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California R*,ional Water Quality0ontrol Board - g <br /> Central Valley Region <br /> � K r; <br /> Steven T.Butler,Chair <br /> Winston H.Hickox Gray Davis <br /> Secretaryfor Sacramento Main Office Governor <br /> Environmental Intemet Address: hnp://www.swrcb.cagov1—rwgcb5 <br /> Protection 3443 Routier Road,Suite A,Sacramento,California 95827-3003 <br /> Phone(916)255-3000•FAX(916)255-3015 <br /> ITEMS TO BE INCLUDED IN A SITE ASSESSMENT REPORT <br /> The outline below is a minimum requirement for items to be included and discussed in the text of all site <br /> assessment reports submitted to the Board. Other supporting data to be included in the report, either <br /> within the text of the report or in appendices, are italicized at the end of each section. All reports must be <br /> signed by a registered geologist, certified engineering geologist, or civil engineer registered or certified <br /> by the State of California. <br /> I. INTRODUCTION <br /> Summary of past investigations <br /> Purpose of the recent investigation <br /> Scope of the recent investigation <br /> Time period in which the recent investigation was carried out <br /> II. SUMMARY <br /> Number of wells drilled <br /> Results of soil and water analyses <br /> Ground water flow direction and gradient <br /> Possible source determination <br /> I1I. FIELD INVESTIGATION <br /> Well Construction <br /> Number and depth of wells drilled <br /> Date(s) wells drilled <br /> Description of drilling and construction <br /> Approximate locations relative to facility site(s) <br /> Supporting Data: <br /> A well construction diagram for each well should be included in the report which shows the <br /> following details: <br /> Total depth drilled <br /> Depth of open hole (same as total depth drilled if no caving occurs) <br /> Footage of hole collapsed <br /> Length of slotted casing installed <br /> Depth of bottom of casing <br /> Depth to top of sand pack <br /> Thickness of sand pack <br /> Depth to top of bentonite seal <br /> Thickness of bentonite seal <br /> Thickness of concrete grout <br /> Boring diameter <br /> Casing diameter <br /> Casing material <br /> Size of perforations <br /> Number of bags of sand <br /> California Environmental Protection Agency <br /> Qa Recycled Paper <br />