Laserfiche WebLink
• <br /> California Regional Water Quality Control Board <br /> Central Valley Region <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 <br /> all site assessment reports submitted to the Board. Other supporting data to be included in the <br /> report, either within the text of the report or in appendices, are italicized at the end of each section. <br /> All reports must be signed by a registered geologist, certified engineering geologist, or civil <br /> engineer registered or certified 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 /> III. 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 /> Well elevation at top of casing <br /> Depth to ground water <br />