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4 <br /> i <br /> Table 1 <br /> R <br /> Revised Travel Time Evaluation' <br /> Nestle USA <br /> k <br /> 4343 E.Fremont Street <br /> Stockton,California <br /> Parameter units 2-Cl Tol 4-Cl Tol 1,3-DCB 1,2-DCB Toluene Eth (benzene m,p Xylenes PCE <br /> Concentration in soil z µglkg 1 41 100 200 3.4 21 36 113 <br /> Drinking Water Standard 3 9911 NA NA NA(130) 600(130) 150 700 1,750 5 <br /> i <br /> i <br /> Travel time years 1,865 1,865 5,230 3,970** 2,190 2,060 2,120 1,810 <br /> Parameter units PCE* 1,1,1-TCA* TCE* C13FMe C13FMe* Hydraulic Oil Mineral Spirits <br /> Concentration in soil 2 µg/kg 470 490 200 6 400 22,300,000 840,000 <br /> Drinking Water Standard 3 µg/I 5 200 5 150 150 NA NA <br /> Travel time4 years 1,780 950** 790** 1,865 970** 5,550 5,550 <br /> 1 Calculations use 0.06%organic carbon,and are based on modeling approach and asumptions described in Revised Remedial Action Plan,(EMCON,August,1995) <br /> `2'Valuee themaximm aetd or each compound.dete <br /> 3 Drinking water standards are Maximum containant Levels or Action Levels given in parenthases. The lowest value was used for estimates of travel time. <br /> 4 Times to reach the drinking water standard are indicated by**,otherwise the time to reach the maximum concentration at the water table is presented. i <br /> 2-Cl-Tol:2-chlorotoluene 1,3-DCB: 1,3-Dichlorobenzene C13FMe:trichlorofluoromethane(i.e.,Freon 11) <br /> 4-Cl-Tol 4-chlorotoluene 1,2-DCB: 1,2-Dichlorobenzene * Indicates data from Borings S-1 or S-2. <br /> m,p xylenes:meta and para xylenes 1,1,1-TCA: 1,1,1-Trichloroethene <br /> PCE:tetrachlorethene TCE:Trichloroethene <br />