is real. Every Californian needs to take immediate action to reduce energy consumption. <br /> For a list of simple ways you can reduce demand and cut your energy costs,see our Web-site at bttp://www.swmb.ca.gov/mgcb5 <br />