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M- 1 <br /> c <br /> Rlk <br /> Greyhound Terminal/Garage, Stockton, California <br /> -- Leaching Potential Analysis for Diesel <br /> Using Total Petroleum Hy;,rocarbon(TPH) <br /> and Benzene,Toluenz,Xylenes and Ethylbenzene(BTX&E) <br /> Score 10 Score 9 Score 5 <br /> _ Site Score points If Score points If Score points if - <br /> Feature condition cond€tfcn condition <br /> Is met Is met Is met <br /> Minimum Depth to <br /> Groundwater from 0 >100 0 51-100 0 25-50(a) <br /> the Soil Sample ft <br /> Fractures In subsurface <br /> (applies to foothills or 10 None 0 Unknown 0 Present <br /> _ mountain areas <br /> Average Annual <br /> Precipitation (inches) 0 <10 9 10.25 0 26-40(b) <br /> Man-made conduits <br /> which Increase vertical 10 None 0 Unknown 0 Present <br /> mi ration of leachate <br /> Unique site features: At least More than <br /> recharge area, coarse 10 None 0 one 0 one <br /> soil,nearb wells,etc. <br /> Total points 30 + 9 + 0 — 39 <br /> Range of total o€nts149 pints or more 41 to 4$points 40 points or less <br /> Maximum allowable 1/50150/50 0.3/0.3/1/1 NA(c) <br /> SIT/EIX levels (n <br /> Maxim',um allowable 10,000 1000 100 <br /> H love m <br /> (a) if depth Is between 5 and 25 feat score 0 points;if it Is less than 5 feet, <br /> p this table should not be used. <br /> (b) If precipitation is over 40 Inches,score 0 points. <br /> (c) Letiiis for BTX&E ale not applicable at a TPFI concentration of 100 ppm. <br /> gMhrd5.wgt <br /> WOW <br /> OEMn o i� <br />