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PHYSICAL SETTING SOURCE RECORDS SEARCHED <br /> 1 <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 3 <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 compdatlon oof the EPA1State Resldenllal 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 i <br /> I <br /> OTHER JJ� <br /> Epicenters World earthquake epicenters,Richter 5 or greater i <br /> Source Department of Commerce,National Oceanic and Atmospheric Administration <br /> t <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 /> i <br /> i <br /> i <br /> € <br /> TC630504 2s Page A-23 <br />