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PHYSICAL SETTING SOURCE RECORDS SEARCHED <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 EPA/State 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 /> Airport Landing Facilities: Private and public use landing facilities <br /> Source: Federal Aviation Administration,800-457-6656 <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 /> STREET AND ADDRESS INFORMATION <br /> ©2015 TomTom North America, Inc.All rights reserved. This material is proprietary and the subject of copyright protection <br /> and other intellectual property rights owned by or licensed to Tele Atlas North America, Inc. The use of this material is subject <br /> to the terms of a license agreement. You will be held liable for any unauthorized copying or disclosure of this material. <br /> TC6278333.2s Page PSGR-3 <br />