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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 />