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i <br /> Mr. H. c. Winsor. <br /> September 16. 1987 <br /> Page 5 <br /> Benzene concentrations are contoured an ,Figure 3. <br /> 1kIt appears that t ' <br /> - 5 the plume has migrated towards Well 12. Toluene concentrations . <br /> exceeded the DHS action level for drinking wat r in 'Tells W-1. W�2, <br /> and W-3. Xylene concentrations are above the DHS action level for. i <br /> drinking water in wells W-2 and W-3. No ac ion levels have been . <br /> established for total fuel hydrocarbons. ;+• <br /> f41 <br /> r.I Table 3.. Analytical Results-•-Soil Simples 4 <br /> N <br /> Concentrations <br /> Concentrations <br /> in ug/kg in mg/kg I <br /> Total fuel <br /> 1 <br /> f Benzene Toluene Xylene hydrocarbons <br /> :—b <br /> Designated level 0.7a 10011 620 ' <br /> ? v <br /> M JD <br /> W-411 <br /> W-5J <br /> W-61 <br /> B-1A , <br /> B-lD � 3,500 63,000 164,000 ]l,400 <br /> B-1G <br /> LAI 2,700 <br /> 2,700 4,700 22,900 133- <br /> 1 <br /> B_1T 5 1,800 7,700 53,400. �0" <br /> 5 6 48 <br /> B-^� �a, 14 <br /> 44 _ v 5 <br /> B-20. t 6 13 50 <br /> B-2G `A <br /> n-21 4.200 37,000 30,000 30639 if 6D-0 <br /> E <br /> aDeslgnated level in a solid for the protection orgroundwater quality ; <br /> recowendNl by t1�e Regianal Board, September 1986, mg/kg- <br /> No <br /> g g•No standard in established for total fuel hydrocarbons. <br /> detectable. <br /> ., I <br />