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PHYSICAL SETTING SOURCE RECORDS SEARCHED <br /> HYDROLOGIC INFORMATION <br /> Flood Zone Data: This data,available in select counties across the country,was obtained by EDR in 1999 from the Federal <br /> Emergency Management Agency(FEMA) Data depicts 100-year and 500-year flood zones as defined by FEMA. <br /> NWI: National Wetlands Inventory. This data,available in select counties across the country,was obtained by EDR <br /> in 1999 from the U.S. Fish and Wildlife Service. <br /> HYDROGEOLOGIC INFORMATION <br /> AQUIFLOWR Information System <br /> Source. EDR proprietary database of groundwater flow information <br /> EDR has developed the AQUIFLOW Information System(AIS)to provide data on the general direction of groundwater <br /> flow at specific points. EDR has reviewed reports submitted to regulatory authorities at select sites and has <br /> extracted the date of the report,hydrogeologically determined groundwater flow direction and depth to water table <br /> information. <br /> GEOLOGIC INFORMATION <br /> Geologic Age and Rock Stratigraphic Unit <br /> Source:P.G. Schruben,R.E.Arndt and W.J. Bawiec,Geology of the Conterminous U.S.at 1:2,500,000 Scale-A digital <br /> representation of the 1974 P.B.King and H.M.Beikman Map,USGS Digital Data Series DDS-11 (1994). <br /> STATSGO: State Soil Geographic Database <br /> The U S. Department of Agriculture's(USDA)Soil Conservation Service(SCS)leads the national Cooperative <br /> Soil Survey(NCSS)and is responsible for collecting,storing,maintaining and distributing soil survey <br /> information for privately owned lands in the United States.A soil map in a soil survey is a representation of <br /> soil patterns in a landscape. Soil maps for STATSGO are compiled by generalizing more detailed(SSURGO)soil <br /> survey maps. <br /> ADDITIONAL ENVIRONMENTAL RECORD SOURCES <br /> FEDERAL WATER WELLS <br /> PWS: Public Water Systems <br /> Source: EPA/Office of Drinking Water <br /> Telephone: 202-260-2805 <br /> Public Water System data from the Federal Reporting Data System. A PWS is any water system which provides water to at <br /> least 25 people for at least 60 days annually. PWSs provide water from wells,rivers and other sources. <br /> PWS ENF: Public Water Systems Violation and Enforcement Data <br /> Source: EPA/Office of Drinking Water <br /> Telephone. 202-260-2805 <br /> Violation and Enforcement data for Public Water Systems from the Safe Drinking Water Information System(SDWIS)after <br /> August 1995 Prior to August 1995,the data came from the Federal Reporting Data System(FRDS). <br /> USGS Water Wells: In November 1971 the United States Geological Survey(USGS)implemented a national water resource <br /> information tracking system. This database contains descriptive information on sites where the USGS collects or has collected <br /> data on surface water and/or groundwater. The groundwater data includes information on more than 900,000 wells,springs,and <br /> other sources of groundwater. <br /> TC681902.3s Page A-10 <br />