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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 2,3,5 and 6 <br /> Source Department of Conservation <br /> Telephone 916-323-1779 <br /> ' RADON <br /> Area Radon Information <br /> Source USGS <br /> ' Telephone 703-356-4020 <br /> The National Radon Database has been developed by the U S Environmental Protection Agency <br /> (USEPA)and is a compilation of the EPAIState Residential Radon Survey and the National Residential Radon Survey <br /> The study covers the years 1986-1992 Where necessary data has been supplemented by information collected at <br /> private sources such as universities and research institutions <br /> ' EPA Radon Zones <br /> Source EPA <br /> Telephone 703-356-4020 <br /> ' Sections 307&309 of IRAA directed EPA to list and identify areas of U S with the potential for elevated indoor <br /> 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 /> 1 <br /> TC0961230 3s Page A-24 <br />