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TABLES <br /> 5 <br /> t LEACHING POTENTIAL ANALYSIS FOR GASOLINE AND DIESEL <br /> USING TOTAL PETROLEUM HYDROCARBONS (TPH) AND <br /> BENZENE, TOLUENE, ETHYLBENZENE AND XYLENES MTEX) <br /> Score <br /> 10 pts if Score 9 pts Score 5 pts <br />' condition is if condition if condition <br /> Site Feature Score met Score is met Score is met <br /> Minimum depth to ground water >100 SI-100 5 25-5011 <br />' from the soil sample (feet) <br /> Fractures in subsurface (applies 10 None Unknown Present <br />' to foothills or mountain areas) <br /> Average Annual Precipitation <10 9 10-25 26-4012 <br /> ' (niches) <br /> Man-made conduits which 10 None Unknown Present <br /> increase vertical migration of <br /> leachate <br /> Unique site features recharge 10 None At least one More than <br /> one <br /> area, coarse soil, nearby wells, <br /> 1 etc 9 } 5 44— <br /> COLUMN TOTALS—TOTAL 30 + <br /> PTS <br /> RANGE OF TOTAL POINTS 49 pts or more 41-48 pts 40 pts or Iess <br /> MAXIlVICFM ALLOWABLE 1150150150 31311/1 NA13 <br /> ' B/T/X/E LEVELS (PPM) <br /> MAXIMUM GASOLINE 1,000 100 10 <br /> ' ALLOWABLE <br /> TPH LEVELS DIESEL 10,000 1,000 100 <br /> P <br /> 11 If depth is greater than 5 ft. and less than 25 ft., score 0 points. If depth is 5 ft or Iess, this table should not be used. <br /> ' 12 If precipitation is over 40 inches, score 0 points <br /> 13 Levels for BTXE are not applicable at a TPH concentration of 10 ppm (gasohne) or 100 ppm (diesel) <br /> RPT075 TA <br />