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r ��■ir W = w = = = ■■r r■r <br /> Table 5 <br /> MODELED CHEMICAL CONCENTRATIONS <br /> PACIFIC BELL <br /> IT PROJECT NO 190916 9 <br /> CAL EPA After 5 years After 10 years After 20 years After 50 years <br /> Standard(ppb) Total Mass Concentration Total Mass Concentration Total Mass Concentration Total Mass Concentration <br /> Chemicals(Location) (91yr) (ppb) (g/yr) (ppb) (glyr) (ppb) (glyr) (ppb) <br /> Xylenes(Location 1) 1 75E+03 3 33E-06 6 11 E-06 4 51 E-06 8 2812-05 7 25E-06 1 33E-04 1 50E-05 2 75E-04 <br /> Ethylbenzene(Locaton 1) 6 80E+02 2 3812-06 4 37E-06 318E-06 5 83E-05 4 93E-06 9 05E-05 8 87E-06 1 63E-04 <br /> SNARLS(ppb) <br /> Diesel(Location 1) 100(10 days) 3 37E-01 6 18E+00 4 47E-01 8 20E+00 7 51 E-01 1 38E+01 2 40E+00 4 40E+01 <br /> Diesel(Location 11) 100(10 days) 6 91 E-03 1 27E-01 9 33E-03 1 71 E-01 1 48E-02 2 72E-01 3 21 E-02 589 E-01 <br /> Note <br /> Location I = Basement Area <br /> Location II = Sidewalk Area <br /> No California MCL currently exists for diesel <br /> The Health Advisories or Suggested No-Adverse-Response Levels (SNARLS) 1s 100 ppb for exposure of 10 days or less <br /> I <br /> MV04-06-95/UST/95-0089 <br /> I <br />