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SOIL CONTAMINATION ASSESSMENT <br /> Lockeford Mini Mart <br /> _ MCA Project No. 10-90-104 <br /> Page 6 <br /> F Table 3 <br /> Leaching Potential Analysis for Gasoline <br /> SCORE SCORE SCORE <br /> 10 PTS 9 PTS 5 FTS <br /> SITE IF CON- IF CON- IF CON- <br /> FEATURE DITION DITION DITION <br /> - IS MET IS MET IS MET <br /> Minimum depth to <br /> Ground Water from the >100 X 51-100 25-501 <br /> - Soil Sample (feet) <br /> Fractures in subsurface <br /> (applies to foothills XNone Unknown Present <br /> or mountain areas) <br /> Average Annual <br /> Precipitation (inches) <10 X 10-25 26-40 <br /> r Man--made conduits which <br /> increase vertical XNone Unknown Present <br /> migration of leachate <br /> Unique site features: <br /> recharge area, coarse XNone At least More than <br /> soil, nearby wells, etc. one one <br /> COLUMN TOTALS 30 18 0 = 48 POINTS <br /> RANGE OF TOTAL POINTS 49pts or more 41-48 pts 40 pts or less <br /> MAXIMUM ALLOWABLE 1/50/50/50 .3/.3/1/1 NA2 <br /> BTXE LEVELS (ppm) <br /> MAXIMUM ALLOWABLE <br /> -.._..- -------TPH--LEVELS- (pPm) - <br /> `-� 1If depth > 5 ft. and < 25 ft., score 0 points. <br /> 2Levels for BTXE are not applicable at a TPH concentration of 10 <br /> �. ppm. <br />