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Table 2 Analytical Results of the Samples Analyzed by Advanced GeoEnvironmental,Inc. 5ampte ....5ampie t7escr Jori a of nei Benzene €th i X"" ...... lnes hATBE' P Ttlluene:...:.. .y.... .. 614-15' Soil Sample ND" NO NO NO NO NO NO at 14 feet below surface 814-20' Soil Sample 1.4 NO 0.005 NO 0.014 NO 2.9 at 20 feet below surface IDIOM ppm m B15-10' Soil Sample 240 NO 0.23 0.37 1.2 NO 1,700 at 10 feet below surface ppm ppm m ppm ppm 1315-15' Soil Sample NO NO NO NO NO NO NO at 15 feet below surface B15-20' Soil Sample 84 NO 0.18 0.16 0.42,. NO 680 at 20 feet below surface ppm ppm ppm ppm m B16-15' Soil Sample NO NO NO NO NO NO NO at 15 feet below surface B16-20' Soil Sample NO NO NO NO NO NO NO at 20 feet below surface B14--W Groundwater Sample 2,400 NO 1.1 0.94 5.3 NO 5,400 .Ppb"'• ppb. ppb ppb ppb B16-W Groundwater Sample 130 NO NO NO 0:97 NO 990 --] b b b 'MTBE =Methyl-t-butyl ether "ND = Non-detect or below the laboratory detection limit ppm= Part per million ""ppb= Part per billion j Based on the above.analytical findings and the field observations,Accutite presents the following conclusions and recommendations: i CONCLUSIONS • Boring B-14 is located within 15 feet from the existing water wells onsite (Figure 1). Soil and Ground water in this boring are impacted,with diesel and gasoline. i RECOMMENDATIONS • Accutite recommends proper closure and grouting in place of the decommissioned water well at this site as soon as possible. A well closure permit is needed before performing the actual well closure. • Accutite recommends sampling and analysis of the groundwater from the operational water well onsite. The analysis of the groundwater should include gasoline; diesel; benzene; toluene; ethyl benzene; xylenes; MTBE; and total lead (Pb). I, i I 111t Zkrr ooc REC:G�ED pwpEW -