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PHYSICAL SETTING SOURCE RECORDS SEARCHED <br /> STATE RECORDS <br /> California Drinking Water Quality Database <br /> Source. Department of Health Services <br /> Telephone: 916-324-2319 <br /> The database includes all drinking water compliance and special studies monitoring for the state of California <br /> since 1984. It consists of over 3.200,000 individual analyses along with well and water system information. <br /> California Oil and Gas Well Locations for District 2 and 6 <br /> Source: Department of Conservation <br /> Telephone: 916-323-1779 <br /> RADON <br /> Area Radon Information: The National Radon Database has been developed by the U.S. Environmental Protection Agency <br /> (USEPA)and is a compilation of the EPA/State Residential Radon Survey and the National Residential Radon Survey. The <br /> study covers the years 1986- 1992. Where necessary data has been supplemented by information collected at private sources <br /> such as universities and research institutions. <br /> EPA Radon Zones: Sections 307&309 of IRAA directed EPA to list and identify areas of U.S.with the potential for <br /> elevated indoor radon levels. <br /> OTHER <br /> Epicenters: World earthquake epicenters,Richter 5 or greater <br /> Source: Department of Commerce, National Oceanic and Atmospheric Administration <br /> California Earthquake Fault Lines: The fault lines displayed on EDR's Topographic map are digitized quaternary fault lines, <br /> prepared in 1975 by the United State Geological Survey. Additional information(also from 1975)regarding activity at specific fault <br /> lines comes from California's Preliminary Fault Activity Map prepared by the California Division of Mines and Geology. <br /> TC681902 3s Page A-11 <br />