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., 23 September 2005 AGE-NC Project No. 05-1330 Page 13 of 18 EDR PROPRIETARY HISTORICAL DATABASES COAL GAS Former Manufactured Gas(Coal Gas) Sites y BROWNSFIELDS DATABASES f \ US A Listing of Brownfields Sites BROWNFIELDS VCP Voluntary Cleanup Program Properties EDR also conducted a search of state databases to identify ground water wells within 'h mile of the subject property. Sites with recognized environmental conditions that surround the subject property are typically of concern to the subject property when they are located in an upgradient direction from the subject property with respect to the ground water flow direction.Typically,ground water would represent the migration medium for contaminants over significant distances.Sites located in equi-gradient or down- gradient directions from the subject property are less likely to impact the subject property. Sites Within a 1-mile Radius: The NPL database identifies sites for priority cleanup under the Federal Superfund Program.The BEP and AWP databases identify known contaminated sites targeted for cleanup under the direction of the State of California. Active listed sites on the NPL and BEP/AWP databases located within a 1-mile search distance from the subj ect property are ofpotential environmental concern to the subject property. Sites Within a%-mile Radius: Active listed sites located within a Y2-mile search distance from the subject property on the remaining databases(excluding CAL-SITES,ERNS and CHMIRS)are also of potential concern,although hydrocarbon-impacted sites more than ''/,mile away are generally not likely to impact the subject property except under unusual circumstances. Sites Within a '/.-mile Radius: Sites with permits to operate underground storage tanks, handle/store/transfer hazardous materials and generate hazardous waste are listed on the database report, however, it does not necessarily imply that these sites have impacted the environment. The total number of sites with permits within a''/<-mile search distance from the subject property is noted with emphasis on the immediately adjacent permitted sites. Adjacent Properties: Sites on the CAL-SITES database were typically listed following a visual observation made by Cal-EPA during a drive-by survey and do not necessarily pose an environmental concern;upgradient sites within%2-mile and adjacent CAL-SITES listings are noted.The ERNS and `— Advanced GeoEnvironmental,Inc. i