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02 August 2007 <br /> AGE-NC Project No. 07-1524. L s <br /> Page 3 of 4 <br /> • Total petroleum hydrocarbons quantified as gasoline (TPH-g) in accordance with EPA <br /> Method 8015M; <br /> • Purgeable aromatics (benzene, toluene, ethylbenzene and xylenes: BTEX), in accordance <br /> with EPA Method 8260B; and , <br /> • Fuel additives,including di-isopropyl ether(DIPS,),ethyl tertiary-butyl ether(ETBE),methyl <br /> tertiary-butyl ether (MTBE), tertiary-amyl methyl ether (TAME), tertiary-butyl alcohol <br /> l`2-DCA <br /> dance with <br /> 4 (TBA), 1,2-dibromoethane{EDB},and 1,2-dicholoroethane( ) in accor <br /> EPA Method 8260B. .a. -�' ` `' <br /> EQUIPMENT DECONTAMINATION <br /> Prior to sample collection; Geoprobe soil sampling equipment was thoroughly rinsed with clean <br /> water after being washed with a solution of Alconox.Geoprobe rods were thoroughly cleaned prior <br /> I` to soil probe boring advancement. 4., <br /> 41, , . <br /> FINDINGS <br /> Utilizing the OVM organic vapors were detected in soil samples'B1-10; B1-15,,and Bl-20 at <br />{ concentrations of 80 parts per million'(ppm), 1ppm, and Ippm, respectively. Strong petroleum <br /> hydrocarbon-like odors were noted in soil sample'B 1-10.Avery slight petroleum hydrocarbon-I ike <br /> odor was noted in sample B 1-15. <br /> Two soiI samples(B1-10 and B1-15)and one grab ground water sample(B1-W)were submitted to <br /> CTEL for analysis as noted above. TPH-g, and BTEX compounds were detected in soil sample <br /> B l-10 at concentrations of 560 milligrams/kilogram(mg/kg); 0.030 mg/kg,0.50 mg/kg, 8.8 mg/kg, <br /> and 43 mg/kg, respectively. . <br /> TPH-g was detected in the grab ground water sample B-1W at a concentration of <br /> 2,200 micrograms/liter(µg/i)and BTEX compounds were detected in the grab ground water sample <br /> at concentrations of 3.0 µg/1, 9.3 gg/1, 240 µg/l, and 710 }xg/l, respectively. <br /> 1 No- other target analytes were detected in the analyzed soil or grab ground water samples. The <br />{ analytical results are summarized in Tables 1 and 2.A copy of the laboratory report(CTEL Project <br /> No. CT214-0707176) is included in Appendix A. <br /> i <br /> 1 is Advanced GeoEnvironmental,Inc. <br /> 1 <br /> r <br /> F <br /> 4�4 <br /> E - <br />