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it *_0 <br />f <br />Linda S. Adams <br />Secretary for <br />Environmental <br />Protection <br />California fiteciional Water Quality Coatrol Board <br />Central Valley Region <br />Katherine Hart, Chair <br />11020 Sun Center Drive #200, Rancho Cordova, California 95670-6114 <br />Phone (916) 464-3291 • FAX (916) 464-4645 <br />http://www.waterboards.ca.gov/centraIvaIley <br />REQUIREMENTSATTACHMENT A <br />• MONITORING <br />• INSTALLATION REPORTS <br />0 <br />Arnold <br />Schwarzenegger <br />Governor <br />The Monitoring Well Installation Report shall be a stand-alone document that includes, but is <br />not limited to, the information listed below. <br />A. Well Construction Description, Site Map, Logs, Diagram <br />1. Site name and location <br />2. Purpose/function of the well(s) <br />3. Number and depth of wells drilled <br />4. Date(s) wells drilled and completed <br />5. Description of the drilling and well construction <br />6. Description of how the depth/location of the screen interval was determined by the <br />on-site geologist <br />7. 11x17" hard copy and electronic PDF file with the facility, site features, new and <br />existing monitoring wells, abandoned monitoring wells, buildings, storage ponds, <br />waste management units, and similar information <br />8. Boring logs with lithology and moisture <br />9. Well construction diagram for each well that must contain the following details: <br />a. Name of drilling contractor, driller, and geologist <br />b. Monitoring well number, date drilled, and location <br />C. Total depth drilled <br />d. Depth of open hole (same as total depth drilled if no caving occurs) <br />e. Method and materials of grouting excess borehole <br />f. Footage of hole collapsed <br />g. Length of slotted casing installed <br />h. Depth of bottom of casing <br />i. Depth to top of sand pack <br />j. Grain size and thickness of sand pack <br />k. Depth to top of bentonite seal <br />I. Thickness of bentonite seal <br />M. Thickness of concrete grout <br />n. Boring diameter <br />o. _ Casing diameter <br />p. Casing and screen material <br />q. Size of perforations <br />r. Elevations of top and bottom of screened interval <br />S. Elevation of well at top of casing <br />t. Stabilized depth to groundwater and date of water level measurements <br />California Environmental Protection Agency <br />Crecycled Paper <br />