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24 May 2004 AGE-NC Project No.04-1162 Page 12 of 17 EDR also conducted a search of state databases to identify ground water wells within%z 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 subject property are of potential environmental concern to the subject property. Sites Within a l/z-mile Radius:Active listed sites located within a'h-mile search distance from the subject property on the remaining databases(excluding CAL-SITES,ERNS and CHMIRS)are also ofpotential concern,although hydrocarbon-impacted sites more than away are generally not likely to impact the subject property except under unusual circumstances. Sites Within a '/e-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'/o 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 CHMIRS databases are lists of unauthorized releases of oils and hazardous substances,typically from spills,many minor in nature. Only significant spills or spills on adjacent properties are noted. 6.3. SUMMARY OF DATABASE SEARCH Search Radius: % mile CORTESE Database: The CORTESE database identifies known hazardous waste and substance sites; most sites are also LUST sites. Except for unusual site conditions or large releases of Advanced GwEnvironmental,Inc.