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.......... <br /> -XX <br /> ii <br /> JiN.qSOUR E G i'. <br /> R �YS .0 ........ <br /> x <br /> TOPOGRAPHIC INFORMATION <br /> USGS 7.5'Digital E <br /> Ilevation Model(DEM} <br /> Source: United States Geologic Survey <br /> EDR acquired thg USGS 7.5'Digital Elevation Model in 2002.7.5-Minute DEMs correspond to the USGS <br /> 1:24,000-and 11:I�5,000-scale topographic quadrangle maps. <br /> HYDROLOGIC INFORMATION !l� ' <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 2002 from the U.S.Fish and Wildlife Service. <br /> :j <br /> HYDROGEOLOGIC:INFORMATION <br /> AQUIFLOWR 106"rmation System <br /> J <br /> Source: EDR proprietary database of groundwater flow information :1 <br /> EDR has developed the AQUIFLOW Information System(AIS)to provide data on the general direction of groundwater ii <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,hydrogeoiogically 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.Sch'ruben,R.E.Arndt and W.J.Bawiec,Geology of the Conterminous U.S.at 1:2,500,000 Scale-A digital <br /> representation ofithe 1974 P.B.King and H.M.Beikman Map,USGS Digital Data Series DDS-11 (1994). <br /> STATSGO: State Soil Geographic Database <br /> Source: Departirient of Agriculture,Natural Resources Conservation Services <br /> The U.S.Department of Agriculture's(USDA)Natural Resources Conservation Service(NRCS)leads the national <br /> Conservation Soil Survey(NCSS)and is responsible for collecting,storing,maintaining and distributing soil <br /> survey informatioh for privately owned lands in the United States.A soil map in a soil survey is a representation <br /> of soil patterns inia landscape.Soil maps for STATSGO are compiled by generalizing more detailed(SSURGO) <br /> soil 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: 202-564-3750 <br /> Public Water Sys I iem 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(Jays annually. PWSs provide water from wells,rivers and other sources. <br /> iw PWS ENF: Public'Water Systems Violation and Enforcement Data <br /> Source: EPA/O#Ice of Drinking Water <br /> Telephone: 202-564-3750 <br /> Violation and Enforcement data for Public Water Systems from the Safe Drinking Water Information System(SDWIS)after <br /> August 1995.JiPnor to August 1995,the data came from the Federal Reporting Data System(FRDS). <br /> USGS Water Wells I: USGS National Water Inventory System(NWIS) <br /> This database contains descriptive information an sites where the USGS collects or has collected data on surface <br /> water and/or groundwater.The groundwater data includes information an wells,springs,and other sources of groundwater. <br /> it <br /> J TC1074383.4s Page A-14 <br />